CY7C43662-10AC 데이터 시트보기 (PDF) - Cypress Semiconductor

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CY7C43662-10AC

1K/4K/16K x36 x2 Bidirectional Synchronous FIFO

Cypress Semiconductor 

CY7C43642

CY7C43662

CY7C43682

1K/4K/16K x36 x2 Bidirectional

Synchronous FIFO

Features

• High-speed, low-power, bidirectional, First-In, First-Out

(FIFO) memories

• 1Kx36x2 (CY7C43642)

• 4Kx36x2 (CY7C43662)

• 16Kx36x2 (CY7C43682)

• 0.35-micron CMOS for optimum speed/power

• High speed 133-MHz operation (7.5-ns read/write cycle

times)

Logic Block Diagram

• Low power

— ICC= 100 mA

— ISB= 10 mA

• Fully asynchronous and simultaneous read and write

operation permitted

• Mailbox bypass register for each FIFO

• Parallel Programmable Almost Full and Almost Empty

flags

• Retransmit function

• Standard or FWFT mode user selectable

• 120-pin TQFP packaging

• Easily expandable in width and depth

CLKA

CSA

W/RA

ENA

MBA

RT2

RST1

FFA/IRA

AFA

FS0

FS1

A0–35

EFA/ORA

AEA

Port A

Control

Logic

FIFO1,

Mail1

Reset

Logic

MBF2

Mail1

Register

1K/4K/16K

x36

Dual Ported

Memory

Write

Pointer

Read

Pointer

Status

Flag Logic

Programmable

Flag Offset

Registers

Timing

Mode

Status

Flag Logic

Write

Pointer

Read

Pointer

256/512/1K

4K/16K x36

Dual Ported

Memory

Mail2

Register

Port B

Control

Logic

MBF1

CLKB

CSB

W/RB

ENB

MBB

RT1

EFB/ORB

AEB

B0–35

FWFT/STAN

FFB/IRB

AFB

FIFO2,

Mail2

Reset

Logic

RST2

Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600

Document #: 38-06019 Rev. *B

Revised December 26, 2002

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