Datasheet > 723631L20PQF9

723631L20PQF9

更新时间： 2024-11-20 03:11:43

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
21页	219K
描述
FIFO, 512X36, 13ns, Synchronous, CMOS, PQFP132, PLASTIC, QFP-132

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723631L20PQF9 数据手册

CMOS SyncFIFO™

512 x 36

IDT723631

IDT723641

IDT723651

1,024 x 36

2,048 x 36

• Output Ready (OR) and Almost-Empty (AE) flags synchronized

by CLKB

• Available in 132-pin plastic quad flat package (PQFP) or space-

saving 120-pin thin quad flat package (TQFP)

• Industrial temperature range (–40°C to +85°C) is available

FEATURES:

• Storage capacity:

IDT723631 - 512 x 36

IDT723641 - 1,024 x 36

IDT723651 - 2,048 x 36

• Supports clock frequencies up to 67 MHz

• Fast access times of 11ns

DESCRIPTION:

• Free-running CLKA and CLKB can be asynchronous or coinci-

dent (permits simultaneous reading and writing of data on a

single clock edge)

• Clocked FIFO buffering data from Port A to Port B

• Synchronous read retransmit capability

• Mailbox register in each direction

• Programmable Almost-Full and Almost-Empty flags

• Microprocessor interface control logic

• Input Ready (IR) and Almost-Full (AF) flags synchronized by

CLKA

The IDT723631/723641/723651 is a monolithic high-speed, low-power,

CMOS clocked FIFO memory. It supports clock frequencies up to 67 MHz

and has read access times as fast as 12ns. The 512/1,024/2,048 x 36

dual-port SRAM FIFO buffers data from port A to Port B. The FIFO memory

has retransmit capability, which allows previously read data to be ac-

cessed again. The FIFO has flags to indicate empty and full conditions and

two programmable flags (Almost-Full and Almost-Empty) to indicate when a

selected number of words is stored in memory. Communication between

each port may take place with two 36-bit mailbox registers. Each mailbox

FUNCTIONALBLOCKDIAGRAM

MBF1

Mail 1

CLKA

CSA

W/RA

ENA

MBA

Port-A

Control

Logic

RAM ARRAY

512 x 36

1,024 x 36

2,048 x 36

Reset

Logic

RST

RTM

Read

Pointer

Write

Pointer

RFM

- A35

B0 - B35

Status Flag

Logic

/SD

Flag Offset

Registers

FS /SEN

CLKB

CSB

W/RB

ENB

MBB

Port-B

Control

Logic

Mail 2

3023 drw01

MBF2

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

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

SEPTEMBER 2002

DSC-2023/5

12 3 4 5 6 7...21

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与723631L20PQF9相关器件

型号	品牌	获取价格	描述	数据表
723631L20PQFG	IDT	获取价格	FIFO, 512X36, 13ns, Synchronous, CMOS, PQFP132, PLASTIC, QFP-132
723631L20PQFGI	IDT	获取价格	FIFO, 512X36, 13ns, Synchronous, CMOS, PQFP132, PLASTIC, QFP-132
723631L20PQFI	IDT	获取价格	PQFP-132, Tray
723632	RENESAS	获取价格	512 x 36 x 2 SyncBiFIFO, 5.0V
723632L12PF8	IDT	获取价格	TQFP-120, Reel
723632L12PFG	IDT	获取价格	Bi-Directional FIFO, 512X36, 8ns, Synchronous, CMOS, PQFP120, TQFP-120
723632L12PQFG	IDT	获取价格	Bi-Directional FIFO, 512X36, 8ns, Synchronous, CMOS, PQFP132, PLASTIC, QFP-132
723632L15PF8	IDT	获取价格	TQFP-120, Reel
723632L15PFG	IDT	获取价格	CMOS SyncBiFIFO
723632L15PFG8	IDT	获取价格	CMOS SyncBiFIFO

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