STMICROELECTRONICS STUSB03E

STUSB03E
USB Transceiver
General features
■
Compliant to USB V2.0 for full-speed (12Mb/s)
and low-speed (1.5Mbps) operation
■
HBM = ±14kV on D+, D– lines; ±5kV on VBUS
■
ESD Compliant to IEC-61000-4.2 (level 3) on
D+, D- lines
■
Separate I/O supply with operation down to
1.6V
■
Integrated 3.3V output LDO
■
Very low power consumption to meet USB
‘suspend’ current requirements
■
Small QFN16 lead free package 3x3 mm2
■
No power supply sequencing requirements
■
Software controlled re-enumeration
■
Integrated D+ pull-up resistor for FS operation
QFN16 (3mm x 3mm)
detect the presence of the VBUS voltage and
features an internal D+ pull-up resistor
implemented in accordance with the 27% resistor
ECN.
Description
The STUSB03E is a single chip transceiver that
complies with the physical layer specifications of
the Universal Serial Bus (USB) v2.0 standard. It
has an integrated 5V to 3.3V regulator which
allows direct powering from the VBUS. The
transceiver has an integrated voltage detector to
The STUSB03E also supports Sharing mode
when VBUS is not present, which allows the D+/D–
lines to be shared with other serial protocols.
It supports both full-speed (12Mbps) and lowspeed (1.5Mbps) operation. It is also designed to
operate down to 1.6V so that it is compatible with
lower system voltages of most portable systems,
which include PDAs, MP3 Player and Cell phones.
Order code
Part number
Package
Packaging
STUSB03EQR
QFN16 (3mm x 3mm)
3000 parts per reel
March 2007
Rev. 2
1/20
www.st.com
20
STUSB03E
Contents
Contents
1
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Functional tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6
Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7
Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2/20
STUSB03E
1
Figure 1.
Typical application
Typical application
Application circuit
3/20
STUSB03E
Pin configuration
2
Pin configuration
Figure 2.
Pin connections (Top View)
Table 1.
Pin description
Pln N°
Symbol
I/O
1
SPD
I
2
RCV
O
3
VP
I/O
4
VM
I/O
5
CON
I
6
7
GND
SUS
I
8
RSEL
I
9
OE#
I
10, 11
12
D-, D+
VTRM
I/O
O
13
VPU
O
14
VBUS
I
15
VIF
I
16
VBUSDET
O
EXP
N.C.
4/20
Name and function
Speed selection input. A logic HIGH operates at edge rates for “fullspeed” operation.
A logic LOW operates edge rates for “lowspeed” operation. See also CON pin.
Receive Data. Output for USB differential data. (see Table 2)
If OE# = H, VP = Receiver output (+)
If OE# = L, VP = Driver input (+) (see Table 2)
If OE# = H, VM = Receiver output (-)
If OE# = L, VM = Driver input (-) (see Table 2)
CONNECT (input). Connects the internal pull-up resistor to D+ if SPD and RSEL are
logic high. Controls status of VPU pin if SPD or RSEL is logic low.
Ground reference
Suspend (active-high). Turns off internal circuits to reduce supply current.
Full speed pull-up resistor selection input. If RSEL = 0 the internal pull-up resistor
connected to D+ is disabled and an external resistor connected to VPU pin must be
used.
Output Enable (active-low). Enables transceiver data transmission onto the bus.
When not active, the transceiver is in the receive mode. (see Table 2)
Differential data lines that conform to the USB v2.0 standard. (see Table 2)
3.3V Reference Supply Output. Requires a 1.0µF decoupling capacitor for stability.
Pull-up Supply Voltage Output. Used to connect 1.5K pull-up speed detect resistor
when RSEL or SPD is logic low. If CON = 0, VPU is high impedance. If CON = 1, VPU
= 3.3V ±10% (see Table 4.).
USB Bus Supply Voltage (4V to 5.5V). Supplies power to the USB transceiver and
internal circuitry.
System Interface Supply Voltage (1.6V to 3.6V). Provides reference supply voltage for
system I/O interface signals.
VBUS indicator output. When VBUS > 4.0V, VBUSDET = High; when < 3.6V,
VBUSDET = Low (VIF referred).
Not connected.
STUSB03E
3
Functional tables
Functional tables
Table 2.
Function selection
SUS
OE#
D+, D-
RCV
VP/VM
Function
L
L
H
H
L
H
L
H
Driving
Receiving
Hi-Z
Hi-Z
Active
Active
L
L
Active
Active
Not Active
Active
Normal transmit mode
Normal receive mode
Low power state
Receiving during suspend (low power state) (1)
(1) During suspend VP and VM are active in order to detect out of band signalling conditions
Table 3.
Sharing mode pin configuration
Input/output
Status
VBUS
Floating or connected to GND
VIF
1.6V to 3.6V input
High impedance
High
Low
High impedance
Low
D+, D-,
VP, VM
RCV
SPD
VBUSDET
VPU
High impedance
High impedance inputs
#OE, SUS, CON
VPU Status
Table 4.
SPD
RSEL
CON
H
H
H
L
L
H
L
L
X
X
X
L
H
L
H
Table 5.
VPU
High impedance
High impedance
3.3V ± 10%
High impedance
3.3V ± 10%
Truth table during normal Mode
OE# = L
Input
Output
VP
VM
D+
D-
RCV
L
L
H
H
L
H
L
H
L
L
H
X
L
H
L
X
X
L
H
X
Result
SE0
Logic Low
Logic High
Undefined
OE# = H
Input
Output
D+
D-
VP
VM
RCV
L
L
H
H
L
H
L
H
L
L
H
X
L
H
L
X
X
L
H
X
RESULT
SE0
Logic Low
Logic High
Undefined
X = Undefined
5/20
STUSB03E
Maximum ratings
4
Maximum ratings
Table 6.
Absolute maximum ratings
Symbol
VBUS
Parameter
Value
Unit
6
-0.5 to 4.6
± 50
V
V
mA
± 15
mA
mA
°C
V+
IO
Supply Voltage
All other Inputs
Output Current (D+, D-)
IO
Output Current (all others)
II
ESD
Input Current
D+, D-, HBM (Note 3)
VBUS (Note 3)
TSTG
All other pins (Note 3)
Storage Temperature Range
± 50
± 14
±5
±2
-65 to + 150
TOPR
Operating Temperature Range
-40 to + 85
kV
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional Operation under these conditions is not implied.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Table 7.
Symbol
RthJA
6/20
Thermal data
Parameter
Thermal Resistance Junction-Ambient
Value
Unit
59
°C/W
STUSB03E
5
Electrical characteristics
Electrical characteristics
Table 8.
Symbol
VBUS
DC electrical characteristics (system and USB interface) (VIF = 3.6V, VBUS = 5V unless
otherwise noted; TA = 25°C, specifications over temperature, -40 to 85°C)
Parameter
Test conditions
USB Supply Voltage
Min.
Typ.
Max.
Unit
4
5.5
V
1.6
3.6
0.15VIF
V
VIF
System I/F Supply Voltage
VIL
Low Level Input Voltage (Note 4)
VIH
High Level Input Voltage (Note 4)
0.85VIF
VOL
Low Level Output Voltage (Note 4) IOL = 20µA
High Level Output Voltage (Note 4) IOH = -20µA
0
VIF-100
100
VIF
mV
-5
5
5
µA
µA
2
mA
220
µA
0.8
mA
120
µA
150
µA
5
mA
3.5
mA
VOH
IIL
Input Leakage Current (Note 4)
IVPULEAK VPU Leakage Current
D+, D- are idle, SUS = 1
D+, D- active, CLOAD = 25pF,
SPD=1, f=6MHz, OE#=1 (Note 5)
D+, D- active, CLOAD = 25pF,
SPD=0, f=750kHz, OE#=1 (Note5)
D+, D- active, CLOAD = 25pF,
SPD=1, f=6MHz, OE#=0 (Note 5)
D+, D- active, CLOAD = 25pF,
SPD=0, f=750kHz, OE#=0 (Note 5)
D+, D- are idle, VBUS = 5.25V
Suspend Mode (SUS = 1), OE# =
1, SPD = 1
D+, D- are idle, VBUS = 5.25V
SPD = 1, SUS = 0
D+, D- are idle, VBUS = 5.25V
SPD = SUS = 0
D+, D- active, VBUS = 5.25V
CLOAD = 50pF, SPD = 1, f = 6 MHz
OE# = SUS = 0 (Note 5)
D+, D- active, VBUS = 5.25V
CLOAD = 50pF, f = 6 MHz,
SUS = 0 OE# = SPD = 1 (Note 5)
D+, D- active, VBUS = 5.25V
CLOAD = 600pF, f = 750 KHz,
SUS = SPD = 0 (Note 5)
CON = 0, VPU = 0V
-5
IVIFLEAK VIF Leakage Current
VIF = 3.6V, VBUS = 0V
ITERM = 200µA, VBUS = 4 to 5.25V
ITERM = 10mA, VBUS = 4 to 5.25V
IIF
IBUS
VPU
RSW
VIF Supply Current (Note 7)
VBUS Supply Current
Pull-Up Output Voltage
VPU Internal Switch Resistance
VBUSDET VBUS Comparator threshold
Supply present
Supply lost
V
V
mV
8
mA
6
3.5
5
µA
-5
5
µA
3
3.6
V
6
4
11
Ω
3.6
V
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, VP, VM, OE#, VBUSDET.
Note 5. Characterized specification(s), but not production tested.
Note 6. All AC parameters guaranteed by design but not production tested.
Note 7. RCV NOT LOADED
7/20
STUSB03E
Electrical characteristics
Table 9.
Symbol
VBUS
VIF
DC electrical characteristics (system and USB interface)
(VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25°C)
Parameter
Test conditions
USB Supply Voltage
System I/F Supply Voltage
Min.
Typ.
4
5.5
V
3.6
0.15VIF
V
Low Level Input Voltage (Note 4)
High Level Input Voltage
0.85VIF
VIH
(Note 4)
Low Level Output Voltage
IOL = 20µA
VOL
(Note 4)
High Level Output Voltage
IOH = 20µA
VOH
0.9VIF
(Note 4)
IIL
Input Leakage Current (Note 4)
-5
D+, D- are idle, SUS = 1
D+, D- active, CLOAD = 25pF,
SPD=1, f=6MHz, OE#=1 (Note 5)
D+, D- active, CLOAD = 25pF,
VIF Supply Current (Note 7)
IIF
SPD=0, f=750kHz, OE#=1 (Note5)
D+, D- active, CLOAD = 25pF,
SPD=1, f=6MHz, OE#=0 (Note 5)
D+, D- active, CLOAD = 25pF,
SPD=0, f=750kHz, OE#=0 (Note 5)
D+, D- are idle, VBUS = 5.25V
Suspend Mode (SUS = 1), OE# =
1, SPD = 1
D+, D- are idle, VBUS = 5.25V
SPD = 1, SUS = 0
D+, D- are idle, VBUS = 5.25V
SPD = SUS = 0
D+, D- active, VBUS = 5.25V
IBUS
VBUS Supply Current
CLOAD = 50pF, SPD = 1, f = 6 MHz
OE# = SUS = 0 (Note 5)
D+, D- active, VBUS = 5.25V
CLOAD = 50pF, f = 6 MHz,
SUS = 0 OE# = SPD = 1 (Note 5)
D+, D- active, VBUS = 5.25V
CLOAD = 600pF, f = 750 KHz,
SUS = SPD = 0 (Note 5)
CON = 1, VPU = 0V
IVPULEAK VPU Leakage Current
-5
VIF = 3.6V, VBUS = 0V
IVIFLEAK VIF Leakage Current
-5
VPU
ITERM = 200µA, VBUS = 4 to 5.25V
Pull-Up Output Voltage
VPU Internal Switch Resistance
VBUSDET VBUS Comparator threshold
ITERM = 10mA, VBUS = 4 to 5.25V
Supply present
Supply lost
V
V
0.1
V
V
5
5
µA
µA
1.3
mA
180
µA
0.4
mA
67
µA
88
100
µA
4.7
mA
3
mA
5.5
mA
5.2
3
5
µA
5
µA
3.3
V
9
Ω
4
3.6
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, VP, VM, OE#, VBUSDET.
Note 5. Characterized specification(s), but not production tested.
Note 6. All AC parameters guaranteed by design but not production tested.
Note 7. RCV NOT LOADED
8/20
Unit
1.6
VIL
RSW
Max.
V
STUSB03E
Table 10.
Symbol
Electrical characteristics
ESD performance
Parameter
IEC-1000-4-2 (D+, D-)
ESD
IEC-1000-4-2 (VBUS only)
Table 11.
Symbol
Parameter
VCM
VSE
Single Ended Receiver Threshold
VDI
VRHYS Receiver Hysteresis
VOL
Static Output Low
VOH
Static Output High
CI
Transceiver Capacitance
ZDRV
Driver Output Resistance
RPU_D+ D+ Data line pull-up resistance
Table 12.
Symbol
Parameter
VCM
VSE
Single Ended Receiver Threshold
VDI
VRHYS Receiver Hysteresis
VOL
Static Output Low
VOH
Static Output High
CI
ZDRV
Typ.
Max.
±8
±6
±5
±5
Unit
KV
Test conditions
Min.
VI = 0 to 3.3 V, SUS = 1
-10
|(D+) - (D-)|
0.2
Includes VDI range
0.8
Low to high transition
High to low transition
VCM = 0.8 V
0.8
0.8
RL = 1.5 KΩ at 3.6V (see test
circuit)
RL = 15 KΩ at GND (see test
circuit)
Pin to GND
Steady state drive
BUS idle
Receive mode
Typ.
Max.
Unit
10
µA
V
2.5
V
2.0
2.0
V
V
mV
0
0.3
V
2.8
3.6
V
1.6
1.1
100
25
8
900
1425
pF
24
1575
3090
Ω
Ω
DC electrical characteristics (transceiver)
(VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25°C)
Hi-Z State Data Line Leakage
(Suspend Mode)
Differential Input Sensitivity
Differential Common Mode
Range
ILO
Min.
DC electrical characteristics (transceiver)
(VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25°C, specifications over temperature,
-40 to 85°C)
Hi-Z State Data Line Leakage
(Suspend Mode)
Differential Input Sensitivity
Differential Common Mode
Range
ILO
Test conditions
Air Discharge (10 pulses)
Contact Discharge (10 pulses)
Air Discharge (10 pulses)
Contact Discharge (10 pulses)
Transceiver Capacitance (3)
Driver Output Resistance
RPU_D+ D+ Data line pull-up resistance
Test Conditions
Min.
VI = 0 to 3.3 V, SUS = 1
-2
|(D+) - (D-)|
0.2
Includes VDI range
0.8
Low to high transition
High to low transition
VCM = 0.8 V
0.8
0.8
Typ.
Steady state drive
BUS idle
Receive mode
Unit
2
µA
V
1.6
1.1
50
RL = 1.5 KΩ at 3.6V
(see Test circuits)
RL = 15 KΩ at GND
(see Test circuits)
Pin to GND
Max.
2.8
2.5
V
2.0
2.0
V
V
mV
0.3
V
3.6
V
25
pF
16
1300
2200
Ω
Ω
(3) Pins D+, D-
9/20
STUSB03E
Electrical characteristics
Table 13.
AC electrical characteristics
(VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25°C.) (Note 6)
Symbol
Parameter
TR
Transition Rise Time (LOW SPEED)
TF
Transition Fall Time (LOW SPEED)
TRFM
VCRS
TR
TF
Test Conditions
CL = 50pF (Figure 5)
Min.
300
75
CL = 600pF
Rise/Fall Time Matching (LOW
(TR, TF)
SPEED)
Output Signal Crossover Voltage
(LOW SPEED)
Transition Rise Time (FULL SPEED) CL = 50pF (Figure 5)
Transition Fall Time (FULL SPEED) CL = 50pF (Figure 5)
Max.
75
CL = 600pF
CL = 50pF (Figure 5)
Typ.
300
Unit
ns
ns
80
125
%
1.3
2
V
4
20
ns
4
20
ns
90
111.11
%
1.3
2
V
tTA_OI
Rise/Fall Time Matching (FULL
SPEED)
Output Signal Crossover Voltage
(FULL SPEED)
Output to input turnaround time
5
ns
Output to input turnaround time
Figure 4.
Figure 4.
0
tTA_IO
0
5
ns
tPZH,
tPZL
Driver enable delay
FS, Figure 3.
50
ns
tPLZ,
tPHZ
Driver disable delay
FS, Figure 3.
50
ns
TRFM
VCRS
tPLH tPHL VP, VM to D+, D- Propagation Delay
(TR, TF)
FS, CL = 50pF
55
ns
LS, CL =600pF
300
ns
18
ns
24
ns
tPLH tPHL D+, D- to RCV Propagation Delay
FS, input slope = 15 ns
tPLH tPHL D+, D- to VP, VM Propagation Delay FS, input slope = 15 ns
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, RCV, VP, VM, OE#.
Note 5. Characterized specification(s), but not production tested.
Note 6. All AC parameters guaranteed by design but not production tested.
10/20
STUSB03E
6
Timing diagram
Timing diagram
Figure 3.
Driver enable and disable delay
Figure 4.
Turnaround time
Figure 5.
Rise and fall times
11/20
Timing diagram
Figure 6.
Receiver propagation delay
Figure 7.
Driver propagation delay (CL = 50pF)
Minimum Timing LS and maximum timing FS
Figure 8.
12/20
FS eye diagram
STUSB03E
STUSB03E
7
Figure 9.
Test circuits
Test circuits
Load for VP, VM, RCV
Figure 10. Load for D+, D-
Figure 11. Enable and disable time circuit
Switch = GND for tPZH and tPHZ; V = VTRM for tPZL and tPLZ
13/20
Test circuits
Figure 12. Functional diagram
14/20
STUSB03E
STUSB03E
8
Functional description
Functional description
The STUSB03E is designed to provide USB connectivity in mobile systems where available system
supply voltages are not able to satisfy USB requirements. The STUSB03E can operate down to supply
voltages of 1.6V and still meet USB physical layer specifications. As shown in the circuit above, the
STUSB03E takes advantage of the USB supply voltage, VBUS, to operate the transceiver. The system
voltage, VIF, is used to set the reference voltage used by the digital I/O lines interfacing to the system
controller. Internal circuitry provides translation between the USB and system voltage domains. VIF will
typically be the main supply voltage rail for the controller.
In addition, a 3.3V, 10% termination supply voltage, VPU, is provided to support speed selection. VPU can
be disabled or enabled under software control via the CON input. This allows for software-controlled
connect or disconnect states. A 1.5K resistor is required to be connected between this pin and the D- line
when operating in low speed mode. In full speed mode either an internal pull-up resistor or an external
one connected between VPU pin and D+ line can be used; the desired configuration is chosen by tying
RSEL pin to VIF or GND.
The use of ESD transient protection devices is not required for operation, but is recommended.
15/20
Package mechanical data
9
STUSB03E
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages.
These packages have a Lead-free second level interconnect. The category of second Level
Interconnect is marked on the package and on the inner box label, in compliance with JEDEC
Standard JESD97. The maximum ratings related to soldering conditions are also marked on
the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at:
www.st.com.
16/20
STUSB03E
Package mechanical data
QFN16 (3mmx3mm) MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
MAX.
MIN.
TYP.
MAX.
0.80
0.90
1.00
0.032
0.035
0.039
A1
0.02
0.05
0.001
0.002
A3
0.20
A
b
0.18
D
D2
0.30
0.007
0.010
3.00
1.55
E
E2
0.25
0.008
1.70
0.118
1.80
0.061
0.067
3.00
1.55
1.70
1.80
0.061
0.067
0.50
0.020
K
0.20
0.008
0.30
r
0.09
E
0.40
0.071
0.118
e
L
0.012
0.50
0.012
0.016
0.071
0.020
0.006
E2
A
K
A1
e
D2
D
b
A3
K
L
r
This drawing is not to scale
17/20
STUSB03E
Package mechanical data
Tape & Reel QFNxx/DFNxx (3x3) MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
A
MIN.
TYP.
330
13.2
MAX.
12.992
C
12.8
D
20.2
0.795
N
60
2.362
T
18/20
MAX.
0.504
0.519
18.4
0.724
Ao
3.3
0.130
Bo
3.3
0.130
Ko
1.1
0.043
Po
4
0.157
P
8
0.315
STUSB03E
10
Revision history
Revision history
Table 14.
Revision history
Date
Revision
Changes
31-Oct-2006
1
First Release.
14-Mar-2007
2
Update tape & reel.
19/20
STUSB03E
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