This part is a kind of semiconductor called AT27C010.
Function of this product has 1 Megabit 128K x 8 OTP CMOS EPROM.
Manufacturers : ATMEL Corporation
Image and pinout :

Some of the text within the PDF file :
Features • Fast read access time – 45ns • Low-power CMOS operation – 100µA max standby – 25mA max active at 5MHz • JEDEC standard packages – 32-lead PDIP – 32-lead PLCC • 5V ±10% supply • High-reliability CMOS technology – 2000V ESD protection – 200mA latchup immunity • Rapid programming algorithm – 100 µs/byte (typical) • CMOS- and TTL-compatible inputs and outputs • Integrated product identification code • Industrial temperature range • Green (Pb/halide-free) packaging option 1Mb (128K x 8) One-time Programmable, Read-only Memory Atmel AT27C010 1. Description The Atmel® AT27C010 is a low-power, high-performance 1,048,576-bit, one-time programmable, read-only memory (OTP EPROM) organized as 128K by 8 bits. Thedevice requires only one 5V power s [ ... ]
AT27C010 PDF Datasheet Download
