Datasheet > IDT72240

IDT72240

更新时间： 2024-11-20 23:01:15

品牌	Logo	应用领域
艾迪悌 - IDT		先进先出芯片
页数	文件大小	规格书
16页	167K
描述
CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8

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IDT72240 数据手册

IDT72420

IDT72200

IDT72210

IDT72220

IDT72230

IDT72240

CMOS SyncFIFO

64 x 8, 256 x 8, 512 x 8,

1024 x 8, 2048 x 8 and 4096 x 8

Integrated Device Technology, Inc.

FEATURES:

• 64 x 8-bit organization (IDT72420)

• 256 x 8-bit organization (IDT72200)

• 512 x 8-bit organization (IDT72210)

DESCRIPTION:

The IDT72420/72200/72210/72220/72230/72240

SyncFIFO are very high-speed, low-power First-In, First-

Out (FIFO) memories with clocked read and write controls.

The IDT72420/72200/72210/72220/72230/72240 have a 64,

256, 512, 1024, 2048, and 4096 x 8-bit memory array, respec-

tively. These FIFOs are applicable for a wide variety of data

buffering needs, such as graphics, Local Area Networks

(LANs), and interprocessor communication.

These FIFOs have 8-bit input and output ports. The input

port is controlled by a free-running clock (WCLK), and a write

enable pin (WEN). Data is written into the Synchronous FIFO

on every clock when WEN is asserted. The output port is

controlled by another clock pin (RCLK) and a read enable pin

(REN). The read clock can be tied to the write clock for single

clock operation or the two clocks can run asynchronous of one

another for dual clock operation. An output enable pin (OE) is

provided on the read port for three-state control of the output.

TheseSynchronousFIFOshavetwoend-pointflags, Empty

(EF) and Full (FF). Two partial flags, Almost-Empty (AE) and

Almost-Full (AF), are provided for improved system control.

Thepartial(AE)flagsaresettoEmpty+7andFull-7forAE and

AF respectively.

• 1024 x 8-bit organization (IDT72220)

• 2048 x 8-bit organization (IDT72230)

• 4096 x 8-bit organization (IDT72240)

• 12 ns read/write cycle time (IDT72420/72200/72210)

• 15 ns read/write cycle time (IDT72220/72230/72240)

• Read and write clocks can be asynchronous or

coincidental

• Dual-Ported zero fall-through time architecture

• Empty and Full flags signal FIFO status

• Almost-empty and almost-full flags set to Empty+7 and

Full-7, respectively

• Output enable puts output data bus in high-impedance

state

• Produced with advanced submicron CMOS technology

• Available in 28-pin 300 mil plastic DIP and 300 mil

ceramic DIP

• For surface mount product please see the IDT72421/

72201/72211/72221/72231/72241 data sheet

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

• Industrial temperature range (-40^OC to +85^OC) is

available, tested to military electrical specifications

The IDT72420/72200/72210/72220/72230/72240 are fabri-

cated using IDT’s high-speed submicron CMOS technology.

Military grade product is manufactured in compliance with the

latest revision of MIL-STD-883, Class B.

FUNCTIONAL BLOCK DIAGRAM

D0 - D7

WCLK

WEN

•

INPUT REGISTER

•

FLAG

WRITE CONTROL

LOGIC

•

RAM ARRAY

64 x 8

256 x 8

512 x 8

WRITE POINTER

READ POINTER

•

READ CONTROL

LOGIC

OUTPUT REGISTER

•

RESET LOGIC

RCLK

REN

2680 drw 01

Q0 - Q7

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

MILITARY AND COMMERCIAL TEMPERATURE RANGES

NOVEMBER 1996

1996 Integrated Device Technology, Inc.

DSC-2680/6

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

5.12

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与IDT72240相关器件

型号	品牌	获取价格	描述	数据表
IDT72240L10TC	IDT	获取价格	FIFO, 4KX8, 6.5ns, Synchronous, CMOS, CDIP28, 0.300 INCH, THIN, SIDE BRAZED, DIP-28
IDT72240L10TP	ETC	获取价格	x8 Synchronous FIFO
IDT72240L10TPG	IDT	获取价格	CMOS SyncFIFO
IDT72240L10TPSCDS-W	ETC	获取价格	x8 Synchronous FIFO
IDT72240L12TC	IDT	获取价格	CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8
IDT72240L12TCB	IDT	获取价格	CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8
IDT72240L12TP	IDT	获取价格	CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8
IDT72240L12TPB	IDT	获取价格	CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8
IDT72240L12TPSCDS-W	ETC	获取价格	x8 Synchronous FIFO
IDT72240L15SCDS-W	IDT	获取价格	FIFO, 4KX8, 10ns, Synchronous, CMOS, DIE

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