DM74S475
National Semiconductor
4096-Bit TTL PROM
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DM74S40
Dual 4-Input NAND BufferDM74S40 Dual 4-Input NAND Buffer
August 1986 Revised April 2000
DM74S40 Dual 4-Input NAND Buffer
General Description
This device contains two independent gates each of which performs the logic NAND function.
Ordering Code:
Order Number DM74S40N Package Number N14A Package Description 14-Lead Plas
Fairchild Semiconductor
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DM74S472
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National Semiconductor
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DM74S473
(512 x 8) 4096-Bit TTL PROMDM74S473 (512 x 8) 4096-Bit TTL PROM
November 1990
DM74S473 (512 x 8) 4096-Bit TTL PROM
General Description
This Schottky memory is organized in the popular 512 words by 8 bits configuration A memory enable input is provided to control the output states When the device is enabled the outputs repre
National Semiconductor
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