Datasheet > 71V321L55TFG

71V321L55TFG

更新时间： 2024-11-01 00:23:23

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
15页	124K
描述
HIGH SPEED 3.3V 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

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数据手册

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71V321L55TFG 数据手册

HIGH SPEED 3.3V

2K X 8 DUAL-PORT

STATIC RAM WITH

INTERRUPTS

IDT71V321S/L

Features

◆

High-speed access

On-chip port arbitration logic (IDT71V321 only)

◆

BUSY output flag

– Commercial & Industrial: 25/35/55ns (max.)

Low-power operation

– IDT71V321S

— Active: 325mW (typ.)

— Standby: 5mW (typ.)

– IDT71V321L

— Active: 325mW (typ.)

— Standby: 1mW (typ.)

◆

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

◆

Two INT flags for port-to-port communications

FunctionalBlockDiagram

CEL

R/WR

R/W

I/O0L- I/O7L

I/O0R-I/O7R

I/O

Control

I/O

Control

(1,2)

BUSYR

BUSY

10L

10R

Address

Decoder

MEMORY

ARRAY

Address

Decoder

ARBITRATION

and

INTERRUPT

LOGIC

R/W

(2)

INTR

(2)

INT

3026 drw 01

NOTES:

1. IDT71V321(MASTER):BUSYisanoutput

2. BUSYandINTaretotem-poleoutputs.

OCTOBER 2015

DSC-3026/12

12 3 4 5 6 7...15

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