
ICS552A-01
OSCILLATOR, MULTIPLIER, AND BUFFER WITH 8 OUTPUTS
CLOCK MULTIPLIER AND BUFFER
IDT / ICS OSCILLATOR, MULTIPLIER, AND BUFFER WITH 8 OUTPUTS 4
ICS552A-01
REV E 051310
Pin Descriptions (ICS552A-01—B mode)
KEY: CI = clock input with pull-up resistor; I = input with internal pull-up resistor.
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
INA
CI
Input to buffer A. Outputs QA1:4 will be the same frequency. Internal pull-up resistor.
2
DC
—
Do not connect.
3
DC
—
Do not connect.
4
VDD
Power
Connect to +3.3 V or 5.0 V. Must be same as other VDDs.
5VDD
Power
Connect to +3.3 V or 5.0 V. Must be same as other VDDs.
6
GND
Power
Connect to ground.
7
QA1
Output
Output 1 from buffer A.
8
QA2
Output
Output 2 from buffer A.
9
QA3
Output
Output 3 from buffer A.
10
QA4
Output
Output 4 from buffer A.
11
S1
I
Mode Select pin 1. Selects mode for outputs. Must be at GND for all clocks on. Internal
pull-up resistor.
12
QB1
Output
Output 1 from buffer B.
13
QB2
Output
Output 2 from buffer B.
14
GND
Power
Connect to ground.
15
VDD
Power
Connect to +3.3 V or 5.0 V. Must be same as other VDDs.
16
VDD
Power
Connect to +3.3 V or 5.0 V. Must be same as other VDDs.
17
QB3
Output
Output 3 from buffer B.
18
QB4
Output
Output 4 from buffer B.
19
INB
CI
Input to buffer B. Outputs QA1:4 will be the same frequency. Internal pull-up resistor.
20
S0
I
Mode Select pin 0. Selects mode for outputs. Must be at GND for all clocks on. Internal
pull-up resistor.