ICS307-03
SERIALLY PROGRAMMABLE CLOCK SOURCE
SER PROG CLOCK SYNTHESIZER
Pin Assignment
X1
VDD
VDD
VDD
GND
GND
GND
CLK1
1
2
3
16
15
14
X2
PD
CLK3
GND
CLK2
DIN
CS
SCLK
ICS307-03
4
5
6
7
8
13
12
11
10
9
16-pin TSSOP
Pin Descriptions
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
X1
VDD
VDD
VDD
GND
GND
GND
CLK1
SCLK
CS
DIN
CLK2
GND
CLK3
PD
X2
XI
Power
Power
Power
Power
Power
Power
Output
Input
Input
Input
Output
Power
Output
Input
-
Connect to input reference clock or crystal.
Power connection for crystal oscillator.
Power connection for PLL.
Power connection for inputs and outputs.
Ground connection for crystal oscillator.
Ground connection for PLL.
Ground connection for inputs and outputs.
Clock 1 output.
Programming interface - Serial clock input. Internal pull-up.
Programming interface - LOAD input. Internal pull-down.
Programming interface - Serial data input. Internal pull-up.
Clock 2 output.
Ground connection.
Clock 3 output.
Crystal, PLL, and outputs are powered-down when low. Internal pull-up.
Connect to crystal. Leave open if reference clock input is used.
IDT™ / ICS™
SERIALLY PROGRAMMABLE CLOCK SOURCE
2
ICS307-03
REV J 090209
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
