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 | - |