ICS853S012I Data Sheet 12-:1, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL CLOCK/DATA MULTIPLEXER
ICS853S0121AKI REVISION A SEPTEMBER 28, 2012 2 ©2012 Integrated Device Technology, Inc.
Table 1. Pin Descriptions
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Number Name Type Description
1 CLK2 Input Pulldown Non-inverting differential clock input.
2 nCLK2 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
3V
CC
Power Positive supply pin.
4, 5
Q, nQ
Output Differential output pair. LVPECL interface levels.
6V
EE
Power Negative supply pin.
7 CLK3 Input Pulldown Non-inverting differential clock input.
8 nCLK3 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
9 nCLK4 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
10 CLK4 Input Pulldown Inverting differential clock input.
11 nCLK5 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
12 CLK5 Input Pulldown Inverting differential clock input.
13 CLK6 Input Pulldown Non-inverting differential clock input.
14 nCLK6 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
15 CLK7 Input Pulldown Non-inverting differential clock input.
16 nCLK7 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
17 nCLK8 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
18 CLK8 Input Pulldown Inverting differential clock input.
19, 20,
21, 22
SEL3, SEL2,
SEL1, SEL0
Input Pulldown Clock select input pins. LVCMOS/LVTTL interface levels.
23 nCLK9 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
24 CLK9 Input Pulldown Inverting differential clock input.
25 nCLK10 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
26 CLK10 Input Pulldown Inverting differential clock input.
27 nCLK11 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
28 CLK11 Input Pulldown Inverting differential clock input.
29 CLK0 Input Pulldown Inverting differential clock input.
30 nCLK0 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
31 CLK1 Input Pulldown Inverting differential clock input.
32 nCLK1 Input
Pullup/
Pulldown
Inverting differential clock input. V
CC
/2 default when left floating.
