27C040

Pin Arrangement

                  _________    _________
                _|         \__/         |_
        XX/VPP |_|1                   32|_| VCC
                _|                      |_
           A16 |_|2                   31|_| A18
                _|                      |_
           A15 |_|3                   30|_| A17
                _|                      |_
           A12 |_|4                   29|_| A14
                _|                      |_
            A7 |_|5                   28|_| A13
                _|      27C040          |_
            A6 |_|6                   27|_| A8
                _|     4096K Bits       |_
            A5 |_|7    524288 Bytes   26|_| A9
                _|                      |_
            A4 |_|8                   25|_| A11
                _|                      |_
            A3 |_|9                   24|_| /OE
                _|                      |_
            A2 |_|10                  23|_| A10
                _|                      |_
            A1 |_|11                  22|_| /CE/PGM
                _|                      |_
            A0 |_|12                  21|_| O7
                _|                      |_
            O0 |_|13                  20|_| 06
                _|                      |_
            01 |_|14                  19|_| O5
                _|                      |_
            02 |_|15                  18|_| 04
                _|                      |_
       GND/VSS |_|16                  17|_| O3
                 |______________________|

• A0-A18 Address Inputs
• O0-O7 Data Output
• /OE Output Enable
• CE/PGM Chip Enable/Program
• XX Don't care (During Read)