Texas Instruments SN74LS640-1N Buffers, Drivers, Receivers and Transceivers
IC TXRX INVERT 5.25V 20DIP
Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74LS640-1N Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Related Parts Comparison (SN74LS640-1N vs SN74LS151DR vs SN74LS153DR vs SN74LS155ADR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 20-DIP | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Lifecycle Status | Active | Active | Active | Active |
| Current Output High Low | 15mA, 48mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Circuit | -- | 1 x 8:1 | 2 x 4:1 | 1 x 2:4 |
| Independent Circuits | -- | 1 | 1 | 2 |
| Type | -- | Multiplexer | Multiplexer | Decoder/Demultiplexer |
| Voltage Supply Source | -- | Single Supply | Single Supply | Single Supply |
| Action |
Texas Instruments SN74LS640-1N Buffers, Drivers, Receivers and Transceivers Overview
Octal bus transceiver, 8-bit bidirectional, inverting logic function with 3-state outputs. Features a 40ns propagation delay and 15ns turn-on delay. Operates with a 5V supply voltage (4.75V to 5.25V) and supports output currents of ±15mA. Packaged in a 20-pin PDIP for through-hole mounting, with an operating temperature range of 0°C to 70°C.
RoHS compliant.
