Datasheet > 70V261L55PFGI

70V261L55PFGI

更新时间： 2022-02-26 09:01:06

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
17页	338K
描述
HIGH-SPEED 3.3V 16K x 16 DUAL-PORT STATIC RAM

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70V261L55PFGI 数据手册

IDT70V261S/L

High-Speed 16K x 16 Dual-Port Static RAM with Interrupt

Industrial and Commercial Temperature Ranges

Truth Table I: Non-Contention Read/Write Control

Inputs⁽¹⁾

Outputs

R/W

I/O8-15

High-Z

DATAIN

High-Z

DATAIN

I/O0-7

High-Z

DATAIN

High-Z

DATAOUT

High-Z

Mode

Deselected: Power-Down

SEM

Both Bytes Deselected: Power-Down

Write to Upper Byte Only

Write to Lower Byte Only

Write to Both Bytes

DATAOUT

High-Z

Read Upper Byte Only

Read Lower Byte Only

Read Both Bytes

DATAOUT

High-Z

Outputs Disabled

3040 tbl 02

NOTE:

1. A0L — A13L ≠ A0R — A13R

Truth Table II: Semaphore Read/Write Control⁽¹⁾

Inputs⁽¹⁾

Outputs

R/W

I/O^8-15

I/O0-7

Mode

Read Data in Semaphore Flag

SEM

DATAOUT

DATA^OUT

DATAIN

DATAOUT

DATAIN

Write I/O

into Semaphore Flag

↑

DATA^IN

DATAIN

Write I/O

↑

____

Not Allowed

____

3040 tbl 03

NOTE:

1. There are eight semaphore flags written to via I/O0 and read from all I/O's (I/O0-I/O15). These eight semaphores are addressed by A0-A2.

6.42

1 234 5 6 7...17

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