ICS853S004AKI May 27, 2017

2

©2017 Integrated Device Technology, Inc.

ICS853S004I Data Sheet

LOW SKEW, 1-TO-4, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL/ECL FANOUT BUFFER

Table 1. Pin Descriptions

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

Table 2. Pin Characteristics

Number

Name

Type

Description

1, 2

Q1, nQ1

Output

Differential output pair. LVPECL interface levels.

3, 4

Q2, nQ2

Output

Differential output pair. LVPECL interface levels.

5, 6

Q3, nQ3

Output

Differential output pair. LVPECL interface levels.

Power

Negative supply pin.

8

nc

Unused

No connect.

9

PCLK

Input

Pulldown

Non-inverting differential LVPECL clock input.

10

nPCLK

Input

Pullup/

Pulldown

11

Output

Bias voltage.

12, 14

Power

Power supply pins.

13

nEN

Input

Pulldown

Synchronizing clock enable. When LOW, clock outputs follow clock input.

When HIGH, Qx outputs are forced low, nQx outputs are forced high.

Single-ended LVPECL interface levels.

15, 16

Q0, nQ0

Output

Differential output pair. LVPECL interface levels.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

Input Pulldown Resistor

37

k



Pullup/Pulldown Resistors

37

k

