NM27C256 - National

NM27C256 262 /144-Bit (32K x 8) High Performance CMOS EPROM

The NM27C256 is a 256K Electrically Programmable Read Only Memory It is manufactured in National’s latest CMOS split gate EPROM technology which enables it to operate at speeds as fast as 120 ns access time over the full operating range The NM27C256 provides microprocessor-based systems extensive storage capacity for large portions of operating system and ap.

Features

Y Y Y Y High performance CMOS 120 ns access time JEDEC standard pin configuration 28-pin DIP package 32-pin chip carrier Drop-in replacement for 27C256 or 27256 Manufacturer’s identification code Block Diagram TL D 10833
  – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation HPCTM is a trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL D 10833 RRD-B30M65 Printed in U S A Connection Diagrams 27C080 27C040 27C020 27C010 27C512 A19 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND XX VPP XX VPP XX VPP A16 A15 A12 A7 A6 A5 A4 A.