SN74AHC244DWAlternatives & Equivalent Parts
About SN74AHC244DW
SN74AHC244DW is a logic-gates component manufactured by Texas Instruments. It comes in a SOIC-20 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 | SN74AHC244DWSource | SN74HC244DW | SN74LVC244ADWR |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOIC-20 | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.3475 | $0.2660 | $0.1221 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||
| Supply Voltage | 2 to 5.5 V | — | — |
| Number of Channels | 8 | — | — |
| Max Propagation Delay | 5.5 ns | — | — |
| Max Operating Frequency | 170 MHz | — | — |
| Output Current (IOH) | -8 mA | — | — |
| Output Current (IOL) | 8 mA | — | — |
| Operating Temperature Min | -40 °C | — | — |
| Operating Temperature Max | 85 °C | — | — |
| Package | SOIC-20 | — | — |
| Pin Count | 20 | — | — |
| YTEOL | — | 0 | 15 |
| Control Type | — | ENABLE LOW | ENABLE LOW |
| Count Direction | — | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Family | — | HC | LVC/LCX/Z |
| JESD-30 Code | — | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | — | e4 | — |
| Load Capacitance (CL) | — | 150 pF | 50 pF |
| Logic IC Type | — | BUS DRIVER | BUS DRIVER |
| Max I(ol) | — | 0.0078 A | 0.024 A |
| Number of Bits | — | 4 | 4 |
| Number of Functions | — | 8 | 2 |
| Number of Ports | — | 2 | 2 |
| Output Characteristics | — | 3-STATE | 3-STATE |
| Output Polarity | — | TRUE | TRUE |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | SOP20,.4 | SOP20,.4 |
| Package Shape | — | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | — | TUBE | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | — | 260 | 260 |
| Power Supply Current-Max (ICC) | — | 0.08 mA | 0.04 mA |
| Prop. Delay@Nom-Sup | — | 29 ns | 7.2 ns |
| Propagation Delay (tpd) | — | 210 ns | 16.4 ns |
| Qualification Status | — | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | — | 6 V | 3.6 V |
| Supply Voltage-Min (Vsup) | — | 2 V | 1.65 V |
| Supply Voltage-Nom (Vsup) | — | 5 V | 3.3 V |
| Surface Mount | — | YES | YES |
| Technology | — | CMOS | CMOS |
| Temperature Grade | — | INDUSTRIAL | — |
| Terminal Finish | — | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | GULL WING | GULL WING |
| Terminal Pitch | — | 1.27 mm | 1.27 mm |
| Terminal Position | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 |
| ## SN74HC244DW Alternates Showing results | — | Image | — |
| Pbfree Code | — | — | Yes |
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 2 alternatives for SN74AHC244DW — response within 24 hours.
Quick Links
Same SOIC-20 pinout, HC logic family (5V-only, lower speed vs AHC); direct drop-in for 5V-only designs
LVC variant operating 1.65–3.6V; compatible footprint, preferred for 3.3V low-power designs
Why Look for Alternatives?
Finding alternatives for SN74AHC244DW 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 SN74AHC244DW 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 SN74AHC244DW?
Known equivalents for SN74AHC244DW include SN74HC244DW, SN74LVC244ADWR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74AHC244DW?
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 SN74AHC244DW 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.