Datasheet > 存储 > SRAM> AS7C252MNTF18A-85TQI

AS7C252MNTF18A-85TQI

更新时间： 2024-11-23 23:00:31

品牌	Logo	应用领域
ALSC		静态存储器
页数	文件大小	规格书
18页	416K
描述
2.5V 2M x 18 Flowthrough SRAM with NTD

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数据手册

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January 2005

AS7C252MNTF18A

2.5V 2M x 18 Flowthrough SRAM with NTD^TM

Features

• Byte write enables

• Clock enable for operation hold

• Multiple chip enables for easy expansion

• 2.5V core power supply

• Self-timed write cycles

• Interleaved or linear burst modes

• Snooze mode for standby operation

• Organization: 2,097,152 words × 18 bits

™

• NTD architecture for efficient bus operation

• Fast clock to data access: 7.5/8.5/10 ns

• Fast OE access time: 3.5/4.0 ns

• Fully synchronous operation

• Flow-through mode

• Asynchronous output enable control

• Available in 100-pin TQFP package

Logic block diagram

A[19:0]

Address

burst logic

CLK

CE0

CE1

CE2

Write delay

addr. registers

CLK

R/W

BWa

BWb

Control

logic

CLK

ADV / LD

2M x 18

LBO

SRAM

array

CLK

DQ [a,b]

Data

input

CLK

CEN

Output

buffer

DQ [a,b]

Selection guide

-75

-85

-10

Units

Minimum cycle time

8.5

7.5

325

140

Maximum clock access time

Maximum operating current

Maximum standby current

8.5

300

130

275

130

Maximum CMOS standby current (DC)

1/17/05, v 1.1

Alliance Semiconductor

P. 1 of 18

12 3 4 5 6 7...18

中文翻译

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型号	品牌	获取价格	描述	数据表
AS7C252MNTF18A-85TQIN	ALSC	获取价格	2.5V 2M x 18 Flowthrough SRAM with NTD
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AS7C252MPFD18A-133BIN	ALSC	获取价格	Standard SRAM, 2MX18, 3.8ns, CMOS, PBGA165, LEAD FREE, BGA-165
AS7C252MPFD18A-133TQC	ALSC	获取价格	2.5V 2M x 18 pipelined burst synchronous SRAM
AS7C252MPFD18A-133TQC	ISSI	获取价格	Standard SRAM, 2MX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, TQFP-100
AS7C252MPFD18A-133TQCN	ALSC	获取价格	2.5V 2M x 18 pipelined burst synchronous SRAM
AS7C252MPFD18A-133TQCN	ISSI	获取价格	Standard SRAM, 2MX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, LEAD FREE, TQFP-100
AS7C252MPFD18A-133TQI	ALSC	获取价格	2.5V 2M x 18 pipelined burst synchronous SRAM
AS7C252MPFD18A-133TQI	ISSI	获取价格	Standard SRAM, 2MX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, TQFP-100