IDT7202LA40DB datasheet, PDF - EEWORLD Datasheet

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IDT7202LA40DB: Description512 X 9 OTHER FIFO, 20 ns, CDIP28; Categorystorage; File Size105KB，14 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT7202LA40DB Overview

512 X 9 OTHER FIFO, 20 ns, CDIP28

IDT7202LA40DB Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	28
Maximum operating temperature	125 Cel
Minimum operating temperature	-55 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.5 V
Rated supply voltage	5 V
maximum access time	20 ns
Processing package description	0.600 INCH, Ceramic, DIP-28
state	ACTIVE
Craftsmanship	CMOS
packaging shape	Rectangle
Package Size	IN-line
Terminal form	THROUGH-hole
Terminal spacing	2.54 mm
terminal coating	tin lead
Terminal location	pair
Packaging Materials	Ceramic, Glass-SEALED
Temperature level	MILITARY
memory width	9
organize	512 × 9
storage density	4608 deg
operating mode	ASYNCHRONOUS
Number of digits	512 words
Number of digits	512
cycle	30 ns
Memory IC type	Other first in first out

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CMOS ASYNCHRONOUS FIFO

256 x 9, 512 x 9, 1K x 9

Integrated Device Technology, Inc.

IDT7200L

IDT7201LA

IDT7202LA

FEATURES:

•

First-In/First-Out dual-port memory

256 x 9 organization (IDT7200)

512 x 9 organization (IDT7201)

1K x 9 organization (IDT7202)

Low power consumption

— Active: 770mW (max.)

—Power-down: 2.75mW (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

Industrial temperature range (-40oC to +85oC) is

available, tested to military electrical specifications

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 (

) and Read (

) pins.

The devices utilizes 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 (

) 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.

The IDT7200/7201/7202 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.

•

FUNCTIONAL BLOCK DIAGRAM

DATA INPUTS

–D

)

WRITE

CONTROL

WRITE

POINTER

RAM

ARRAY

256 x 9

512 x 9

1024 x 9

READ

POINTER

READ

CONTROL

THREE-

STATE

BUFFERS

DATA OUTPUTS

–Q

)

RESET

LOGIC

FLAG

LOGIC

EXPANSION

LOGIC

2679 drw 01

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

MILITARY AND COMMERCIAL TEMPERATURE RANGES

Integrated Device Technology, Inc.

For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.

DECEMBER 1996

DSC-2679/7

5.03

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