Datasheet > PY26425WC

PY26425WC

更新时间： 2024-11-20 21:01:23

品牌	Logo	应用领域
PYRAMID		/
页数	文件大小	规格书
9页	552K
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中文翻译

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数据手册

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PY26425WC 数据手册

PY263/PY264

8K x 8 REPROGRAMMABLE PROM

FEATURES

EPROM Technology for reprogramming

ꢀ High Speed

Windowed devices for reprogramming

Fully TTL Compatible Inputs and Outputs

– 25/35/45/55 ns (Commercial)

– 25/35/45/55 ns (Military)

Standard Pinout (JEDEC Approved)

– 24-Pin 300 mil Windowed CERDIP (PY263)

– 24-Pin 300 mil Non-Windowed Plastic DIP

(PY263)

ꢀ Low Power Operation:

– 24-Pin 600 mil Windowed CERDIP (PY264)

– 24-Pin 600 mil Non-Windowed Plastic DIP

(PY264)

– 660 mW Commercial

– 770 mW Military

Single 5V±10% Power Supply

DESCRIPTION

The PY263 and PY264 are 8Kx8 CMOS PROMs. The

devices are available in windowed packages which when

exposed to UV light, the memory content in the PROM is

erased and can be reprogrammed. EPROM technology is

used in the memory cells for programming. The EPROM

requires 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.

To perform a read operation from the device, CS is LOW.

The memory contents in the address established by the

Address pins (A₀to A₁₂) will become available on the out-

puts (O₀to O₇).

The PY263 is available in 24-pin 300 mil Ceramic DIPs

(Windowed) and Plastic DIPs (Non-Windowed).

The PY264 is available in 24-pin 600 mil Ceramic DIPs

(Windowed) and Plastic DIPs (Non-Windowed).

FUNCTIONAL BLOCk DIAꢀRAM

PIN CONFIꢀURATION

DIP (P8, WD2)

Note: Window on

WD2 pacꢁage only

Document # EPROM102 REV A

Revised March 2009

12 3 4 5 6 7...9

中文翻译

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