SN74HC257DAlternatives & Equivalent Parts
About SN74HC257D
SN74HC257D 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 | SN74HC257DSource | SN74HC05DR | USB2514B-AEZC | SN74HC257DG4 | SN74HC258DR |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Microchip | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | — | Quad Flat No-Lead | Small Outline Packages | Small Outline Packages |
| Pin Count | 16 | — | 36 | 16 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | — | ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3042 | $0.0675 | $1.7830 | $0.3642 | $0.1125 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | — | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 0 | — | 14 | 0 | 15 |
| Family | HC/UH | — | — | HC/UH | HC/UH |
| JESD-30 Code | R-PDSO-G16 | — | S-XQCC-N36 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | e4 | — | e3 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | — | — | 50 pF | 150 pF |
| Logic IC Type | MULTIPLEXER | — | — | MULTIPLEXER | MULTIPLEXER |
| Max I(ol) | 0.0078 A | — | — | 0.0078 A | 0.0078 A |
| Number of Bits | 2 | — | — | 2 | 2 |
| Number of Functions | 4 | — | — | 4 | 4 |
| Number of Inputs | 2 | — | — | 2 | 2 |
| Number of Outputs | 1 | — | — | 1 | 1 |
| Output Characteristics | 3-STATE | — | — | 3-STATE | 3-STATE |
| Output Polarity | TRUE | — | — | TRUE | INVERTED |
| Package Body Material | PLASTIC/EPOXY | — | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 | — | LCC36,.24SQ,20 | SOP16,.25 | SOP16,.25 |
| Package Shape | RECTANGULAR | — | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 0.08 mA | — | — | 0.08 mA | 0.08 mA |
| Prop. Delay@Nom-Sup | 25 ns | — | — | 25 ns | 29 ns |
| Propagation Delay (tpd) | 125 ns | — | — | 190 ns | 190 ns |
| Qualification Status | Not Qualified | — | — | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 6 V | — | — | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | — | — | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | — | 5 V | 5 V |
| Surface Mount | YES | — | YES | YES | YES |
| Technology | CMOS | — | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | OTHER | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | — | NO LEAD | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | — | 0.5 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | — | QUAD | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | 30 | 30 |
| ## SN74HC257D Alternates Showing results | Image | — | — | — | — |
| Manufacturer Package Code | — | — | VQFN-36 | — | — |
| Factory Lead Time | — | — | 1 Week | — | — |
| Bus Compatibility | — | — | I2C, SMBUS, USB | — | — |
| Clock Frequency-Max | — | — | 24 MHz | — | — |
| Supply Current-Max | — | — | 80 mA | — | — |
| Supply Voltage-Max | — | — | 3.6 V | — | — |
| Supply Voltage-Min | — | — | 3 V | — | — |
| Supply Voltage-Nom | — | — | 3.3 V | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | BUS CONTROLLER, UNIVERSAL SERIAL BUS | — | — |
| ## USB2514B-AEZC Alternates Showing results | — | — | Image | — | — |
| Packing Method | — | — | — | TUBE | TR |
| 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 4 alternatives for SN74HC257D — response within 24 hours.
Quick Links
suggested
suggested
Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16
Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, CMOS, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74HC257D 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 SN74HC257D 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 SN74HC257D?
Known equivalents for SN74HC257D include SN74HC05DR, USB2514B-AEZC, SN74HC257DG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC257D?
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 SN74HC257D 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.