SN74HC244NSAlternatives & Equivalent Parts
About SN74HC244NS
SN74HC244NS 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 | SN74HC244NSSource | SN74HC244DW | SN74HC244DWR | SN74HC241DW | SN74HC244DWG4 |
|---|---|---|---|---|---|
| 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 | Small Outline Packages |
| Pin Count | 20 | 20 | 20 | 20 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.1775 | $0.2660 | $0.1013 | $0.5537 | $0.1590 |
| Electrical Parameters | |||||
| Date Of Intro | 2016-05-24 | — | — | — | — |
| YTEOL | 0 | 0 | 15 | 0 | 0 |
| Control Type | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW/HIGH | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Family | HC/UH | HC | HC/UH | HC | HC/UH |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 150 pF | 150 pF | 150 pF | 50 pF |
| Logic IC Type | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| Max I(ol) | 0.0078 A | 0.0078 A | 0.0078 A | 0.006 A | 0.006 A |
| Number of Bits | 4 | 4 | 4 | 4 | 4 |
| Number of Functions | 2 | 8 | 8 | 8 | 2 |
| Number of Ports | 2 | 2 | 2 | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output Polarity | TRUE | TRUE | TRUE | TRUE | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TR | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 0.08 mA | 0.08 mA | 0.08 mA | 0.08 mA | 0.08 mA |
| Prop. Delay@Nom-Sup | 29 ns | 29 ns | 29 ns | 29 ns | 29 ns |
| Propagation Delay (tpd) | 210 ns | 210 ns | 210 ns | 210 ns | 210 ns |
| Supply Voltage-Max (Vsup) | 6 V | 6 V | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 2 V | 2 V | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 |
| Package Equivalence Code | — | SOP20,.4 | SOP20,.4 | SOP20,.4 | SOP20,.4 |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| ## SN74HC244DW Alternates Showing results | — | Image | — | — | — |
| Pbfree Code | — | — | Yes | — | — |
| ## SN74HC244DWR Alternates Showing results | — | — | Image | — | — |
| Additional Feature | — | — | — | OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for SN74HC244NS 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 SN74HC244NS 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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What is equivalent to SN74HC244NS?
Known equivalents for SN74HC244NS include SN74HC244DW, SN74HC244DWR, SN74HC241DW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC244NS?
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 SN74HC244NS 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.