Datasheet > AS7C3256-12TC

AS7C3256-12TC

更新时间： 2024-09-07 23:31:43

品牌	Logo	应用领域
其他 - ETC		内存集成电路静态存储器光电二极管
页数	文件大小	规格书
9页	146K
描述
IC-SMD-SRAM 256K

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中文翻译

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数据手册

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AS7C3256-12TC 数据手册

May 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

A13

A11

A10

I/O7

I/O6

I/O5

I/O4

I/O3

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

256 X 128 X 8

Array

AS7C256

AS7C3256

A14

A12

(2)

(3)

(4)

(262,144)

(5)

(6)

I/O0

I/O1

I/O2

GND

(7)

A14

Note: This part is compatible with both pin numbering

conventions used by various manufacturers.

Column decoder

Control

circuit

10 11 12 13

Selection guide

AS7C256-12

AS7C3256-12

AS7C256-15

AS7C3256-15

AS7C256-20

AS7C3256-20

Unit

Maximum address access time

Maximum output enable access time

AS7C256

AS7C3256

AS7C256

AS7C3256

120

115

110

Maximum operating current

Maximum CMOS standby current

6/11/01; v.1.4

Alliance Semiconductor

P. 1 of 9

12 3 4 5 6 7...9

中文翻译

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与AS7C3256-12TC相关器件

型号	品牌	获取价格	描述	数据表
AS7C3256-15	ALSC	获取价格	High Performance 32Kx8 CMOS SRAM
AS7C3256-15JC	ALSC	获取价格	Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOJ-28
AS7C3256-15JI	ALSC	获取价格	Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOJ-28
AS7C3256-15PC	ETC	获取价格	x8 SRAM
AS7C3256-15TC	ETC	获取价格	x8 SRAM
AS7C3256-15TI	ALSC	获取价格	暂无描述
AS7C3256-20	ALSC	获取价格	High Performance 32Kx8 CMOS SRAM
AS7C3256-20JC	ALSC	获取价格	Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOJ-28
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