71V321 datasheet(1/16 Pages) RENESAS

Part #	71V321

Description	HIGH SPEED 3.3V 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

PDF	16 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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1 / 16 page

JULY 2019

DSC-3026/14

1

HIGH SPEED 3.3V

2K X 8 DUAL-PORT

STATIC RAM WITH

INTERRUPTS

71V321L

Features

◆

High-speed access

– Commercial & Industrial: 25/35ns (max.)

◆

Low-power operation

– IDT71V321L

— Active: 325mW (typ.)

— Standby: 1mW (typ.)

◆

Two INT flags for port-to-port communications

◆

On-chip port arbitration logic (IDT71V321 only)

◆

BUSY output flag

Functional Block Diagram

NOTES:

1. IDT71V321(MASTER):BUSYisanoutput

2. BUSYandINTaretotem-poleoutputs.

◆

Fully asynchronous operation from either port

◆

Battery backup operation—2V data retention (L only)

◆

TTL-compatible, single 3.3V power supply

◆

Available in 52-pin PLCC, 64-pin TQFP and STQFP

packages

◆

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

for selected speeds

◆

Green parts available, see ordering information

I/O

Control

Address

Decoder

MEMORY

ARRAY

ARBITRATION

and

INTERRUPT

LOGIC

Address

Decoder

I/O

Control

R/

WL

CEL

OEL

BUSYL

A10L

A0L

3026 drw 01

I/O0L-I/O7L

CEL

OEL

R/

WL

INTL

BUSYR

I/O0R-I/O7R

A10R

A0R

INTR

CER

OER

(2)

(1,2)

(2)

R/

WR

CER

OER

11

R/

WR

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