27C256 PDF datasheet can download.
This product has 256K (32K x 8) CMOS EPROM functions.
This is one of the semiconductor types. This part name is 27C256.
Manufacturers of the product is Microchip Technology.
Image and pinout :
Some of the text files within the PDF file
Obsolete Device 27C256 256K (32K x 8) CMOS EPROM FEATURES • High speed performance – 90 ns access time available • CMOS Technology for low power consumption – 20 mA Active current – 100 µA Standby current • Factory programming available • Auto-insertion-compatible plastic packages • Auto ID aids automated programming • Separate chip enable and output enable controls • High speed “express” programming algorithm • Organized 32K x 8: JEDEC standard pinouts – 28-pin Dual-in-line package – 32-pin PLCC Package – 28-pin SOIC package – Tape and reel • Data Retention > 200 years • Available for the following temperature ranges: – Commercial: 0°C to +70°C – Industrial: -40°C to +85°C – Automotive: -40°C to +125°C DESCRIPTION The Microchip Technology Inc. 27C256 is a CMOS 256K bit electrically Programmable Read Only Memory (EPROM). The device is organized as 32K words by 8 bits (32K bytes). Accessing individual bytes from an address transit [ … ]
Please refer to the file for details.