8-bit bidirectional bus transceiver, LS series, featuring inverted output logic. This TTL-compatible logic IC operates with a nominal supply voltage of 5V (4.75V to 5.25V) and offers a propagation delay of 25ns. Encased in a 20-terminal PDIP plastic package (R-PDIP-T20), it supports a single function with common control. Maximum operating temperature is 70°C, with a maximum power supply current of 90mA.
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Motorola SN74LS642N technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 20 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T20 |
| Width | 7.62 |
| Length | 26.415 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.25 |
| Supply Voltage-Min (Vsup) | 4.75 |
| Logic IC Type | BUS TRANSCEIVER |
| Family | LS |
| Propagation Delay (tpd) | 25 |
| Number of Bits | 8 |
| Max I(ol) | 0.024 |
| Prop. Delay@Nom-Sup | 25 |
| Load Capacitance | 45 |
| Output Polarity | INVERTED |
| Number of Ports | 2 |
| Power Supply Current-Max (ICC) | 90 |
| Count Direction | BIDIRECTIONAL |
| Control Type | COMMON CONTROL |
| RoHS | No |
| REACH | unknown |
| Military Spec | False |
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