IDT54FCT16270ATE datasheet, PDF

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IDT54FCT16270ATE: DescriptionFAST CMOS 18-BIT R/W BUFFER; File Size76KB，9 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT54FCT16270ATE Overview

FAST CMOS 18-BIT R/W BUFFER

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FAST CMOS 18-BIT

R/W BUFFER

Integrated Device Technology, Inc.

IDT54/74FCT162701T/AT

FEATURES:

•

0.5 MICRON CMOS Technology

Typical t

(o) (Output Skew) < 250ps

Low input and output leakage

≤1µA

(max.)

ESD > 2000V per MIL-STD-883, Method 3015;

> 200V using machine model (C = 200pF, R = 0)

Packages include 25 mil pitch SSOP, 19.6 mil pitch TSSOP,

15.7 mil pitch TVSOP and 25 mil pitch Cerpack

Extended commercial range of -40°C to +85°C

Balanced Output Drivers:

±24mA

(commercial),

±16mA

(military)

Reduced system switching noise

Typical V

OLP

(Output Ground Bounce) < 0.6V at

= 5V, T

= 25°C

Ideal for new generation x86 write-back cache solutions

Suitable for modular x86 architectures

Four deep write FIFO

Latch in read path

Synchronous FIFO reset

DESCRIPTION:

The FCT162701T/AT is an 18-bit Read/Write buffer with

a four deep FIFO and a read-back latch. It can be used as

a read/write buffer between a CPU and memory or to

interface a high-speed bus and a slow peripheral. The A-

to-B (write) path has a four deep FIFO for pipelined opera-

tions. The FIFO can be reset and a FIFO full condition is

indicated by the full flag (

). The B-to-A (read) path has a

latch. A HIGH on LE, allows data to flow transparently from

B-to-A. A LOW on LE allows the data to be latched on the

falling edge of LE.

The FCT162701T/AT has a balanced output drive with

series termination. This provides low ground bounce,

minimal undershoot and controlled output edge rates.

FUNCTIONAL BLOCK DIAGRAM

1-18

OEBA

RESET

CLK

WCE

RCE

FIFO

(4 deep)

LATCH

OEAB

2915 drw 01

1-18

The IDT logo is a registered trademark of Integrated Device Techology, Inc.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

Integrated Device Technology, Inc.

AUGUST 1996

DSC-2915/3

5.15

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