Datasheet > AS7C3256-20JC

AS7C3256-20JC

更新时间： 2024-09-08 21:00:55

品牌	Logo	应用领域
ALSC		静态存储器光电二极管内存集成电路
页数	文件大小	规格书
9页	124K
描述
Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOJ-28

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数据手册

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AS7C3256-20JC 数据手册

September 2001

AS7C256

AS7C3256

5V/ 3.3V 32K X 8 CMOS SRAM (Common I/ O)

Features

• AS7C256 (5V version)

• Very low power consumption: STANDBY

- 22 mW (AS7C256) / max CMOS I/ O

- 7.2 mW (AS7C3256) / max CMOS I/ O

• Easy memory expansion with CE and OE inputs

• TTL-compatible, three-state I/ O

• 28-pin JEDEC standard packages

- 300 mil PDIP

- 300 mil SOJ

- 8 × 13.4 mm TSOP 1

• ESD protection ≥ 2000 volts

• Latch-up current ≥ 200 mA

• AS7C3256 (3.3V version)

• Industrial and commercial temperature

• Organization: 32,768 words × 8 bits

• High speed

- 12/ 15/ 20 ns address access time

- 6, 7, 8 ns output enable access time

• Very low power consumption: ACTIVE

- 660mW (AS7C256) / max @ 12 ns

- 216mW (AS7C3256) / max @ 12 ns

Logic block diagram

Pin arrangement

28-pin TSOP 1 (8×13.4 mm)

28-pin DIP, SOJ (300 mil)

GND

Input buffer

A14

A12

ꢀꢈ

A13

ꢀꢁ

A11

A10

(22)

(23)

(24)

(25)

(26)

(27)

(28)

(1)

(21) 28

(20) 27

(19) 26

(18) 25

(17) 24

(16) 23

(15) 22

(14) 21

(13) 20

(12) 19

(11) 18

(10) 17

(9) 16

(8) 15

I/ O7

I/ O6

I/ O5

I/ O4

I/ O3

GND

I/ O2

I/ O1

I/ O0

I/ O7

I/ O0

A13

ꢀꢂ

256 X 128 X 8

Array

A11

A10

I/ O7

ꢃꢄꢅꢆ

I/ O5

I/ O4

ꢃꢄꢅꢇ

AS7C256

AS7C3256

A14

A12

(2)

(3)

(4)

(262,144)

(5)

(6)

I/ O0

ꢃꢄꢅꢉ

ꢃꢄꢅꢊ

GND

(7)

A14

Note: This part is compatible with both pin numbering

conventions used by various manufacturers.

Column decoder

Control

circuit

A A A A

10 11 12 13

Selection guide

-12

-15

-20

Unit

Maximum address access time

Maximum output enable access time

AS7C256

120

115

110

Maximum operating current

AS7C3256

AS7C256

AS7C3256

Maximum CMOS standby current

9/ 18/ 01; v.1.6

Alliance Semiconductor

P. 1 of 9

12 3 4 5 6 7...9

中文翻译

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与AS7C3256-20JC相关器件

型号	品牌	获取价格	描述	数据表
AS7C3256-20JI	ALSC	获取价格	Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOJ-28
AS7C3256-20PC	ALSC	获取价格	Standard SRAM, 32KX8, 20ns, CMOS, PDIP28, 0.300 INCH, PLASTIC, DIP-28
AS7C3256-20TC	ALSC	获取价格	Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28
AS7C3256-25JC	ETC	获取价格	x8 SRAM
AS7C3256-25PC	ETC	获取价格	x8 SRAM
AS7C3256-25TC	ETC	获取价格	x8 SRAM
AS7C3256A	ALSC	获取价格	3.3V 32K X 8 CMOS SRAM (Common I/O)
AS7C3256A-10JC	ALSC	获取价格	3.3V 32K X 8 CMOS SRAM (Common I/O)
AS7C3256A-10JCN	ALSC	获取价格	3.3V 32K X 8 CMOS SRAM (Common I/O)
AS7C3256A-10JI	ALSC	获取价格	3.3V 32K X 8 CMOS SRAM (Common I/O)