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.
5VDDPower
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.
