Datasheet > 70V261L35PF8

70V261L35PF8

更新时间： 2023-02-26 15:32:21

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
TQFP-100, Reel

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数据手册

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70V261L35PF8 数据手册

HIGH-SPEED 3.3V

16K x 16 DUAL-PORT

STATIC RAM

IDT70V261S/L

◆

Features

IDT70V261 easily expands data bus width to 32 bits or more

using the Master/Slave select when cascading more than

one device

M/S = VIH for BUSY output flag on Master

M/S = VIL for BUSY input on Slave

Interrupt Flag

On-chip port arbitration logic

Full on-chip hardware support of semaphore signaling

between ports

Fully asynchronous operation from either port

TTL-compatible, single 3.3V (±0.3V) power supply

Available in a 100-pin TQFP, Thin Quad Plastic Flatpack

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

for selected speed

◆

True Dual-Ported memory cells which allow simultaneous

access of the same memory location

High-speed access

◆

– Commercial:25/35/55ns(max.)

– Industrial: 25ns (max.)

Low-power operation

◆

– IDT70V261S

Active: 300mW (typ.)

Standby: 3.3mW (typ.)

– IDT70V261L

◆

Active: 300mW (typ.)

Standby: 660µW (typ.)

◆

Separate upper-byte and lower-byte control for multiplexed

bus compatibility

◆

Green parts available, see ordering information

Functional Block Diagram

R/W

I/O8L-I/O15L

I/O0L-I/O7L

I/O8R-I/O15R

I/O

Control

I/O

Control

I/O0R-I/O7R

(1,2)

BUSY

13R

13L

Address

Decoder

MEMORY

ARRAY

Address

Decoder

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

R/W

SEM

INTR

SEM

(2)

M/S

INTL

3040 drw 01

NOTES:

1. (MASTER): BUSY is output; (SLAVE): BUSY is input.

2. BUSY and INT outputs are non-tri-stated push-pull.

SEPTEMBER 2012

DSC-3040/11

12 3 4 5 6 7...17

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