Part Details for SN74LS644-1N by Texas Instruments
Results Overview of SN74LS644-1N by Texas Instruments
- Distributor Offerings: (5 listings)
- 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)
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SN74LS644-1N Information
SN74LS644-1N 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 SN74LS644-1N
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2156-SN74LS644-1N-ND
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DigiKey | IC TXRX INVERT 5.25V 20-PDIP Min Qty: 109 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT |
1924 In Stock |
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$2.7600 | Buy Now |
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DISTI #
86147718
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Verical | Bus XCVR Single 8-CH Open Collector 20-Pin PDIP Tube Min Qty: 143 Package Multiple: 1 Date Code: 9001 | Americas - 1924 |
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$2.2125 / $2.6250 | Buy Now |
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Quest Components | IC,BUS TRANSCEIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 290 |
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$1.8720 / $4.6800 | Buy Now |
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Quest Components | IC,BUS TRANSCEIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 256 |
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$2.8860 / $4.6800 | Buy Now |
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Rochester Electronics | Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20 RoHS: Not Compliant Status: Obsolete Min Qty: 1 | 1924 |
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$1.7700 / $2.2100 | Buy Now |
US Tariff Estimator: SN74LS644-1N 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.
Part Details for SN74LS644-1N
SN74LS644-1N Part Data Attributes
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SN74LS644-1N
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
SN74LS644-1N
Texas Instruments
Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | DIP | |
| Package Description | Dip, Dip20,.3 | |
| Pin Count | 20 | |
| Reach Compliance Code | Not Compliant | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | A To B Port Inverted Data Output | |
| Control Type | Common Control | |
| Count Direction | Bidirectional | |
| Family | Ls | |
| JESD-30 Code | R-PDIP-T20 | |
| Length | 25.4 Mm | |
| Load Capacitance (CL) | 45 Pf | |
| Logic IC Type | Bus Transceiver | |
| Max I(ol) | 0.048 A | |
| 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 | Open-Collector | |
| Output Polarity | True | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP20,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Power Supply Current-Max (ICC) | 90 Ma | |
| Prop. Delay@Nom-Sup | 25 Ns | |
| Propagation Delay (tpd) | 25 Ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 Mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | No | |
| Technology | Ttl | |
| Temperature Grade | Commercial | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Width | 7.62 Mm |
Alternate Parts for SN74LS644-1N
This table gives cross-reference parts and alternative options found for SN74LS644-1N. 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 SN74LS644-1N, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74LS644JDS | Motorola Semiconductor Products | Check for Price | Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, CDIP20 | SN74LS644-1N vs SN74LS644JDS |
| SN74LS644N | Texas Instruments | Check for Price | Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20 | SN74LS644-1N vs SN74LS644N |