PCK940L_1

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

Product data sheet

Rev. 01 — 4 April 2006

4 of 16

Philips Semiconductors

PCK940L

Low voltage 1 : 18 clock distribution chip

6.

Functional description

Refer to Figure 1 “Functional diagram of PCK940L”.

6.1 Function table

7.

Limiting values

8.

Static characteristics

Table 3.

Function table

LVCMOS_CLKSEL

Input

0

PECL_CLK

1

LVCMOS_CLK

Table 4.

Power supply voltage

Supply pin

Voltage level

2.5 V or 3.3 V

± 5%

2.5 V or 3.3 V

± 5%

Table 5.

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

-

±20

mA

storage temperature

−40

+125

°C

Table 6.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

HIGH-level input voltage

LVCMOS_CLK

2.4

-

V

LOW-level input voltage

LVCMOS_CLK

-

-

0.8

V

peak-to-peak input voltage

PECL_CLK

500

-

1000

mV

common mode input voltage range

PECL_CLK

-

V

HIGH-level output voltage

2.4

-

-

V

LOW-level output voltage

-

-

0.5

V

input current

-

-

±200

µA

input capacitance

-

4.0

-

pF

power dissipation capacitance

per output

-

10

-

pF

output impedance

18

23

28

Ω

maximum supply current

-

0.5

1.0

mA