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NM27C512QE200
NM27C512 524 288-Bit (64K x 8) High Performance CMOS EPROM General Description The NM27C512 is a high performance 512K UV Erasable Electrically Programmable Read Only Memory (EPROM) It is manufactured using National’s proprietary 0 8 micron CMOS AMGTM EPROM technology for an excellent combination of speed and economy while providing excellent reliability The NM27C512 provides microprocessor-based systems storage capacity for portions of operating system and application software Its 90 ns access time provides nowait-state operation with high-performance CPUs The NM27C512 offers a single chip solution for the code storage requirements of 100% firmware-based equipment Frequently-used software routines are quickly executed from EPROM storage greatly enhancing system utility The NM27C512 is configured in the standard JEDEC EPROM pinout which provides an easy upgrade path for systems which are currently using standard EPROMs The NM27C512 is one member of a high density EPROM Family which range in densities up to 4 Megabit Features Y Y Y Y High performance CMOS 90 ns access time Fast turn-off for microprocessor compatibility Manufacturers identification code JEDEC standard pin configuration 28-pin DIP package 32-pin chip carrier Block Diagram TL D 10834 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation NSC800TM is a trademark of National Semiconductor Corporation AMGTM is a trademark of WSI Inc C1995 National Semiconductor Corporation TL D 10834 RRD-B30M65 Printed in U S A NM27C512 524 288-Bit (64K x 8) High Performance CMOS EPROM February 1994
NS
National Semiconductor Corporation 日本ではナショセミと略称されていたが2011年9月23日、米TI社に買収され、同社のシリコンバレー部門となった。
TI
Texas Instruments Incorporated
U.S.A
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