memory

K6X4008C1F-BF55 Datasheet – 512Kx8 bit CMOS Static RAM

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Part Number: K6X4008C1F-BF55 ( 32-SOP, 55ns, LL )

Description

512Kx8 bit Low Power full CMOS Static RAM

Manufacturer: Samsung

Package: 32-DIP-600, 32-SOP-525, 32-TSOP2-400F/R

Image:

K6X4008C1F-BF55 image

Features

· Process Technology: Full CMOS
· Organization: 512Kx8
· Power Supply Voltage: 4.5~5.5V
· Low Data Retention Voltage: 2V(Min)
· Three state output and TTL compatible

Description

The K6X4008C1F families are fabricated by SAMSUNG advanced full CMOS process technology. The families supports various operating temperature range and various package types for user flexibility of system design. The families also support low data retention voltage for battery back up operation with low data retention current.

Pinout and Block diagram

K6X4008C1F-BF55 Datasheet

K6X4008C1F-BF55 Datasheet


 

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M27C256B Datasheet PDF – 256 Kbit (32Kb x 8) EPROM – ST

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Part Number: M27C256B

Function: 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM

Package: DIP 28 Pin, PLCC32, TSOP 28 Type

Manufacturer: STMicroelectronics

Image

M27C256B EPROM

 

 

Description

The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits. The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure. For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm) packages. The power switching characteristics of Advance CMOS EPROMs require careful decoupling of the devices.

Features

1. ACCESS TIME: 45ns
2. PROGRAMMING VOLTAGE: 12.75V ± 0.25V
3. PROGRAMMING TIME: 100μs/word
4. 5V ± 10% SUPPLY VOLTAGE in READ OPERATION

Pinouts:

M27C256B datasheet

 

Other data sheets are available within the file:

27C256B-10F1, 27C256B-10B1X, 27C256B-10B3TR, 27C256B-10B3X, 27C256B-10B6TR

 

M27C256B Datasheet PDF Download

M27C256B pdf