SN74LS640-1DWG4Alternatives & Equivalent Parts
About SN74LS640-1DWG4
SN74LS640-1DWG4 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.
Specification Comparison
| Parameter | SN74LS640-1DWG4Source | SN74LS640DW |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | — |
| Pin Count | 20 | — |
| Temperature Range | ~ 70.0°C | — |
| Price | — | $1.1700 |
| Electrical Parameters | ||
| YTEOL | 0 | — |
| Additional Feature | WITH DIRECTION CONTROL | — |
| Control Type | COMMON CONTROL | — |
| Count Direction | BIDIRECTIONAL | — |
| Family | LS | — |
| JESD-30 Code | R-PDSO-G20 | — |
| JESD-609 Code | e4 | — |
| Logic IC Type | BUS TRANSCEIVER | — |
| Max I(ol) | 0.024 A | — |
| Number of Bits | 8 | — |
| Number of Functions | 1 | — |
| Number of Ports | 2 | — |
| Output Characteristics | 3-STATE | — |
| Output Polarity | INVERTED | — |
| Package Body Material | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP20,.4 | — |
| Package Shape | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | — |
| Packing Method | TUBE | — |
| Peak Reflow Temperature (Cel) | 260 | — |
| Power Supply Current-Max (ICC) | 95 mA | — |
| Prop. Delay@Nom-Sup | 15 ns | — |
| Propagation Delay (tpd) | 15 ns | — |
| Qualification Status | Not Qualified | — |
| Supply Voltage-Max (Vsup) | 5.25 V | — |
| Supply Voltage-Min (Vsup) | 4.75 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | — |
| Surface Mount | YES | — |
| Technology | TTL | — |
| Temperature Grade | COMMERCIAL | — |
| Terminal Finish | NICKEL PALLADIUM GOLD | — |
| Terminal Form | GULL WING | — |
| Terminal Pitch | 1.27 mm | — |
| Terminal Position | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74LS640-1DWG4 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 SN74LS640-1DWG4 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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Request Alternatives for SN74LS640-1DWG4FAQ
What is equivalent to SN74LS640-1DWG4?
Known equivalents for SN74LS640-1DWG4 include SN74LS640DW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS640-1DWG4?
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 SN74LS640-1DWG4 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.