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Product data sheet

Rev. 01 — 17 February 2006

3 of 11

Philips Semiconductors

PCK942P

Low voltage 1 : 18 clock distribution chip

5.2 Pin description

6.

Functional description

6.1 Function table

7.

Limiting values

Table 2:

Pin description

Symbol

Pin

Description

GND

1, 2, 12, 17, 25

ground

OE

3

output enable

n.c.

4

not connected

PECL_CLK,

PECL_CLK

5, 6

differential clock inputs

Q[0:17]

32, 31, 30, 28, 27, 26,

24, 23, 22, 20, 19, 18,

15, 14, 13, 11, 10, 9

outputs

7, 8, 16, 21, 29

supply voltage

Table 3:

Function table

OE

Output

0

high-impedance

1

outputs enabled

Table 4:

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

−0.3

+3.6

V

input voltage

−0.3

V

input current

CMOS inputs

-

±20

mA

storage temperature

−40

+125

°C