GENERAL DESCRIPTION
The WS57C191C/291C is an extremely High Performance 16K UV Erasable Electrically Re-Programmable Read Only Memory (RPROM). It is manufactured in an advanced CMOS technology which enables it to operate at Bipolar PROM speeds while consuming only 25% of the power required by its Bipolar counterparts. The WS57C191C/291C is also configured in the standard Bipolar PROM pinout which provides an easy upgrade path for systems which are currently using Bipolar PROMs.
The WS57C191C is packaged in a conventional 600 mil DIP package. The WS57C291C is packaged in a space saving 300 mil DIP package configuration.

KEY FEATURES
• Ultra-Fast Access Time
  — tACC= 35 ns
  —tCS= 20 ns
• Low Power Consumption
• Fast Programming
• Available in 300 and 600 Mil DIP
• Pin Compatible with Am27S191/291 and N82S191 Bipolar PROMs
• Immune to Latch-UP
   — Up to 200 mA
• ESD Protection Exceeds 2000V