NVRAM 8k x 8

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Cross-Reference SRAM
BRAND TAG NUMBER PIN COUNT OUTPUT MARKINGS
Dallas DS 1643 28 . DS1643

Non-Volatile Random-Access Memory 8K x 8 (DIP28, 300mil)

Size

bit Byte Hex
65Kb 8KB 10000hex

Pinout

DIP28
         +---\/---+
      NC | 1    28| Vcc
     A12 | 2    27| *WE
      A7 | 3    26| CE2
      A6 | 4    25| A8
      A5 | 5    24| A9
      A4 | 6    23| A11
      A3 | 7    22| *OE
      A2 | 8    21| A10
      A1 | 9    20| *CE
      A0 |10    19| I/O7
    I/O0 |11    18| I/O6
    I/O1 |12    17| I/O5
    I/O2 |13    16| I/O4
     GND |14    15| I/O3
         +--------+

External links

NVRAM page on wikipedia

Files