This part is a kind of semiconductor called 27C010.

Function of this product has 1 Megabit 128K x 8 OTP CMOS EPROM.

Manufacturers : ATMEL

Image and pinout :

Some of the text within the PDF file :

AT27C010/L Features • • • • • • • • • Fast Read Access Time - 45 ns Low Power CMOS Operation 100 µA max. Standby 25 mA max. Active at 5 MHz (AT27C010L) 35 mA max. Active at 5 MHz (AT27C010) JEDEC Standard Packages 32-Lead 600-mil PDIP 32-Lead PLCC 32-Lead TSOP 5V ± 10% Supply High Reliability CMOS Technology 2000V ESD Protection 200 mA Latchup Immunity Rapid™ Programming Algorithm - 100 µs/byte (typical) CMOS and TTL Compatible Inputs and Outputs Integrated Product Identification Code Commercial and Industrial Temperature Ranges 1 Megabit (128K x 8) OTP CMOS EPROM Description The AT27C010/L is a low-power, high performance 1,048,576 bit one-time programmable read only memory (OTP EPROM) organized as 128K by 8 bits. They require only one 5V power supply in normal [ ... ]

27C010 PDF Datasheet Download