Datasheet > 存储 > EPROM> PY291A-20PM

PY291A-20PM

更新时间： 2024-11-18 03:40:31

品牌	Logo	应用领域
PYRAMID		可编程只读存储器
页数	文件大小	规格书
9页	101K
描述
2K X 8 REPROGRAMMABLE PROM

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中文翻译

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数据手册

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PY291A-20PM 数据手册

PY291A

2K ^X8 REPROGRAMMABLE PROM

FEATURES

Windowed devices for reprogramming

EPROM Technology for reprogramming

Fully TTL Compatible Inputs and Outputs

Standard Pinout (JEDEC Approved)

High Speed

– 20/25/35/50 ns (Commercial)

– 35/50 ns (Military)

– 24-Pin 300 mil DIP

Low Power Operation: 660 mW

Single 5V±10% Power Supply

– Windowed CERDIP

– Non-Windowed CERDIP

– Non-Windowed Plastic DIP

DESCRIPTION

To perform a read operation from the device, CS₁is

LOW and CS₂and CS₃are HIGH. The memory contents

intheaddressestablishedbytheAddresspins(A₀toA₁₀)

will become available on the outputs (O₀to O₇).

The PY291A is a 2Kx8 CMOS PROM. The device is

availableinwindowedpackageswhichwhenexposedto

UVlight,thememorycontentinthePROMiserasedand

can be reprogrammed. EPROM technology is used in

the memory cells for programming. The EPROM re-

quires a 12.5V for programming. Devices are tested to

insure that performance of the device meets the DC and

AC specification limits after customer programming.

ThePY291Aisavailablein24-pin300milCeramicDIPs

(CERDIP, Windowed and Non-Windowed) and Plastic

DIPs (Non-Windowed).

FUNCTIONAL BLOCK DIAGRAM

PIN CONFIGURATION

DIP (P4, D4, WD1)

Note: Window on WD1 package only

Document # EPROM101 REV OR

Revised June 2007

12 3 4 5 6 7...9

中文翻译

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