SN74LS641-1DWG4Alternatives & Equivalent Parts
About SN74LS641-1DWG4
SN74LS641-1DWG4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | SN74LS641-1DWG4Source | SN74LS641DW | SN74LS641NS | SN74LS641DWG4 | SN74LS642DWG4 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | — | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | — | 20 | 20 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | — | ~ 70.0°C | ~ 70.0°C |
| Price | — | $1.8700 | $1.6600 | — | — |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE | — | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||||
| YTEOL | 0 | 0 | — | 0 | 0 |
| Additional Feature | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | — | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL |
| Control Type | COMMON CONTROL | COMMON CONTROL | — | COMMON CONTROL | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL | — | BIDIRECTIONAL | BIDIRECTIONAL |
| Family | LS | LS | — | LS | LS |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | — | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | — | e4 | e4 |
| Logic IC Type | BUS TRANSCEIVER | BUS TRANSCEIVER | — | BUS TRANSCEIVER | BUS TRANSCEIVER |
| Max I(ol) | 0.024 A | 0.024 A | — | 0.024 A | 0.024 A |
| Number of Bits | 8 | 8 | — | 8 | 8 |
| Number of Functions | 1 | 8 | — | 1 | 1 |
| Number of Ports | 2 | 2 | — | 2 | 2 |
| Output Characteristics | OPEN-COLLECTOR | OPEN-COLLECTOR | — | OPEN-COLLECTOR | OPEN-COLLECTOR |
| Output Polarity | TRUE | TRUE | — | TRUE | INVERTED |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 | — | SOP20,.4 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE | IN-LINE |
| Packing Method | TUBE | TUBE | — | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 |
| Power Supply Current-Max (ICC) | 95 mA | 90 mA | — | 95 mA | 95 mA |
| Prop. Delay@Nom-Sup | 25 ns | 25 ns | — | 25 ns | 25 ns |
| Propagation Delay (tpd) | 25 ns | 25 ns | — | 25 ns | 25 ns |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.25 V | — | 5.25 V | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 4.75 V | — | 4.75 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | 5 V |
| Surface Mount | YES | YES | — | YES | NO |
| Technology | TTL | TTL | — | TTL | TTL |
| Temperature Grade | COMMERCIAL | COMMERCIAL | — | COMMERCIAL | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | — | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | THROUGH-HOLE |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 1.27 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 | 30 |
| Load Capacitance (CL) | — | 45 pF | — | — | — |
| Schmitt Trigger | — | NO | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for SN74LS641-1DWG4 — response within 24 hours.
Quick Links
Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20
Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP20
Why Look for Alternatives?
Finding alternatives for SN74LS641-1DWG4 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SN74LS641-1DWG4 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to SN74LS641-1DWG4?
Known equivalents for SN74LS641-1DWG4 include SN74LS641DW, SN74LS641NS, SN74LS641DWG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS641-1DWG4?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SN74LS641-1DWG4 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.