NM27C040Q150 Datasheet

IC型號：
NM27C040Q150
PDF描述：
4,194,304-Bit (512K x 8) High Performance CMOS EPROM
文件大?。?/label>
115.00KB
PDF頁數(shù)：
11頁
芯片廠家：
FAIRCHILD

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NM27C040 4,194,304-Bit (512K x 8) High Performance CMOS EPROM

February 1999

NM27C040

4,194,304-Bit (512K x 8) High Performance

CMOS EPROM

General Description

The NM27C040 is a high performance, 4,194,304-bit Electrically

Programmable UV Erasable Read Only Memory. It is organized

as 512K words of 8 bits each. Its pin-compatibility with byte-wide

JEDEC EPROMs enables upgrades through 8 Mbit EPROMs.

The 鈥淒on鈥檛 Care鈥?feature on V

during read operations allows

memory expansions from 1M to 8 Mbits with no printed circuit

board changes.

The NM27C040 provides microprocessor-based systems exten-

sive storage capacity for large portions of operating system and

application software. Its 120ns access time provides high speed

operation with high-performance CPUs. The NM27C040 offers a

single chip solution for the code storage requirements of 100%

firmware-based equipment. Frequently used software routines

are quickly executed from EPROM storage, greatly enhancing

system utility.

The NM27C040 is manufactured using Fairchild鈥檚 advanced

CMOS AMG鈩?EPROM technology.

Features

High performance CMOS

鈥?120, 150ns access time*

Simplified upgrade path

鈥擵

is a 鈥淒on鈥檛 Care鈥?during normal read operation

Manufacturer鈥檚 identification code

JEDEC standard pin configuration

鈥?32-pin PDIP

鈥?32-pin PLCC

鈥?32-pin CERDIP

*Note:

New revision meets 70ns. Please check with factory for availability.

Block Diagram

VCC

GND

VPP

CE/PGM

Output Enable,

Chip Enable, and

Program Logic

Data Outputs O0 - O7

Output

Buffers

Y Decoder

Y Gating

A0 - A18

Address

Inputs

.......

4,194,304-Bit

Cell Matrix

X Decoder

DS010836-1

AMG鈩?is a trademark of WSI, Inc.

漏 1999 Fairchild Semiconductor Corporation

NM27C040 Rev. C.1

www.fairchildsemi.com

現(xiàn)有數(shù)量
0現(xiàn)貨
價格
停產(chǎn)
系列
-
包裝
管件
產(chǎn)品狀態(tài)
停產(chǎn)
存儲器類型
非易失
存儲器格式
EPROM
技術(shù)
EPROM - UV
存儲容量
4Mb
存儲器組織
512K x 8
存儲器接口
并聯(lián)
時鐘頻率
-
寫周期時間 - 字，頁
-
訪問時間
150 ns
電壓 - 供電
4.5V ~ 5.5V
工作溫度
0°C ~ 70°C（TA）
安裝類型
通孔
封裝/外殼
32-CDIP（0.685"，17.40mm）窗口
供應(yīng)商器件封裝
32-CDIP

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NM27C040Q150 Datasheet

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