ICS842S104CG REVISION A MARCH 17, 2010

2

©2010 Integrated Device Technology, Inc.

ICS842S104 Data Sheet

CRYSTAL-TO- HSTL 100MHZ / 200MHZ PCI EXPRESS™ CLOCK SYNTHESIZER

Table 1. Pin Descriptions

NOTE: Pullup refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.

Table 2. Pin Characteristics

Number

Name

Type

Description

1, 2

SRCT3, SRCC3

Output

Differential output pair. HSTL interface levels.

3, 9,

11, 13, 16

Power

Power supply ground.

4, 22

Power

Output power supply pins.

5, 6

SRCT2, SRCC2

Output

Differential output pair. HSTL interface levels.

7, 8

SRCT1, SRCC1

Output

Differential output pair. HSTL interface levels.

10, 17

Power

Core supply pins.

12, 15

nc

Unused

No connect.

14

Power

Analog supply for PLL.

18, 19

XTAL_IN, XTAL_OUT

Input

Crystal oscillator interface. XTAL_IN is the input. XTAL_OUT is the output.

20

SCLK

Input

Pullup

LVCMOS/LVTTL interface levels.

21

SDATA

I/O

Pullup

LVCMOS/LVTTL interface levels.

23, 24

SRCT4, SRCC4

Output

Differential output pair. HSTL interface levels.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

Input Capacitance

2pF

Input Pullup Resistor

51

k

Ω