 |  |  | |
| PartNumber | SN74ALS639AN | SN74ALS639ADW | SN74ALS639ADWR |
| Description | Bus Transceivers Octal Bus | Bus Transceivers OCTAL BUS TRANSCEIVER | Bus Transceivers OCTAL BUS TRANSCEIVER |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Bus Transceivers | Bus Transceivers | Bus Transceivers |
| RoHS | Y | Y | Y |
| Logic Family | ALS | ALS | 74ALS |
| Input Level | TTL | TTL | TTL |
| Output Level | TTL | TTL | TTL |
| Output Type | 3-State | 3-State | 3-State or Open Collector |
| High Level Output Current | - 15 mA | - 15 mA | - 15 mA |
| Low Level Output Current | 24 mA | 24 mA | 24 mA |
| Propagation Delay Time | 30 ns | 30 ns | 30 ns |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Package / Case | PDIP-20 | SOIC-20 | SOIC-20 Wide |
| Packaging | Tube | Tube | Reel |
| Function | Octal bus transceivers are designed for asynchronous two-way communication | Bus Transceiver | Bus Transceiver |
| Height | 4.57 mm | 2.35 mm | 2.35 mm |
| Length | 24.33 mm | 12.8 mm | 12.8 mm |
| Number of Circuits | 8 | 1 | 8 |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Product | Standard Transceiver | Standard Transceiver | Bipolar |
| Series | SN74ALS639A | SN74ALS639A | - |
| Technology | Bipolar | Bipolar | Bipolar |
| Width | 6.35 mm | 7.52 mm | 7.52 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Number of Channels | 8 | 8 | 8 |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Polarity | Non-Inverting | Non-Inverting | Non-Inverting |
| Product Type | Bus Transceivers | Bus Transceivers | Bus Transceivers |
| Factory Pack Quantity | 20 | 25 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.042297 oz | 0.017662 oz | 0.028254 oz |
| Operating Supply Current | - | 30 mA | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Texas Instruments |
SN74ALS639AN | Bus Transceivers Octal Bus | |
| SN74ALS639ADW | Bus Transceivers OCTAL BUS TRANSCEIVER | ||
| SN74ALS639ADWR | Bus Transceivers OCTAL BUS TRANSCEIVER | ||
| SN74ALS639ANSR | Bus Transceivers OCTAL BUS TRANSCEIVER | ||
| SN74ALS639ADWR | IC TXRX NON-INVERT 5.5V 20SOIC | ||
| SN74ALS639ANSR | Bus Transceivers OCTAL BUS TRANSCEIVER | ||
| SN74ALS639ADW | Bus Transceivers OCTAL BUS TRANSCEIVER | ||
| SN74ALS639AN | Bus Transceivers Octal Bus | ||
| SN74ALS639ANS | New and Original | ||
| SN74ALS639ANSRG4 | Bus Transceivers OCTAL BUS TRANSCEIVER |