Datasheet > 存储 > SRAM> IDT70T35L20BFI

IDT70T35L20BFI

更新时间： 2024-10-28 22:57:19

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
21页	159K
描述
HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM

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中文翻译

获取价格

数据手册

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IDT70T35L20BFI 数据手册

HIGH-SPEED 2.5V

8/4K x 18 DUAL-PORT

8/4K x 16 DUAL-PORT

STATIC RAM

PRELIMINARY

IDT70T35/34L

IDT70T25/24L

Features

◆

width to 36 bits (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

BUSY and Interrupt Flag

On-chip port arbitration logic

True Dual-Ported memory cells which allow simultaneous

reads of the same memory location

High-speed access

◆

IDT70T35/34L (IDT70T25/24L)

– Commercial:20/25ns (max.)

– Industrial:25ns (max.)

◆

Full on-chip hardware support of semaphore signaling

between ports

Low-power operation

– IDT70T35/34L (IDT70T25/24L)

Active:200mW(typ.)

◆

Fully asynchronous operation from either port

LVTTL-compatible, single 2.5V (±100mV) power supply

Available in a 100-pin Thin Quad Flatpack (TQFP) package

and 100-pin fine pitch Ball Grid Array (fpBGA)

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

for selected speeds

Standby: 600µW (typ.)

Separate upper-byte and lower-byte control for multiplexed

◆

bus compatibility

IDT70T35/34L (IDT70T25/24L) easily expands data bus

◆

Functional Block Diagram

R/W

UBL

(5)

(4)

I/O9R-I/O17R

I/O9L-I/O17L

I/O

Control

I/O

Control

(4)

I/O0R-I/O8R

I/O0L-I/O8L

(2,3)

BUSY

(1)

12L

(1)

12R

Address

Decoder

MEMORY

ARRAY

Address

Decoder

A0L

A0R

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

R/W

SEM

(3)

INTR

M/S

INTL

5639 drw 01

NOTES:

1. A12 is a NC for IDT70T34 and IDT70T24.

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

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

4. I/O0x - I/O7x for IDT70T25/24.

5. I/O8x - I/O15x for IDT70T25/24.

DECEMBER 2002

DSC-5639/2

12 3 4 5 6 7...21

中文翻译

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与IDT70T35L20BFI相关器件

型号	品牌	获取价格	描述	数据表
IDT70T35L20PF	IDT	获取价格	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM
IDT70T35L20PF8	IDT	获取价格	Dual-Port SRAM, 8KX18, 20ns, CMOS, PQFP100, PLASTIC, TQFP-100
IDT70T35L20PFG	IDT	获取价格	Dual-Port SRAM, 8KX18, 20ns, CMOS, PQFP100, PLASTIC, TQFP-100
IDT70T35L20PFI	IDT	获取价格	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM
IDT70T35L25BF	IDT	获取价格	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM
IDT70T35L25BFGI	IDT	获取价格	Dual-Port SRAM, 8KX18, 25ns, CMOS, PBGA100, FPBGA-100
IDT70T35L25BFI	IDT	获取价格	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM
IDT70T35L25PF	IDT	获取价格	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM
IDT70T35L25PF8	IDT	获取价格	Dual-Port SRAM, 8KX18, 25ns, CMOS, PQFP100, PLASTIC, TQFP-100
IDT70T35L25PFGI	IDT	获取价格	Dual-Port SRAM, 8KX18, 25ns, CMOS, PQFP100, PLASTIC, TQFP-100

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