This part is a kind of semiconductor called A276308-70.

Function of this product has 64K X 8 OTP CMOS EPROM.

Manufacturers : AMIC Technology

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Some of the text within the PDF file :

A276308 Preliminary Document Title 64K X 8 OTP CMOS EPROM Revision History Rev. No. 0.0 0.1 64K X 8 OTP CMOS EPROM History Initial issue Change program verify mode VCC from 6.25V to VCC Issue Date June 17, 1998 December 16, 1998 Remark Preliminary PRELIMINARY (December, 1998, Version 0.1) AMIC Technology, Inc. A276308 Preliminary Features n n n n 65,536 X 8 bit organization Programming voltage: 12.75V Access time: 55/70/90 ns (max.) Current: Operating: 30mA (max.) at 5MHz Standby: 100µA (max.) n All inputs and outputs are directly TTL-compatible n Available in 28-pin DIP/SOP and 32-PLCC packages 64K X 8 OTP CMOS EPROM General Description The A276308 chip is a high-performance 524,288 bit one-time programmable read only memory (OTP EPROM) organized as 64K by [ ... ]

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