 |  |  | |
| PartNumber | SN74LS642-1DW | SN74LS642DW | SN74LS642-1N |
| Description | Bus Transceivers Octal bus Xcvr | Bus Transceivers Octal bus Xcv | IC TRANSCVR INVERT 5.25V 20DIP |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Bus Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| RoHS | Y | - | - |
| Logic Family | LS | LS | LS |
| Input Level | TTL | TTL | TTL |
| Output Level | TTL | TTL | TTL |
| Output Type | Open Collector | Open Collector | Open Collector |
| High Level Output Current | - 15 mA | - 15 mA | - 15 mA |
| Low Level Output Current | 48 mA | 24 mA | 48 mA |
| Propagation Delay Time | 25 ns | 25 ns | 25 ns |
| Supply Voltage Max | 5.25 V | - | - |
| Supply Voltage Min | 4.75 V | - | - |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Package / Case | SOIC-20 | - | - |
| Packaging | Tube | Tube Alternate Packaging | Tube |
| Function | Bus Transceiver | Bus Transceiver | Octal Bus with OC Out |
| Height | 2.35 mm | - | - |
| Length | 12.8 mm | - | - |
| Number of Circuits | 8 | 8 | 8 |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Product | Standard Transceiver | Standard Transceiver | Standard Transceiver |
| Series | SN74LS642 | 74LS | 74LS |
| Technology | Bipolar | - | - |
| Width | 7.52 mm | - | - |
| Brand | Texas Instruments | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Number of Channels | 8 | 8 | 8 |
| Operating Supply Voltage | 4.75 V to 5.25 V | - | - |
| Polarity | Inverting | Inverting | Inverting |
| Product Type | Bus Transceivers | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | 0.042297 oz |
| Package Case | - | SOIC-20 | PDIP-20 |
| Operating Temperature | - | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | - | Surface Mount | Through Hole |
| Voltage Supply | - | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V |
| Supplier Device Package | - | 20-SOIC | 20-PDIP |
| Number of Elements | - | 1 | 1 |
| Current Output High Low | - | -, 24mA | -, 24mA |
| Logic Type | - | Transceiver, Inverting | Transceiver, Inverting |
| Number of Bits per Element | - | 8 | 8 |
| Supply Voltage Max | - | 5.25 V | 5.25 V |
| Supply Voltage Min | - | 4.75 V | 4.75 V |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Texas Instruments |
SN74LS642NSR | Bus Transceivers Octal bus Xcvr | |
| SN74LS642N | Bus Transceivers Octal bus Xcvr | ||
| SN74LS642-1DW | Bus Transceivers Octal bus Xcvr | ||
| SN74LS642DWG4 | Bus Transceivers Octal bus transceivr | ||
| SN74LS642DWG4 | Bus Transceivers Octal bus transceiv | ||
| SN74LS642NSR | Bus Transceivers Octal bus Xcv | ||
| SN74LS642DW | Bus Transceivers Octal bus Xcv | ||
| SN74LS642-1N | IC TRANSCVR INVERT 5.25V 20DIP | ||
| SN74LS642N | IC TRANSCVR INVERT 5.25V 20DIP | ||
| SN74LS642-1DW | Bus Transceivers Octal bus Xcv | ||
| SN74LS642NG4 | New and Original | ||
| SN74LS642NE4 | Bus XCVR Single 8-CH Open Collector 20-Pin PDIP Tube | ||
| SN74LS642-1NE4 | Bus Transceivers Octal bus Xcv | ||
| SN74LS642DWR2 | - Bulk (Alt: SN74LS642DWR2) | ||
| SN74LS642NS | New and Original | ||
| SN74LS642NSRG4 | Bus Transceivers Octal bus transceiv |