IDT7202LA datasheet, PDF - EEWORLD Datasheet

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IDT7202LA: DescriptionCMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9; File Size135KB，14 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT7202LA Overview

CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9

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CMOS ASYNCHRONOUS FIFO

256 x 9, 512 x 9 and 1,024 x 9

IDT7200L

IDT7201LA

IDT7202LA

FEATURES:

•

DESCRIPTION:

The IDT7200/7201/7202 are dual-port memories that load and empty data

on a first-in/first-out basis. The devices use Full and Empty flags to prevent data

overflow and underflow and expansion logic to allow for unlimited expansion

capability in both word size and depth.

The reads and writes are internally sequential through the use of ring

pointers, with no address information required to load and unload data. Data

is toggled in and out of the devices through the use of the Write (W) and Read

(R) pins.

The devices utilize a 9-bit wide data array to allow for control and parity bits

at the user’s option. This feature is especially useful in data communications

applications where it is necessary to use a parity bit for transmission/reception

error checking. It also features a Retransmit (RT) capability that allows for reset

of the read pointer to its initial position when

is pulsed LOW to allow for

retransmission from the beginning of data. A Half-Full Flag is available in the

single device mode and width expansion modes.

These FIFOs are fabricated using IDT’s high-speed CMOS technology.

They are designed for those applications requiring asynchronous and

simultaneous read/writes in multiprocessing and rate buffer applications.

Military grade product is manufactured in compliance with the latest revision of

MIL-STD-883, Class B.

•

First-In/First-Out dual-port memory

256 x 9 organization (IDT7200)

512 x 9 organization (IDT7201)

1,024 x 9 organization (IDT7202)

Low power consumption

— Active: 440mW (max.)

—Power-down: 28mW (max.)

Ultra high speed—12ns access time

Asynchronous and simultaneous read and write

Fully expandable by both word depth and/or bit width

Pin and functionally compatible with 720X family

Status Flags: Empty, Half-Full, Full

Auto-retransmit capability

High-performance CEMOS™ technology

Military product compliant to MIL-STD-883, Class B

Standard Military Drawing #5962-87531, 5962-89666, 5962-89863

and 5962-89536 are listed on this function

Dual versions available in the TSSOP package. For more informa-

tion, see IDT7280/7281/7282 data sheet

IDT7280 = 2 x IDT7200

IDT7281 = 2 x IDT7201

IDT7282 = 2 x IDT7202

Industrial temperature range (–40

C to +85

C) is available

(plastic packages only)

FUNCTIONAL BLOCK DIAGRAM

DATA INPUTS

-D

)

WRITE

CONTROL

WRITE

POINTER

RAM

ARRAY

256 x 9

512 x 9

1,024 x 9

READ

POINTER

READ

CONTROL

THREE-

STATE

BUFFERS

DATA OUTPUTS

-Q

)

RESET

LOGIC

FL/RT

FLAG

LOGIC

EXPANSION

LOGIC

XO/HF

2679 drw 01

IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.

COMMERCIAL, INDUSTRIAL AND MILITARY TEMPERATURE RANGES



2002

SEPTEMBER 2002

DSC-2679/9

IDT7202LA Related Products

	IDT7202LA	IDT7200L	IDT7201LA	IDT7202
Description	CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9	CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9	CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9	CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9 and 1,024 x 9

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