PERICOM PI6C4853111FAE

PI6C4853111
2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL
Fanout Buffer with 2 to 1 Differential Clock Input Mux
Features
Description
•
•
•
•
The PI6C4853111 is a high-performance low-skew 1-to-10 LVPECL
fanout buffer. The PI6C4853111 features two selectable differential
clock inputs and translates to ten LVPECL outputs. The CLK inputs
accept LVPECL, LVDS, CML and SSTL signals.
Block Diagram
Pin Configuration
Q0
/Q0
Q1
/Q1
Q5
/Q5
Q6
/Q6
31
32
24 23 22 21 20 19 18 17
16
15
14
13
12
11
1 2 3
4
5
6
Q7
/Q7
7 8
vCCO
Q7
/Q7
Q8
/Q8
Q9
10 /Q9
9 vCCO
VEE
Q4
/Q4
25
26
27
28
29
30
/CLK1
CLK_SEL
1
VCCO
/Q2
Q2
/Q1
Q1
/Q0
Q0
vCCO
NC
CLK1
/CLK1
0
Q3
/Q3
VCC
CLK0
/CLK0
Q3
/Q3
Q4
/Q4
Q5
/Q5
Q6
/Q6
Q2
/Q2
CLK1
•
Operating Temperature: -40oC to 85oC
Core Power supply: 3.3V+/-10%,
Output Power supply: 2.5V ±5% & 3.3V ±10%
Packaging (Pb-free & Green):
— 32-pin TQFP (FA)
CLK0
•
•
/CLK0
•
PI6C4853111 is ideal for clock distribution applications demanding
performance and repeatability.
CLK_SEL
•
Pin-to-pin compatible to ICS853111-02
FMAX < 500MHz
10 pairs of differential LVPECL outputs
Selectable differential input pairs with single ended
input option
Input CLK accepts: LVPECL, LVDS, CML, SSTL input
level
Output skew: 35ps (typ)
Q8
/Q8
Q9
/Q9
06-0052
1
PS8805B
04/18/06
PI6C4853111
2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL
Fanout Buffer w/ 2 to 1 Differential Clock Input Mux
Pin Description(1)
Name
Pin #
Type
Description
VEE
8
P
Connect to negative power supply
CLK_SEL
2
I
Clock select input. When high, selects CLK1 input. When low, selects CLK0 input.
LVCMOS/LVTTL level with 50kΩ pull down.
CLK0
3
I
Differential LVPECL clock input with 75kΩ pull-down
/CLK0
4
I
Inverting differential LVPECL clock input. Defaults to VCC/2 if left floating.
CLK1
6
I
Differential LVPECL clock input with 75kΩ pull-down
/CLK1
7
I
Inverting differential LVPECL clock input. Defaults to VCC/2 if left floating.
NC
5
VCCO
9,16, 25,32
P
Output Power pin
VCC
1
P
Core Power Supply
Q3, /Q3
24,23
O
Differential output pair, LVPECL interface level.
Q2, /Q2
27,26
O
Differential output pair, LVPECL interface level.
Q1, /Q1
29,28
O
Differential output pair, LVPECL interface level.
Q0, /Q0
31,30
O
Differential output pair, LVPECL interface level.
Q9, /Q9
11,10
O
Differential output pair, LVPECL interface level.
Q8, /Q8
13,12
O
Differential output pair, LVPECL interface level.
Q7, /Q7
15,14
O
Differential output pair, LVPECL interface level.
Q6, /Q6
18,17
O
Differential output pair, LVPECL interface level.
Q5, /Q5
20,19
O
Differential output pair, LVPECL interface level.
Q4, /Q4
22,21
O
Differential output pair, LVPECL interface level.
No Connect
Note:
1. I = Input, O = Output, P = Power supply connection.
Pin Characteristics
Symbol
Parameter
R
Input Pullup/Pulldown Resistance
Conditions
Min.
Typ.
Max.
Units
50
kΩ
Control Input Function Table
Inputs
Outputs
0
CLK0
1
CLK1
06-0052
2
PS8805B
04/18/06
PI6C4853111
2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL
Fanout Buffer w/ 2 to 1 Differential Clock Input Mux
Absolute Maximum Ratings(1)
Symbol
Parameter
Conditions
Min
VCC
Supply voltage
Referenced to GND
VIN
Input voltage
Referenced to GND
IOUT
Surge Current
Typ
-0.5
Max
Units
4.6
V
VCC+0.5V
V
100
mA
TSTG
Storage temperature
-65
150
oC
VBB
Smk/source Current, IBB
-0.5
+0.5
ӨjA
Package Thermal Resistance
86
mA
˚C/Watt
ӨjC
Package Thermal Resistance
12.7
˚C/Watt
Note:
1. Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These ratings are stress specifications only and correct functional operation of the device at these or any other conditions above those listed in the operational sections of
the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.
Operating Conditions
Symbol
Parameter
Conditions
VCC
Power Supply Voltage
VCCO
Output Power Supply Voltage
TA
Ambient Temperature
Min
Typ
Max
Units
3.0
3.6
V
2.375
3.6
V
85
oC
-40
LVCMOS/LVTTL DC Characteristics (TA = -40oC to +85oC, VCC = 3.3V ±5%, VCCO = 2.5V ±5% to 3.3V ±10%)
Symbol
Parameter
Conditions
Min
Typ
Max
VIH
Input High Voltage
CLK_SEL
2
VCC+0.3
VIL
Input Low Voltage
CLK_SEL
-0.3
0.8
IIH
Input High Current
CLK_SEL
VIN = VCC = 3.6V
IIL
Input Low Current
CLK_SEL
VIN = 0V, VCC = 3.6V
06-0052
3
150
-5
Units
V
μA
μA
PS8805B
04/18/06
PI6C4853111
2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL
Fanout Buffer w/ 2 to 1 Differential Clock Input Mux
LVPECL DC Characteristics (TA = -40oC to +85oC, VCC = 3.3V ±10%, VCCO = 2.5V ±5% to 3.3V ±10%)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IIH
Input High
Current
CLK0, CLK1
VIN = VCC = 3.6V
150
µA
/CLK0, /CLK1
VIN = VCC = 3.6V
150
µA
IIL
Input Low
Current
CLK0, CLK1
VCC = 3.6V, VIN = 0V
-5
µA
/CLK0, /CLK1
VCC = 3.6V, VIN = 0V
-150
µA
VPP
Peak-to-peak Voltage
VCMR
Common Mode Input Voltage(1)
0.3
1
V
VEE+1.5
VCC
V
VOH
Output High Voltage(2)
Vcco=2.5V or 3.3V
VCCO-1.4
VCCO-0.9
V
VOL
Output Low Voltage(2)
Vcco=2.5V or 3.3V
VCCO-2.0
VCCO-1.7
V
0.6
1.0
V
140
mA
VSWING
IEE
Peak-to-peak Output Voltage Swing
Power Supply Current
@ 400 MHz
120
Notes:
1. For single-ended applications, the maximum input voltage for CLK and /CLK is VCC+0.3V
2. Outputs terminated with 50Ω to VCC-2.0V
AC Characteristics (TA = -40oC to +85oC, VCC = 3.3V ±10%, VCCO = 2.5V ±5% to 3.3V ±10%)
Symbol
fmax
Parameter
Conditions
Min
Typ
Output Frequency
Delay(1)
tpd
Propagation
Tsk
Output-to-output
tr/tf
Output Rise/Fall time
odc
Output duty cycle
Skew(2)
35
Max
Units
500
MHz
4
ns
60
ps
20% - 80%
150
700
ps
f ≤ 400 MHz
45
55
%
Notes:
1. Measured from the differential input to the differential output crossing point
2
Defined as skew between outputs at the same supply voltage and with equal loads. Measured at the output differential crossing point
06-0052
4
PS8805B
04/18/06
PI6C4853111
2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL
Fanout Buffer w/ 2 to 1 Differential Clock Input Mux
Packaging Mechanical: 32-pin TQFP (FA)
9.00 BSC
.354
Square
Square
7.00
BSC
0.09
0.20
.004
.008
GAUGE PLANE
0.25 mm
.276
1.20 Max.
.047
0°
7°
0.45 .018
0.75 .030
1.00 REF
.039
.004
0.10
Seating Plane
0.30 .012
0.45 .018
0.80 BSC
.032
0.95
1.05
.037
.041
0.05
0.15
.002
.006
X.XX DENOTES DIMENSIONS
X.XX IN MILLIMETERS
Ordering Information(1,2,3)
Ordering Code
Package Code
Package Description
PI6C4853111FAE
FA
Pb-free & Green, 32-pin TQFP
Notes:
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
2. E = Pb-free & Green
3. X suffix = Tape/Reel
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
06-0052
5
PS8805B
04/18/06