| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74AS643DWR | Texas Instruments | Check for Price | Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 | SN74AS643DW vs SN74AS643DWR |
| SN74AS643DW | Rochester Electronics LLC | Check for Price | Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 | SN74AS643DW vs SN74AS643DW |
Part Details for SN74AS643DW by Texas Instruments
Results Overview of SN74AS643DW by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
SN74AS643DW Information
SN74AS643DW by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for SN74AS643DW
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Vyrian | Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 | 4265 |
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RFQ |
US Tariff Estimator: SN74AS643DW by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
SN74AS643DW Part Data Attributes
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SN74AS643DW
Texas Instruments
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Datasheet
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SN74AS643DW
Texas Instruments
Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20
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| Part Life Cycle Code | Obsolete | |
| Package Description | Dip-20 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | With Direction Control | |
| Control Type | Common Control | |
| Count Direction | Bidirectional | |
| Family | As | |
| JESD-30 Code | R-PDSO-G20 | |
| Length | 12.8 Mm | |
| Load Capacitance (CL) | 50 Pf | |
| Logic IC Type | Bus Transceiver | |
| Number of Bits | 8 | |
| Number of Functions | 1 | |
| Number of Ports | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Characteristics | 3-State | |
| Output Polarity | True | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP20,.4 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Power Supply Current-Max (ICC) | 143 Ma | |
| Propagation Delay (tpd) | 9 Ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.65 Mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Ttl | |
| Temperature Grade | Commercial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Width | 7.5 Mm |
Alternate Parts for SN74AS643DW
This table gives cross-reference parts and alternative options found for SN74AS643DW. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74AS643DW, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.