ICSSSTUAF32868B

28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2

COMMERCIAL TEMPERATURE GRADE

28-BIT CONFIGURABLE REGISTERED BUFFER FOR DDR2

12

ICSSSTUAF32868B

7102/2

Operating Characteristics, TA = 25

°C

The RESET and Cn inputs of the device must be held at valid levels (not floating) to ensure proper device operation.

The differential inputs must not be floating unless RESET is Low.

Symbol

Parameter

Min.

Typ.

Max.

Units

VDD

I/O Supply Voltage

1.7

1.8

1.9

V

VREF

Reference Voltage

0.49 * VDD

0.5 * VDD

0.51 * VDD

V

VTT

Termination Voltage

VREF - 0.04

VREF

VREF + 0.04

V

VI

Input Voltage

0

VDD

V

VIH

AC High-Level Input Voltage

Data CSR

and

PAR_IN

inputs

VREF + 0.25

V

VIL

AC Low-Level Input Voltage

VREF - 0.25

VIH

DC High-Level Input Voltage

VREF + 0.125

VIL

DC Low-Level Input Voltage

VREF - 0.125

VIH

High-Level Input Voltage

RESET,

C0, C1

0.65 * VDDQ

V

VIL

Low-Level Input Voltage

0.35 * VDDQ

VICR

Common Mode Input Range

CLK, CLK

0.675

1.125

V

VID

Differential Input Voltage

600

mV

IOH

High-Level Output Current

-6

mA

IOL

Low-Level Output Current

6

TA

Operating Free-Air Temperature

0

+70

°C