Datasheet > 70V25S20J8

70V25S20J8

更新时间： 2024-12-01 06:59:07

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
25页	211K
描述
PLCC-84, Reel

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中文翻译

获取价格

数据手册

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70V25S20J8 数据手册

HIGH-SPEED 3.3V

8/4K x 18 DUAL-PORT

8/4K x 16 DUAL-PORT

STATIC RAM

IDT70V35/34S/L

IDT70V25/24S/L

◆

Features

Separate upper-byte and lower-byte control for multiplexed

bus compatibility

IDT70V35/34 (IDT70V25/24) easily expands data bus 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

Full on-chip hardware support of semaphore signaling

between ports

Fully asynchronous operation from either port

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

Available in a 100-pin TQFP (IDT70V35/24) & (IDT70V25/24),

86-pin PGA (IDT70V25/24) and 84-pin PLCC (IDT70V25/24)

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

for selected speeds

◆

True Dual-Ported memory cells which allow simultaneous

◆

reads of the same memory location

High-speed access

◆

IDT70V35/34

– Commercial:15/20/25ns (max.)

– Industrial:20ns

◆

IDT70V25/24

– Commercial:15/20/25/35/55ns(max.)

– Industrial:20/25ns

Low-power operation

◆

– IDT70V35/34S

– IDT70V35/34L

Active: 430mW (typ.)

Standby: 3.3mW (typ.)

Active: 415mW (typ.)

Standby: 660µW (typ.)

◆

– IDT70V25/24S

–

IDT70V25/24L

Active: 400mW (typ.)

Standby: 3.3mW (typ.)

Active: 380mW (typ.)

Standby: 660µW (typ.)

Green parts available, see ordering information

Functional Block Diagram

R/W

UBL

(5)

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)

12R

(1)

12L

Address

Decoder

MEMORY

ARRAY

Address

Decoder

A0L

ARBITRATION

INTERRUPT

SEMAPHORE

LOGIC

R/W

SEM

INTL

(3)

INTR

M/S

5624 drw 01

NOTES:

1. A¹²is a NC for IDT70V34 and for IDT70V24.

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 IDT70V25/24.

5. I/O⁸x - I/O15x for IDT70V25/24.

OCTOBER 2008

DSC-5624/7

12 3 4 5 6 7...25

中文翻译

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与70V25S20J8相关器件

型号	品牌	获取价格	描述	数据表
70V25S20JGI	IDT	获取价格	Dual-Port SRAM, 8KX16, 20ns, CMOS, PQCC84, 1.150 X 1.150 INCH, 0.170 INCH HEIGHT, GREEN, P
70V25S20JGI8	IDT	获取价格	Dual-Port SRAM
70V25S20JI	IDT	获取价格	Dual-Port SRAM, 8KX16, 20ns, CMOS, PQCC84, 1.150 X 1.150 INCH, 0.170 INCH HEIGHT, PLASTIC,
70V25S20PF	IDT	获取价格	TQFP-100, Tray
70V25S20PF9	IDT	获取价格	Dual-Port SRAM, 8KX16, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-100
70V25S20PFGI8	IDT	获取价格	Dual-Port SRAM
70V25S20PFI	IDT	获取价格	Dual-Port SRAM, 8KX16, 20ns, CMOS, PQFP100, 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-100
70V25S20PFI8	IDT	获取价格	Multi-Port SRAM, 8KX16, 20ns, CMOS, PQFP100
70V25S25GG	IDT	获取价格	Dual-Port SRAM, 8KX16, 25ns, CMOS, CPGA84, 1.120 X 1.120 INCH, 0.160 INCH HEIGHT, GREEN, C
70V25S25GGI	IDT	获取价格	Dual-Port SRAM, 8KX16, 25ns, CMOS, CPGA84, 1.120 X 1.120 INCH, 0.160 INCH HEIGHT, GREEN, C

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