This part is a kind of semiconductor called MAX100.

Function of this product has 250Msps / 8-Bit ADC with Track/Hold.

Manufacturers : Maxim

Image and pinout :

Some of the text within the PDF file :

19-0282; Rev 0; 7/94 K ATION EVALU BLE AVAILA IT 250Msps, 8-Bit ADC with Track/Hold ____________________________Features o o o o o o o o o o o o 250Msps Conversion Rate 6.8 Effective Bits at 125MHz Less than ±1/2LSB INL 50Ω Differential or Single-Ended Inputs ±270mV Input Signal Range Reference Sense Inputs Ratiometric Reference Inputs Configurable Dual-Output Data Paths Latched, ECL-Compatible Outputs Low Error Rate, Less than 10-15 Metastable States Selectable On-Chip 8:16 Demultiplexer 84-Pin Ceramic Flat Pack _______________General Description The MAX100 ECL-compatible, 250Msps, 8-bit analog-todigital converter (ADC) allows accurate digitizing of analog signals from DC to 125MHz (Nyquist frequency). Designed with Maxim’s proprietary advanced bipolar processes, the MAX100 cont [ ... ]

MAX100 PDF Datasheet Download