Texas Instruments SN74AS645N Buffers, Drivers, Receivers and Transceivers
Octal bus transceiver with 3-state outputs, featuring bidirectional data flow for 8 bits.
Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74AS645N Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (SN74AS645N vs SN74AS1000ANSR vs SN74AS02DR vs SN74AS1000ADR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Number of Circuits | 8 | 4 | 4 | 4 |
| Package / Case | -- | 14-SOIC | 14-SOIC | 14-SOIC |
| Current Output High Low | -- | 48mA, 48mA | 2mA, 20mA | 48mA, 48mA |
| Logic Level High | -- | 2V | 2V | 2V |
| Logic Level Low | -- | 0.8V | 0.8V | 0.8V |
| Logic Type | -- | NAND Gate | NOR Gate | NAND Gate |
| Max Propagation Delay V Max Cl | -- | 4ns @ 5V, 50pF | 4.5ns @ 5V, 50pF | 4ns @ 5V, 50pF |
| Number of Inputs | -- | 2 | 2 | 2 |
| Action |
Texas Instruments SN74AS645N Buffers, Drivers, Receivers and Transceivers Overview
Octal bus transceiver with 3-state outputs, featuring bidirectional data flow for 8 bits. This integrated circuit operates from a 4.5V to 5.5V supply, with a typical 5V operating voltage. It offers a low-level output current of 64mA and a high-level output current of -15mA. The device supports through-hole mounting in a 20-pin PDIP package, with a propagation delay of 12ns and turn-on delay of 9.5ns.
It is RoHS compliant and operates within a temperature range of 0°C to 70°C.