| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| M38B74F6H-FP | RAM size: 640 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi-Electric-Corporation-Semiconductor-Group | QFP | 100 | -20°C | 85°C | 1 M |
| MC74F646DW | Octal transceiver/register with 3-state outputs | Motorola | SOIC | 24 | -55°C | 125°C | 115 K |
| MC74F646N | Octal transceiver/register with 3-state outputs | Motorola | PDIP | 24 | -55°C | 125°C | 115 K |
| MC74F648DW | Octal transceiver/register with 3-state outputs | Motorola | SOIC | 24 | -55°C | 125°C | 115 K |
| MC74F657ADW | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | SOIC | 24 | -55°C | 125°C | 120 K |
| MC74F657AJ | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | DIP | 24 | -55°C | 125°C | 120 K |
| MC74F657AN | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | PDIP | 24 | -55°C | 125°C | 120 K |
| MC74F657BDW | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | SOIC | 24 | -55°C | 125°C | 120 K |
| MC74F657BJ | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | DIP | 24 | -55°C | 125°C | 120 K |
| MC74F657BN | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | PDIP | 24 | -55°C | 125°C | 120 K |
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