Datasheet > MCM6249WJ20

MCM6249WJ20

更新时间： 2024-09-24 22:14:03

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		存储
页数	文件大小	规格书
7页	120K
描述
1M x4 Bit Static Random Access Memory

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MCM6249WJ20 数据手册

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SEMICONDUCTOR TECHNICAL DATA

MCM6249

1M x 4 Bit Static Random

Access Memory

The MCM6249 is a 4,194,304 bit static random access memory organized as

1,048,576 words of 4 bits, fabricated using high–performance silicon–gate

CMOS technology. Static design eliminates the need for external clocks or timing

strobes, while CMOS circuitry reduces power consumption and provides for

greater reliability.

WJ PACKAGE

400 MIL SOJ

CASE 857A–02

The MCM6249 is equipped with chip enable (E) and output enable (G) pins,

allowing for greater system flexibility and eliminating bus contention problems.

Either input, when high, will force the outputs into high impedance.

TheMCM6249isavailableina400mil, 32–leadsurface–mountSOJpackage.

PIN ASSIGNMENT

•

Single 5 V ± 10% Power Supply

Fast Access Time: 20/25/35 ns

Equal Address and Chip Enable Access Time

All Inputs and Outputs are TTL Compatible

Three–State Outputs

A17

A19

Power Operation: 190/175/160 mA Maximum, Active AC

DQ3

DQ0

BLOCK DIAGRAM

A13

A12

DQ2

DQ1

A11

A10

A13

A16

A15

A14

MEMORY MATRIX

1024 ROWS x

4096 COLUMNS

A18

A10

A11

A12

ROW

DECODER

PIN NAMES

A0 – A19 . . . . . . . . . . . . Address Inputs

W . . . . . . . . . . . . . . . . . . . . Write Enable

G . . . . . . . . . . . . . . . . . . . Output Enable

E . . . . . . . . . . . . . . . . . . . . . . Chip Enable

DQ0 – DQ3 . . . . . . . . Data Input/Output

NC . . . . . . . . . . . . . . . . . No Connection

COLUMN I/O

DQ0

DQ3

COLUMN DECODER

INPUT

DATA

CONTROL

. . . . . . . . . . . . + 5 V Power Supply

. . . . . . . . . . . . . . . . . . . . . . . Ground

A18 A17 A16 A15 A14 A19 A3 A2 A1

DQ0

DQ3

REV 4

5/95

Motorola, Inc. 1995

MOTOROLA FAST SRAM

MCM6249

12 3 4 5 6 7

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与MCM6249WJ20相关器件

型号	品牌	获取价格	描述	数据表
MCM6249WJ20R2	MOTOROLA	获取价格	1M x4 Bit Static Random Access Memory
MCM6249WJ25	MOTOROLA	获取价格	1M x4 Bit Static Random Access Memory
MCM6249WJ25R2	MOTOROLA	获取价格	1M x4 Bit Static Random Access Memory
MCM6249WJ30	MOTOROLA	获取价格	1MX4 STANDARD SRAM, 30ns, PDSO32, 0.400 INCH, SOJ-32
MCM6249WJ30R2	MOTOROLA	获取价格	1MX4 STANDARD SRAM, 30ns, PDSO32, 0.400 INCH, SOJ-32
MCM6249WJ35	MOTOROLA	获取价格	1M x4 Bit Static Random Access Memory
MCM6249WJ35R2	MOTOROLA	获取价格	1M x4 Bit Static Random Access Memory
MCM6257L10D	MOTOROLA	获取价格	IC,DRAM,NIBBLE MODE,256KX1,MOS,DIP,16PIN,CERAMIC
MCM6257L10DS	MOTOROLA	获取价格	Nibble Mode DRAM, 256KX1, 100ns, MOS, CDIP16
MCM6257L12	MOTOROLA	获取价格	IC,DRAM,NIBBLE MODE,256KX1,MOS,DIP,16PIN,CERAMIC