Datasheet > IDT7034L20PFI8

IDT7034L20PFI8

更新时间： 2024-11-29 08:28:55

品牌	Logo	应用领域
艾迪悌 - IDT		静态存储器
页数	文件大小	规格书
19页	154K
描述
Dual-Port SRAM, 4KX18, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100

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中文翻译

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数据手册

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IDT7034L20PFI8 数据手册

IDT7034S/L

HIGH-SPEED

4K x 18 DUAL-PORT

STATIC RAM

Features:

◆

using the Master/Slave select when cascading more than

one device

M/S = H for BUSY output flag on Master

M/S = L for BUSY input on Slave

Interrupt Flag

On-chip port arbitration logic

True Dual-Ported memory cells which allow simultaneous

reads of the same memory location

High-speed access

◆

– Commercial:15/20ns (max.)

– Industrial:20ns (max.)

Low-power operation

◆

Full on-chip hardware support of semaphore signaling

between ports

– IDT7034S

Active:850mW(typ.)

Standby: 5mW (typ.)

– IDT7034L

◆

Fully asynchronous operation from either port

Battery backup operation—2V data retention

TTL-compatible, single 5V (±10%) power supply

Available in 100-pin Thin Quad Flatpack

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

for selected speeds

Active:850mW(typ.)

Standby: 1mW (typ.)

Separate upper-byte and lower-byte control for multi-

◆

plexed bus compatibility

IDT7034 easily expands data bus width to 36 bits or more

◆

Functional Block Diagram

I/O9L-I/O17L

I/O0L-I/O8L

I/O9R-I/O17R

I/O

Control

I/O

Control

I/O0R-I/O8R

(1,2)

BUSY ^(1,2)

BUSY

11L

11R

Address

Decoder

MEMORY

ARRAY

Address

Decoder

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

SEM

(2)

INTR

M/S

INTL

4089 drw 01

NOTES:

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

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

AUGUST 2001

DSC 4089/8

12 3 4 5 6 7...19

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IDT7034S20PF	IDT	获取价格	HIGH-SPEED 4K x 18 DUAL-PORT STATIC RAM
IDT7034S20PF8	IDT	获取价格	Dual-Port SRAM, 4KX18, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT7034S20PF9	IDT	获取价格	Dual-Port SRAM, 4KX18, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
IDT7034S20PFG	IDT	获取价格	Dual-Port SRAM, 4KX18, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100