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M27C256B-12F6

Name: M27C256B-12F6
Rating: 4.7 (12 reviews)

IC EPROM 256KBIT PARALLEL 28CDIP

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Mfr。パート #M27C256B-12F6
パッケージ FDIP-28W
データシート
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仕様

Package	Tube
ProductStatus	Obsolete
MemoryType	Non-Volatile
MemoryFormat	EPROM
Technology	EPROM - UV
MemorySize	256Kb (32K x 8)
MemoryInterface	Parallel
AccessTime	120 ns
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Through Hole
Package/Case	28-CDIP (0.600, 15.24mm) Window

概要

Description

The M27C256B-12F6 is a high-performance, ultraviolet (UV) erasable programmable read-only memory (EPROM) chip with a storage capacity of 256 kilobits (32 kilobytes). Designed for use in a variety of electronic applications, it operates on a supply voltage range of 4.5V to 5.5V and features fast access times of up to 120ns. The device includes 32 programmable bytes, allowing for individual byte programming and reprogramming through the UV exposure process, which erases the entire chip.
This EPROM is characterized by its reliability and stability, making it suitable for applications in embedded systems, automotive electronics, and telecommunications. The M27C256B-12F6 is available in various package types, including DIP and PLCC, accommodating different circuit board designs. Additionally, it supports a simple interface for easy integration into existing systems. Overall, the M27C256B-12F6 is a versatile choice for developers needing non-volatile memory solutions.

Features

The M27C256B-12F6 is a 256K-bit (32K x 8) EPROM (Erasable Programmable Read-Only Memory) device. Key features include:
1. Memory Organization: 32K x 8 bits.
2. Access Time: 120 ns (for fast read operations).
3. Operating Voltage: Typically operates at 5V.
4. Packaging: Available in various packages, including DIP (Dual In-line Package).
5. Data Retention: Retains data for over 10 years.
6. Erase Capability: Can be erased using UV light exposure.
7. Reprogrammability: Allows multiple programming cycles (up to 100,000).
8. Write Protection: Features write protection to prevent unintentional programming.
9. Compatible Interfaces: Suitable for use with standard microcontrollers and various programmable logic devices.
These features make the M27C256B-12F6 suitable for applications requiring non-volatile memory storage in embedded systems, firmware, and other electronic applications.

Package

The M27C256B-12F6 is an EPROM (Erasable Programmable Read-Only Memory) chip in a 28-pin dual in-line package (DIP). It features a standard 600 mil width, commonly used in various electronic applications for data storage.

Pinout

The M27C256B-12F6 is a 32K x 8 bit (256 Kbit) UVEPROM (Ultraviolet Erasable Programmable Read-Only Memory) device. It has a pin count of 28.
The pin configuration includes:
1. A0-A14 (15 pins) - Address inputs
2. D0-D7 (8 pins) - Data outputs
3. Vpp (1 pin) - Programming voltage (12.5V for programming)
4. Vcc (1 pin) - Supply voltage (typically +5V)
5. GND (1 pin) - Ground
6. OE (1 pin) - Output Enable
7. CE (1 pin) - Chip Enable
8. PGM (1 pin) - Programming control
The device allows for reading and programming of binary data, and it is commonly used in applications requiring non-volatile storage, such as firmware in embedded systems.

Manufacturer

The M27C256B-12F6 is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs and produces a wide range of semiconductor products, including microcontrollers, memory devices, sensors, and power management solutions. Founded in 1987 through the merger of SGS Microelettronica and Thomson Semiconducteurs, STMicroelectronics is headquartered in Geneva, Switzerland. The company plays a significant role in various markets, including automotive, industrial, personal electronics, and communications, focusing on innovation and sustainability in its product offerings.

Application

The M27C256B-12F6 is a high-speed EEPROM used in various applications, including programmable logic devices, embedded systems, microcontrollers, and consumer electronics. It is ideal for storing firmware, lookup tables, and configuration data due to its non-volatile memory characteristics. Common uses include telecommunications, automotive systems, and industrial automation, where reliable, reprogrammable storage is essential.

Equivalent

The M27C256B-12F6 is a 32K x 8 EEPROM chip. Equivalent products include:
1. AM27C256-12DC
2. AT28C256-12PU
3. MBM27C256-12
These chips offer similar specifications, such as memory size and programming voltage. Always verify compatibility with your specific application requirements.