Datasheet > AS7C251MNTD18A-166BIN

AS7C251MNTD18A-166BIN

更新时间： 2024-11-25 20:04:43

品牌	Logo	应用领域
ALSC		时钟 ISM频段静态存储器内存集成电路
页数	文件大小	规格书
22页	445K
描述
ZBT SRAM, 1MX18, 8.5ns, CMOS, PBGA165, LEAD FREE, BGA-165

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April 2004

AS7C251MNTD18A

2.5V 1M x 18 SRAM with NTD^TM

Features

• Organization: 1,048,576 words × 18 bits

• NTD^™1architecture for efficient bus operation

• Fast clock speeds to 166 MHz in LVTTL/LVCMOS

• Fast clock to data access: 3.5/3.8 ns

• Fast OE access time: 3.5/3.8 ns

• Asynchronous output enable control

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

age

• 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

1. NTD^TMis a trademark of Alliance Semiconductor Corporation. All trade-

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

•

Boundary scan using IEEE 1149.1 JTAG function

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

1M x 18

SRAM

array

LBO

CLK

DQ [a,b]

Data

input

CLK

CEN

CLK

Output

DQ [a,b]

Selection guide

-166

-133

7.5

133

3.8

270

Units

Minimum cycle time

Maximum pipelined clock frequency

Maximum pipelined clock access time

Maximum operating current

166

3.5

290

MHz

Maximum standby current

Maximum CMOS standby current (DC)

4/30/04, v.2.1

Alliance Semiconductor

P. 1 of 22

12 3 4 5 6 7...22

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与AS7C251MNTD18A-166BIN相关器件

型号	品牌	获取价格	描述	数据表
AS7C251MNTD18A-166TQC	ALSC	获取价格	2.5V 1M x 18 Pipelined SRAM with NTD
AS7C251MNTD18A-166TQCN	ALSC	获取价格	2.5V 1M x 18 Pipelined SRAM with NTD
AS7C251MNTD18A-166TQI	ALSC	获取价格	2.5V 1M x 18 Pipelined SRAM with NTD
AS7C251MNTD18A-166TQIN	ALSC	获取价格	2.5V 1M x 18 Pipelined SRAM with NTD
AS7C251MNTD18A-200BC	ISSI	获取价格	ZBT SRAM, 1MX18, 7.5ns, CMOS, PBGA165, BGA-165
AS7C251MNTD18A-200BI	ISSI	获取价格	ZBT SRAM, 1MX18, 7.5ns, CMOS, PBGA165, BGA-165
AS7C251MNTD18A-200TQC	ISSI	获取价格	ZBT SRAM, 1MX18, 7.5ns, CMOS, PQFP100, 14 X 20 MM, TQFP-100
AS7C251MNTD18A-200TQI	ISSI	获取价格	ZBT SRAM, 1MX18, 7.5ns, CMOS, PQFP100, 14 X 20 MM, TQFP-100
AS7C251MNTD18A-225BC	ISSI	获取价格	ZBT SRAM, 1MX18, 6.9ns, CMOS, PBGA165, BGA-165
AS7C251MNTD18A-225BI	ISSI	获取价格	ZBT SRAM, 1MX18, 6.9ns, CMOS, PBGA165, BGA-165