Texas Instruments SN74HC251D Signal Switches, Multiplexers and Decoders
IC MULTIPLEXER 1 X 8:1 16SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HC251D
Series
Base Model
Detailed Description
8-input, 1-output CMOS multiplexer with 28MHz bandwidth and 52ns propagation delay. This surface-mount logic IC operates from a 2V to 6V supply, featuring independent circuits and non-inverting polarity. It offers a high-level and low-level output current of 7.8mA, with an operating temperature range of -40°C to 85°C. Packaged in a 16-pin SOIC, this RoHS-compliant component is ideal for signal routing applications.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74HC251D Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74HC251D Signal Switches, Multiplexers and Decoders technical specifications.
General
Series
74HC
RoHS
Yes
Number of Channels
1
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2V ~ 6V
Lifecycle Status
Active
Bandwidth
28MHz
Package
SOIC
Alternate Parts Comparison (SN74HC251D vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC595DRG3)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C |
| Lifecycle Status | Active | Active | Active | Active |
| Number of Circuits | 1 | 1 | 1 | -- |
| Action |
Texas Instruments SN74HC251D Signal Switches, Multiplexers and Decoders Overview
8-input, 1-output CMOS multiplexer with 28MHz bandwidth and 52ns propagation delay. This surface-mount logic IC operates from a 2V to 6V supply, featuring independent circuits and non-inverting polarity. It offers a high-level and low-level output current of 7.8mA, with an operating temperature range of -40°C to 85°C.
Packaged in a 16-pin SOIC, this RoHS-compliant component is ideal for signal routing applications.
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC74HC251ADR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
8-Input Multiplexer (3-state), SOIC 16 LEAD, 2500-REEL
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
SN74HC08DRTexas Instruments4-ch, 2-input, 2-V to 6-V 5.2 mA drive strength AND gate 14-SOIC -40 to 85