| IC891 |
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| NC | NC | NC | NC | NC |
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| 20 | 19 | 18 | 17 | 16 |
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| 15 | VCC |
CS | 1 |
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| 14 | HOLD |
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| STATUS |
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| VREF | VPP | REGISTER |
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| GENERATOR |
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SO | 2 | INSTRUCTION |
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| VPP SW |
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DECODE |
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| 13 | NC | |||
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| CONTROL |
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NC | 3 | & |
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| CLOCK |
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WP | 4 | GENERATION |
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| ADD |
| DECODER |
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| BUFFERS |
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GND 5
EEPROM 128K bit
INSTRUCTIONR/W AMPS16384 ⋅ 8
REGISTER
&
AUTO ERASE
DATA
REGISTER
12 SCK
11 SI
6 | 7 | 8 | 9 | 10 |
NC | NC | NC | NC | NC |
40