Data Sheets - Skyworks Solutions, Inc.

DATA SHEET
SKY13455-31: 0.4 to 2.7 GHz SP12T Switch
with MIPI RFFE Interface
Applications
 2G/3G/4G multimode cellular handsets (LTE, UMTS, CDMA2000,
EDGE, GSM)
 Embedded data cards
TRX1
TRX2
TRX3
Features
TRX4
ANT
TRX7
TRX8 (RX1)
TRX9 (RX2)
TRX10 (RX3)
HTX
LTX
VIO
Decoder
SDATA
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
TRX6
SCLK
 Small MCM (22-pin, 3.2 x 2.5 x 0.8 mm) package (MSL3,
260 C per JEDEC J-STD-020)
TRX5
VDD
 Broadband frequency range: 0.4 to 2.7 GHz
 Low insertion loss
 High isolation and linearity
 Integrated GSM harmonic filter
 Integrated, programmable MIPI interface
 Ten TRX ports, one GSM low band transmit port, and one GSM
high band transmit port
S2926
Figure 1. SKY13455-31 Block Diagram
Description
The SKY13455-31 is a Single-Pole, Twelve-Throw (SP12T)
antenna switch with integrated GSM transmit harmonic filter. The
SKY13455-31 maintains a high linearity, high isolation, and low
insertion loss performance, which makes it an ideal choice for
UMTS, CDMA2000, EDGE, GSM, and LTE applications.
The design features two dedicated GSM transmit ports. The
remaining ten ports are suitable for WCDMA transmit/receive and
GSM receive functions. Three transmit ports (TRX1, TRX2, and
TRX4) have been specifically designed to provide optimal LTE
Band 13 performance. The switch exhibits an excellent triple beat
ratio and 2nd/3rd order modulation distortion performance.
Switching is controlled by an integrated MIPI interface. Depending
on the logic applied to the decoder, the antenna pin is connected
to one of 12 switched RF ports using a low insertion loss path,
while the paths between the antenna pin and the other RF pins
are in a high isolation state. No external DC blocking capacitors
are required on the RF paths.
The SKY13455-31 is manufactured in a compact,
3.2 x 2.5 x 0.8 mm, 22-pin surface mount Multi-Chip Module
(MCM) package.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202952B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 23, 2013
1
TRX5
TRX6
TRX7
GND
15
14
13
12
18
10
GND
VIO
19
9
LTX
SDATA
20
8
HTX
SCLK
21
7
GND
TRX3
22
6
TRX8 (RX1)
1
2
3
4
5
TRX9 (RX2)
ANT
GND
11
TRX10 (RX3)
VDD
16
TRX1
17
TRX2
GND
TRX4
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
S2927
Figure 2. SKY13455-31 Pinout – 22-Pin MCM
(Top View)
Table 1. SKY13455-31 Signal Descriptions
Pin #
Name
Description
Pin #
Name
Description
1
TRX2
RF input/output port 2 optimzed for LTE
Band 13 (704 to 787 MHz)
12
GND
Ground
2
TRX1
RF input/output port 1 optimized for LTE
Band 13 (704 to 787 MHz)
13
TRX7
RF input/output port 7
3
TRX10 (RX3)
RF input/output port 10 (receive 3)
14
TRX6
RF input/output port 6
4
GND
Ground
15
TRX5
RF input/output port 5
5
TRX9 (RX2)
RF input/output port 9 (receive 2)
16
TRX4
RF input/output port 4 optimized for LTE
Band 13 (704 to 787 MHz)
6
TRX8 (RX1)
RF input/output port 8 (receive 1)
17
GND
Ground
7
GND
Ground
18
VDD
DC power supply
8
HTX
GSM high band transmit RF input port with
integrated harmonic filter
19
VIO
Interface supply voltage
9
LTX
GSM low band transmit RF input port with
integrated harmonic filter
20
SDATA
Data
10
GND
Ground
21
SCLK
Clock
11
ANT
Antenna RF port
22
TRX3
RF input/output port 3
Note:
Bottom ground paddles must be connected to ground.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 23, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202952B
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 2. SKY13455-31 Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
Units
2.5
5.0
V
2
V
+36
+34
+31
dBm
dBm
dBm
Power supply
VDD
Digital control signal
VIO
RF input power:
LTX pin
HTX pin
All TRXx pins
PIN
Storage temperature
TSTG
–55
+150
C
Operating temperature
TOP
–30
+90
C
Note:
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY13455-31 are provided
in Table 2. Electrical specifications are provided in Tables 3, 4,
and 5. Figure 3 shows a timing diagram for the SKY13455-31.
IMD2 and IMD3 test conditions for various frequencies are listed
in Tables 6 and 7, respectively.
Figure 4 illustrates the test setup used to measure
intermodulation products. This industry standardized test is used
to simulate the WCDMA Band 1 linearity of the antenna switch. A
+20 dBm Continuous Wave (CW) signal, fFUND, is sequentially
applied to the TRX1 through TRX10 ports, while a –15 dBm CW
blocker signal, fBLK, is applied to the ANT port.
The resulting 3rd Order Intermodulation Distortion (IMD3), fRX, is
measured over all phases of fFUND. The SKY13455-31 exhibits
exceptional performance for all TRXx ports.
Table 8 describes the register content and programming
read/write sequences. Refer to the MIPI Alliance Specification for
RF Front-End Control Interface (RFFE), v1.10 (26 July 2011) for
additional information on MIPI programming sequences and MIPI
bus specifications.
Figures 5 and 6 provide the timing diagrams for register write
commands and read commands, respectively.
Table 9 provides the Register_0 logic. Table 10 describes the
register parameters and bit values.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202952B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 23, 2013
3
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 3. SKY13455-31 Electrical Specifications (Note 1) (1 of 4)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
RF Specifications
Insertion loss:
IL
TXLB
824 to 915 MHz, +35 dBm
1.25
1.45
dB
TXHB
1710 to 1910 MHz, +33 dBm
1.15
1.35
dB
TRX1/2/4
704 to 787 MHz, +25 dBm
0.55
0.70
dB
TRX3/5 to 10
704 to 787 MHz, +25 dBm
0.65
0.80
dB
TRX1/2/3
824 to 960 MHz, +25 dBm
0.60
0.75
dB
TRX4/5/6/7
824 to 960 MHz, +25 dBm
0.70
0.85
dB
TRX8/9/10
824 to 960 MHz, +25 dBm
0.60
0.75
dB
TRX1/2/3
1710 to 1990 Mhz, +25 dBm
0.70
0.85
dB
TRX4/5/6/7
1710 to 1990 Mhz, +25 dBm
0.70
0.85
dB
TRX8/9/10
1710 to 1990 Mhz, +25 dBm
0.70
0.85
dB
TRX1/2/3
2110 to 2170 MHz, +25 dBm
0.70
0.85
dB
TRX4/5/6/7
2110 to 2170 MHz, +25 dBm
0.70
0.85
dB
TRX8,9,10
2110 to 2170 MHz, +25 dBm
0.70
0.85
dB
TRX1/2/3
2300 to 2690 MHz, +25 dBm
0.75
0.90
dB
TRX4/5/6
2300 to 2690 MHz, +25 dBm
0.95
1.10
dB
TRX7
2300 to 2690 MHz, +25 dBm
1.10
1.30
dB
TRX8/9/10
2300 to 2690 MHz, +25 dBm
0.75
0.95
dB
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 23, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202952B
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 3. SKY13455-31 Electrical Specifications (Note 1) (2 of 4)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
RF Specifications (continued)
Return loss
VSWR
TRXx ports, 0.4 to 2.2 GHz
14
18
dB
GSM harmonic attenuation
H2LB
Transmit low band to
ANT, 2fo 1648 to
1830 MHz
25
28
dB
H3LB
Transmit low band to
ANT, 3fo 2472 to
2745 MHz
25
28
dB
H4LB
Transmit low band to
ANT, 4fo 3296 to
3660 MHz
25
dB
H2HB
Transmit high band to
ANT, 2fo 3420 to
3820 MHz
25
dB
H3HB
Transmit high band to
ANT, 3fo 5130 to
5730 MHz
28
dB
Large signal harmonics, transmit GSM
low band
Large signal harmonics, transmit GSM
high band
25
Transmit GSM low band,
PIN <+34.5 dBm,
VSWR = 1:1
–54
–45
dBm
2fo, 3fo
Transmit GSM low band,
PIN <+34.5 dBm,
VSWR = 5:1, all phases
–40
–36
dBm
2fo, 3fo
Transmit GSM high band,
PIN <+33 dBm,
VSWR = 1:1
–54
–45
dBm
–40
–36
dBm
2fo, 3fo
2fo, 3fo
Transmit GSM high band,
PIN <+33 dBm,
VSWR = 5:1, all phases
Large signal harmonics,|
transmit band 13
2fo
ANT to TRXx ports,
@ 777 to 787 MHz,
PIN < +25 dBm,
VSWR = 1:1
Large signal harmonics,
transmit band 17
3fo
ANT to TRXx ports,
@ 704 to 716 MHz,
PIN ≤+25 dBm,
VSWR = 1:1
–80
–78
dBm
2fo, 3fo
Transmit WCDMA 824 to
915 MHz, PIN <+27 dBm,
VSWR = 1:1
–72
–66
dBm
2fo, 3fo
Transmit WCDMA 824 to
915 MHz, PIN <+27 dBm,
VSWR = 5:1
–57
–45
dBm
Large signal harmonics, TRXx
–78
dBm
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202952B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 23, 2013
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 3. SKY13455-31 Electrical Specifications (Note 1) (3 of 4)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
Transmit WCDMA 1710 to
1980 MHz, PIN <+27
dBm, VSWR = 1:1, all
phases
–67
–60
dBm
Transmit WCDMA 1710 to
1980 MHz, PIN <+27
dBm, VSWR = 5:1, all
phases
–57
–45
dBm
RF Specifications (continued)
Large signal harmonics, TRXx
2fo, 3fo
2fo, 3fo
Isolation (full isolation “on” arms to
“off” arms) (see Table 5)
Iso_TX1/2_1800
LTX to HTX,
PIN <+35 dBm,
@ 1648 to 1830 MHz
28
30.5
dB
Iso_TX1/TRX_900
LTX to TRXx pins,
PIN <+35 dBm,
@ 824 to 915 MHz
37
40
dB
Iso_TX1/RX_900
LTX to receive ports
(Note 2),
PIN <+35 dBm,
@ 869 to 960 MHz
35
43
dB
Iso_TX2/TRX_1800
HTX to TRXx pins,
PIN <+33 dBm,
@ 1710 to 1910 MHz
32
35
dB
TRX9 (RX2) to ANT when
TRX10 (RX3) active,
PIN <+27 dBm,
@ 1805 to 1990 MHz
31
34
dB
TRX10 (RX3) to ANT when
TRX9 (RX2) active,
PIN <+27 dBm,
@ 1805 to 1990 MHz
31
34
dB
TRXx to receive ports
(Note 2),
PIN <+27 dBm,
@ 1710 to 1910 MHz
25
27
dB
TRXx to TRXx,
PIN <+27 dBm,
@ 824 to 1910 MHz,
every other pin
26
29
dB
TRXx to TRXx,
PIN <+27 dBm,
@ 824 to 1910 MHz,
opposite side pins
40
43
dB
TRXx to TRXx,
PIN <+27 dBm,
@ 824 to 1910 MHz,
adjacent pins
20
22
dB
Iso_RX2/RX3_1990
Iso_RX3/RX2_1990
Iso_TRX/RX
Iso_TRX/TRX
Iso_TRX/TRX
Iso_TRX/TRX
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 23, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202952B
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 3. SKY13455-31 Electrical Specifications (Note 1) (4 of 4)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
650 to 900 MHz
+81
+91
dBc
1710 to 2155 MHz
+81
+92
dBc
DC Specifications
Triple Beat Ratio (see Table 4)
2nd Order Intermodulation Distortion
TBR
IMD2
See Table 5
3rd Order Intermodulation Distortion
IMD3
See Table 6
Supply voltage
VDD
Supply current
IDD
Digital data and clock signals:
High
Low
Current
SDATA, SCLK
Interface supply voltage level
VIO
2.50
–110
–105
dBm
–110
–105
dBm
2.85
3.30
V
35
100
μA
VIO
0.2 × VIO
5
V
V
μA
0.8 × VIO
0
1.65
1.80
DC supply turn-on/turn-off time (Note 3)
RF path switching time (Note 3)
Between the ANT port and
either LTX/HTX or TRXx
ports
Supply ripple
2
1.95
V
20
μs
5
μs
20
mVp-p
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Note 2: Dedicated receive ports are TRX8 (RX1), TRX9 (RX2), or TRX10 (RX3).
Note 3: Refer to Figure 3.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
VDD (V)
VDD
Final VDD
50% of final VDD
Time (μs)
Rising edge of last clock
signal that sets the switch
into the desired state
VIO
VIO (V) – Interface Supply
SCLK (V) – Interface Signal
SCLK
Time (μs)
POUT (dBm)
POUT
90% of POUT
Time (μs)
Switching Time
tsw < 5 μs
Switching Time (tSW) is measured from the
rising edge of the last clock signal to 90% of RF power.
Turn-on Time
tON ~ 20 μs
Turn-on Time (tON) is measured from 50%
of final VDD supply voltage to 90% of RF power.
Y0113
Figure 3. SKY13455-31 Timing Diagram
Table 4. Triple Beat Ratio Frequencies and Power Levels
Band
Transmit
Frequency 1
(MHz)
Transmit Power
1
(dBm)
Transmit
Frequency 2
(MHz)
Transmit Power
2
(dBm)
Frequency
Blocker ANT
(MHz)
Power Blocker
(dBm)
Triple Beat Product
Frequency
(MHz)
2
1880.0
+21.5
1881.0
+21.5
1960.0
–30
1960.0 ± 1
5
836.5
+21.5
881.5
+21.5
881.5
–30
881.5 ± 1
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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September 23, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202952B
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 5. SKY13455-31 Electrical Specifications: Isolation, “On” Arms to “Off” Arms (Note 1)
(VDD = 2.85 V, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Isolation (dB)
“On”
Arm
Freq
(MHz)
LTX
HTX
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
LTX
915
–
–26
–51
–52
–54
–56
–52
–47
–46
–43
–48
–51
HTX
1910
–25
–
–43
–43
–45
–44
–43
–40
–39
–33
–39
–43
TRX1
915
–34
–66
–
–27
–34
–56
–56
–50
–51
–50
–43
–32
TRX1
1910
–37
–45
–
–22
–28
–45
–45
–42
–41
–43
–37
–27
TRX1
2690
–36
–38
–
–19
–25
–39
–41
–39
–37
–38
–34
–24
TRX2
915
–34
–64
–30
–
–28
–53
–57
–51
–51
–52
–45
–38
TRX2
1910
–37
–44
–24
–
–23
–44
–45
–42
–41
–44
–39
–33
TRX2
2690
–36
–37
–21
–
–20
–38
–41
–39
–37
–39
–36
–30
TRX3
915
–34
–62
–34
–31
–
–50
–57
–52
–52
–54
–47
–41
TRX3
1910
–37
–44
–29
–26
–
–42
–45
–42
–41
–45
–41
–36
TRX3
2690
–36
–37
–26
–22
–
–37
–39
–39
–37
–40
–37
–33
TRX4
915
–34
–57
–49
–48
–47
–
–28
–36
–41
–60
–55
–52
TRX4
1910
–37
–43
–43
–42
–42
–
–22
–30
–33
–47
–47
–45
TRX4
2690
–36
–37
–39
–38
–38
–
–19
–26
–28
–42
–42
–41
TRX5
915
–35
–55
–50
–49
–49
–30
–
–29
–37
–59
–55
–52
TRX5
1910
–38
–43
–44
–43
–43
–25
–
–23
–30
–47
–47
–45
TRX5
2690
–36
–37
–40
–39
–39
–21
–
–19
–26
–42
–42
–41
TRX6
915
–35
–53
–51
–50
–50
–36
–31
–
–30
–58
–55
–52
TRX6
1910
–38
–42
–44
–43
–44
–30
–25
–
–23
–46
–47
–45
TRX6
2690
–36
–37
–40
–39
–40
–26
–22
–
–20
–41
–42
–41
TRX7
915
–37
–51
–51
–50
–51
–39
–38
–32
–
–56
–54
–52
TRX7
1910
–39
–42
–44
–43
–44
–32
–31
–26
–
–45
–46
–45
TRX7
2690
–35
–38
–40
–39
–40
–28
–27
–22
–
–40
–41
–41
TRX8
915
–34
–37
–42
–44
–46
–58
–55
–50
–51
–
–29
–37
TRX8
1910
–42
–29
–37
–39
–41
–45
–45
–42
–41
–
–24
–31
TRX8
2690
–35
–27
–34
–35
–37
–40
–42
–39
–37
–
–21
–28
TRX9
915
–34
–54
–39
–42
–44
–59
–54
–49
–51
–36
–
–32
TRX9
1910
–40
–42
–34
–37
–39
–45
–45
–42
–41
–29
–
–27
TRX9
2690
–36
–39
–31
–34
–36
–40
–42
–39
–37
–25
–
–24
TRX10
915
–34
–65
–29
–36
–40
–58
–55
–49
–51
–44
–38
–
TRX10
1910
–38
–45
–24
–31
–35
–45
–45
–42
–41
–36
–32
–
TRX10
2690
–36
–39
–21
–28
–32
–40
–42
–39
–37
–32
–29
–
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202952B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 23, 2013
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 6. IMD2 Test Conditions
Power Blocker
(dBm)
Receive Frequency
(MHz)
Frequency Blocker,
Low
(MHz)
Frequency Blocker,
High
(MHz)
190
4090
2140.0
1880.0
80
3840
1960.0
1732.0
400
3864
Band
Transmit
Frequency
(MHz)
1
1950.0
2
4
Transmit Power
(dBm)
+20
2132.0
–15
5
836.5
45
1718
881.5
7
2535.0
120
5187
2655.0
8
897.0
45
1839
942.0
Table 7. IMD3 Test Conditions
Band
Transmit Frequency
(MHz)
Transmit Power
(dBm)
1
1950.0
1760.0
2140.0
2
1880.0
1800.0
1960.0
4
1732.0
1332.0
5
836.5
791.5
881.5
7
2535.0
2415.0
2655.0
8
897.0
852.0
942.0
+20
Frequency Blocker
(MHz)
Power Blocker
(dBm)
Receive Frequency
(MHz)
2132.0
–15
fBLK
1760 MHz,
–15 dBm
fFUND
1950 MHz,
+20 dBm
fRX
2140 MHz,
Measure Tone
Circulator
Signal Generator
fFUND = 1950 MHz,
+20 dBm
Coupler to Monitor
Input Power
1950 MHz
Bandpass Filter
Circulator
Duplexer
Phase Shifter
SKY13455-31
fFUND = +20 dBm
fBLK = –15 dBm
1760 MHz
Bandpass Filter
Signal Generator
fBLK = 1760 MHz,
–15 dBm
Spectrum Analyzer
fRX = 2140 MHz
S3577
rd
Figure 4. 3 Order Intermodulation Test Setup
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 8. Command Sequence Bit Definitions
Extended Operation
Type
SSC
C11C8
C7
C6-C5
C4
C3-C0
Parity
Bits
BPC
DA7(1)DA0(1)
Parity
Bits
BPC
DA7(n)DA0(n)
Parity
Bits
BPC
Reg0
Write
Y
SA[3:0]
1
Data[6:5]
Data[4]
Data{3:0]
Y
Y
–
–
–
–
–
–
Reg
Write
Y
SA[3:0]
0
10
Addr[4]
Addr[3:0]
Y
–
Data[7:0]
–
–
–
Y
Y
Reg
Read
Y
SA[3:0]
0
11
Addr[4]
Addr[3:0]
Y
Y
Data[7:0]
–
–
–
Y
Y
Legend:
SSC = Sequence start command
C = Command frame bits
DA = Data/address frame bits
BPC = Bus park cycle
BC = Byte count (# of consecutive addresses)
SCLK
SDATA
SA3
SA2
SA1
0
SA0
SSC
1
0
A4
A3
A2
A1
A0
P
Example Register Write Command Frame
SCLK
SDATA
P
D7
D6
D5
D4
D3
D2
D1
D0
Example Data Frame
P
0
Bus
Park
Signal Driven by Master
Signal Not Driven; Pull-Down Only
For Reference Only
S3101
Figure 5. Register Write Command Timing Diagram
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
SCLK
SDATA
SA3
SA2
SA1
0
SA0
1
1
A4
A3
A2
A1
A0
P
Example Register Read Command Frame
SSC
SCLK
SDATA
P
0
D7
D6
D5
D4
D3
D2
D1
P
D0
0
Example Data Frame
Bus
Park
Bus
Park
Signal Driven by Master
Signal Not Driven; Pull-Down Only
Signal Driven by Slave
For Reference Only
S3102
Figure 6. Register Read Command Timing Diagram
Table 9. Register_0 Truth Table
State
Register 0 Bits
Mode
D7
D6
D5
D4
D3
D2
D1
D0
1
Sleep
x
0
0
0
0
0
0
0
2
LTX
x
0
0
0
1
0
1
0
3
HTX
x
0
0
0
1
0
0
0
4
TRX1
x
0
0
0
0
1
0
0
5
TRX2
x
0
0
0
0
1
0
1
6
TRX3
x
0
0
0
0
1
1
0
7
TRX4
x
0
0
0
0
1
1
1
8
TRX5
x
0
0
0
1
0
0
1
9
TRX6
x
0
0
0
1
0
1
1
10
TRX7
x
0
0
0
1
1
0
0
11
TRX8
x
0
0
0
0
0
0
1
12
TRX9
x
0
0
0
0
0
1
0
13
TRX10
x
0
0
0
0
0
1
1
14
TRX3 + TRX4
x
0
0
0
1
1
0
1
15
TRX5 + TRX10
x
0
0
0
1
1
1
0
16
Warmup (optional)
x
1
1
1
1
1
1
1
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 10. Register Description and Programming (1 of 2)
Register
Name
Address
(Hex)
Register_0
0000
Parameter
Default
(Binary)
Description
MODE_CTRL
Bits[7:0]:
SOFTWARE RESET
Bit[7]:
–
Switch control. See Table 8 for logic
0
Resets all data to default values except for USID, GSID, or the
contents of the PM_TRIG Register.
0 = Normal operation
1 = Software reset
COMMAND_FRAME_PARITY_ERR
Bit[6]:
0
Command sequence received with parity error – discard command.
COMMAND_LENGTH_ERR
Bit[5]:
0
Command length error.
ADDRESS_FRAME_PARITY_ERR
RFFE_STATUS
001A
Bit[4]:
0
Address frame parity error = 1.
DATA_FRAME_PARITY_ERR
Bit[3]:
READ_UNUSED_REG
Bit[2]:
WRITE_UNUSED_REG
Bit[1]:
BID_GID_ERR
Bit[0]:
0
Data frame with parity error.
0
Read command to an invalid address.
0
Write command to an invalid address.
0
Read command with a BROADCAST_ID (refer to the MIPI Alliance
Specification) or GSID.
Reserved
GROUP_SID
001B
GSID
Bits[7:4]: Reserved
0000
Bits[3:0]:
0000
Group slave ID
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Table 10. Register Description and Programming (2 of 2)
Register
Parameter
Address
(Hex)
Name
PWR_MODE
Default
(Binary)
Description
Bits[7:6]:
00
00 = Normal operation (active)
01 = Default settings (startup)
10 = Low power (low power)
11 = Reserved
Trigger_Mask_2
Bit[5]:
0
If this bit is set, trigger 2 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 2, the data goes
directly to the destination register.
Trigger_Mask_1
PM_TRIG
(Note 1)
Bit[4]:
0
If this bit is set, trigger 1 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 1, the data goes
directly to the destination register.
001C
Trigger_Mask_0
Bit[3]:
0
If this bit is set, trigger 0 is disabled. When all triggers are disabled, if
writing to a register that is associated with trigger 0, the data goes
directly to the destination register.
Trigger_2
Bit[2]:
Trigger_1
Bit[1]:
0
If this bit is set, data is loaded into the trigger 2 registers.
0
If this bit is set, data is loaded into the trigger 1 registers
(unsupported).
Trigger_0
Bit[0]:
0
If this bit is set, data is loaded into the trigger 0 registers
(unsupported).
PRODUCT_ID
001D
PRODUCT_ID
Bits[7:0]:
01000001
This is a read-only register. However, during the programming of the
Unique Slave Identifier (USID), a write command sequence is
performed on this register but the value is not changed.
MANUFACTURER_ID
001E
MANUFACTURER_ID
Bits[7:0]:
10100101
Read-only register
Reserved
Bits[7:6]:
00
Reserved
MAN_USID
001F
MANUFACTURER_ID
Bits[5:4]:
01
Read-only register
USID
Bits[3:0]:
1011
Programmable USID. A write to these bits programs the USID.
Note 1: Unlike the complete independence between triggers 0, 1, and 2, and also between the associated trigger masks 0, 1, and 2, respectively, as described in the MIPI RFFE Specification,
this device uses additional interactions between the provided trigger functions.
The delayed application of updated data to all triggerable registers in this device can be accomplished using any of the three triggers (0, 1, or 2), provided that the particular trigger
used is not currently masked off. If multiple triggers are enabled, any or all of those are sufficient to cause the data to be transferred from shadow registers to destination registers for
all triggerable registers in the device.
It is also necessary to disable all three triggers (i.e., set all three trigger masks) to ensure that data written to any triggerable register is immediately written to the destination register
at the conclusion of the RFFE command sequence where the data is written.
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Evaluation Board Description
Package and Handling Information
The SKY13455-31 Evaluation Board is used to test the
performance of the SKY13455-31 SP12T Switch. An Evaluation
Board schematic diagram is provided in Figure 7. A
recommended ESD protection circuit diagram is provided in
Figure 8. An assembly drawing for the Evaluation Board is shown
in Figure 9.
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. Instructions on the
shipping container label regarding exposure to moisture after the
container seal is broken must be followed. Otherwise, problems
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
Package Dimensions
The SKY13455-31 is rated to Moisture Sensitivity Level 3 (MSL3)
at 260 C. It can be used for lead or lead-free soldering. For
additional information, refer to the Skyworks Application Note,
PCB Design and SMT Assembly/Rework Guidelines for MCM-L
Packages, document number 101752.
The PCB layout footprint for the SKY13455-31 is provided in
Figure 10. Typical case markings are shown in Figure 11.
Package dimensions for the 22-pin MCM are shown in Figure 12,
and tape and reel dimensions are provided in Figure 13.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
DCH1 Header
4
VIO
3
5
6
SDATA
SCLK
2
Not Used
VDD
1
RFC2
RFC3
RF I/O Port 6
RF I/O Port 5
RFC1
RFC4
RF I/O Port 7
RF I/O Port 4
18
GND
TRX7
TRX6
TRX5
ANT
Antenna
11
10
RFC6
9
VIO
LTX
SDATA
HTX
21
SCLK
22
TRX3
RFC13
RF I/O Port 3
RFC5
GND
TRX10 (RX3)
Data
Clock
VDD
1
TRX1
C3
33 pF
12
19
20
Interface Supply
13
2
3
TRX9 (RX2)
C1
10 nF
TRX2
C2
33 pF
GND
14
GND
DC Power Supply
15
TRX4
16
17
4
8
RFC7
7
Low Band
Transmit
High Band
Transmit
GND
6
RFC8
TRX8 (RX1)
RF I/O Port 8
(Receive 1)
5
RFC12
RFC9
RFC11
RFC10
RF I/O Port 2
RF I/O Port 1
RF I/O Port 9
(Receive 2)
RF I/O Port 10
(Receive 3)
S3320
Figure 7. SKY13455-31 Evaluation Board Schematic
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15
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
4.7 pF
To Application
Antenna
To SKY13455-31
Antenna (Pin 11)
18 nH
18 nH
ESD Circuit 1
12 pF
To Application
Antenna
To SKY13455-31
Antenna (Pin 11)
12 nH
ESD Circuit 2
S3578
Figure 8. SKY13455-31 Recommended ESD Protection Circuits
TRX6
TRX7
TRX5
ANT
TRX4
LTX
N/U (Open)
VDD
1
VIO
SDATA
3
SCLK
5
GND
6
2
HTX
4
TRX8
TRX3
TRX9
TRX2
TRX10
TRX1
S3318
Figure 9. SKY13455-31 Evaluation Board Assembly Diagram
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
3.5
22X 0.55
18X 0.2
4X 0.5
0.4 Pitch
2X 0.5
2.8
Package Outline
Pin 1 Indicator
(0.30 X 45°)
Pin 1
Pin 22
2X 0.5
Stencil aperture size for center ground
pad should be 80 to 100% (by area)
of the solder mask opening.
Stencil Aperture
Top View
0.6 Pitch
Package Outline
17X 0.55
14X 0.2
3.6
3X 0.5
22X 0.65
18X 0.3
4X 0.6
0.4 Pitch
0.6 Pitch 2.8
0.4 Pitch
2X 0.5
Pin 22
Pin 1
0.25 Typ.
3.5
Metallization
Top View
Pin 1 Indicator
Thermal via array Ø0.3 mm on
(0.30 X 45°)
0.6 mm pitch will improve
Pin 1
thermal performance.
2X 0.5
NOTE: thermal vias should
Pin 22
be tented with solder mask,
30-35 μm Cu plating
Solder Mask Opening
recommended.
2.9
Opening size of
60 to 100% of
exposed center
opening shown
Package Outline
Top View
S3319
All dimensions are in millimeters
Figure 10. SKY13455-31 PCB Layout Footprint
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Pin 1
Indicator
Skyworks Part #
Lot #
Date Code:
(YY = Calendar Year
WW = Week)
3.2
Solder Mask Opening
0
C
12X 1.50
Figure 11. Typical Part Markings
(Top View)
0.2 A B C
B
14X 1.15
B
C
4X 0.6
4X 0.2
2.5
0
A
Pin 22
22X SMT Pad
A
0.1 M A B C
4X 0.8
0.8 ± 0.1
0.01
0.15 A B C
Top View
Side View
4X 0.4
Pin 1
Indicator
Pin 1 Indicator
See Detail D
Pin 1
Bottom View
0.3 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
(0.1)
1
(0.1)
0.3 ± 0.05
Soldermask Edges
(0.1)
0.25 ± 0.1
0.2 ± 0.05
0.25 ± 0.1
1
(0.05)
(0.1)
(0.1)
0.3 X 0.3
Metal Pad Edge
5X R0.05 Max
Detail A
Detail B
Detail C
Pad
Scale: 2X
4X This Rotation
4X Rotated 180°
5X Rotated 270°
5X Rotated 90°
Pad
Scale: 2X
1X This Rotation
1X Rotated 180°
Pad
Scale: 2X
1X This Rotation
1X Rotated 180°
Detail D
Full Scale
1X This Rotation
All measurements are in millimeters
Dimensioning and tolerancing according to ASME Y14.5M-1994
Figure 12. SKY13455-31 22-Pin MCM Package Dimensions
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S3579
DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
0.25 ± 0.05
∅1.50 +0.10/–0
2.00 ± 0.05
4.00 ± 0.10
1.75 ± 0.10
A
A
B
∅1.00 ± 0.10
1.30 ± 0.10 (Ko)
B
5.50 ± 0.05
3.50 ± 0.10 (Bo)
Pin #1
Indicator
12.00 ± 0.20
B
4.00 ± 0.10
2.75 ± 0.10 (Ao)
Notes:
1. Carrier tape: black conductive polycarbonate.
2. Cover tape material: transparent conductive material.
3. ESD-surface resistivity is ≤1 x 1010 Ohms/square per
EIA, JEDEC TNR Specification.
4. 10 sprocket hole pitch cumulative tolerance: ±0.20 mm
5. Ao and Bo measusred on plane 0.30 mm above the bottom of the pocket.
6. All measurements are in millimeters.
A
S2686
Figure 13. SKY13455-31 Tape and Reel Dimensions
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DATA SHEET • SKY13455-31 SP12T SWITCH WITH MIPI RFFE INTERFACE
Ordering Information
Model Name
SKY13455-31 0.4-2.7 GHz SP12T Switch with MIPI RFFE
Interface
Manufacturing Part Number
SKY13455-31
Evaluation Board Part Number
SKY13455-31-EVB
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