Datasheet > AS7C251MNTD32A-200BI

AS7C251MNTD32A-200BI

更新时间： 2024-11-26 03:49:07

品牌	Logo	应用领域
ALSC		静态存储器
页数	文件大小	规格书
22页	453K
描述
ZBT SRAM, 1MX32, 6.5ns, CMOS, PBGA165, BGA-165

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AS7C251MNTD32A-200BI 数据手册

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April 2004

AS7C251MNTD32A

AS7C251MNTD36A

2.5V 1M × 32/36 SRAM with NTD^TM

Features

• Common data inputs and data outputs

• Organization: 1,048,576 words × 32 or 36 bits

• NTD^™1architecture for efficient bus operation

• Fast clock speeds to 200 MHz in LVTTL/LVCMOS

• Fast clock to data access: 3.1/3.4/3.8 ns

• Fast OE access time: 3.1/3.4/3.8 ns

• Asynchronous output enable control

• Available in 100-pin TQFP and 165-ball BGA packages

• Byte write enables

• Clock enable for operation hold

• Multiple chip enables for easy expansion

• 2.5V core power supply

• Fully synchronous operation

• Flow-through or pipelined mode

• Self-timed write cycles

• Interleaved or linear burst modes

• Snooze mode for standby operation

• Boundary scan using IEEE 1149.1 JTAG function

1. NTD™ is a trademark of Alliance Semiconductor Corporation. All trade-

marks mentioned in this document are the property of their respective owners.

Logic block diagram

A[19:0]

Address

Burst logic

CLK

CE0

CE1

CE2

Write delay

addr. registers

CLK

R/W

BWa

Control

logic

CLK

BWb

BWc

BWd

ADV / LD

1M x 32/36

SRAM

LBO

CLK

Array

32/36

DQ[a,b,c,d]

Data

Input

32/36

CLK

32/36

CLK

CEN

CLK

Output

32/36

DQ[a,b,c,d]

Selection guide

-200

-167

-133

7.5

Units

Minimum cycle time

Maximum pipelined clock frequency

Maximum pipelined clock access time

Maximum operating current

200

3.1

400

120

167

3.4

350

110

133

3.8

MHz

325

100

Maximum standby current

Maximum CMOS standby current (DC)

4/26/04, V 1.0

Alliance Semiconductor

P. 1 of 22

12 3 4 5 6 7...22

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与AS7C251MNTD32A-200BI相关器件

型号	品牌	获取价格	描述	数据表
AS7C251MNTD32A-200BIN	ALSC	获取价格	ZBT SRAM, 1MX32, 6.5ns, CMOS, PBGA165, LEAD-FREE, BGA-165
AS7C251MNTD32A-200TQC	ALSC	获取价格	2.5V 1M x 32/36 Pipelined SRAM with NTD
AS7C251MNTD32A-200TQCN	ALSC	获取价格	2.5V 1M x 32/36 Pipelined SRAM with NTD
AS7C251MNTD32A-200TQCN	ISSI	获取价格	ZBT SRAM, 1MX32, 3.2ns, CMOS, PQFP100, 14 X 20 MM, LEAD-FREE, TQFP-100
AS7C251MNTD32A-200TQI	ALSC	获取价格	2.5V 1M x 32/36 Pipelined SRAM with NTD
AS7C251MNTD32A-200TQI	ISSI	获取价格	ZBT SRAM, 1MX32, 3.2ns, CMOS, PQFP100, 14 X 20 MM, TQFP-100
AS7C251MNTD32A-200TQIN	ALSC	获取价格	2.5V 1M x 32/36 Pipelined SRAM with NTD
AS7C251MNTD32A-200TQIN	ISSI	获取价格	ZBT SRAM, 1MX32, 3.2ns, CMOS, PQFP100, 14 X 20 MM, LEAD-FREE, TQFP-100
AS7C251MNTD36A-133BC	ALSC	获取价格	ZBT SRAM, 1MX36, 10ns, CMOS, PBGA165, BGA-165
AS7C251MNTD36A-133BCN	ALSC	获取价格	ZBT SRAM, 1MX36, 10ns, CMOS, PBGA165, LEAD-FREE, BGA-165