Texas Instruments SNJ54LS251J
Manufacturer No:
SNJ54LS251J
Manufacturer:
Texas Instruments
Package:
Description:
Data Selectors/Multiplexers With 3-State Outputs
Quantity:
In Stock :8614
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Expected Shipping：Fri, May 29 - Sat, May 30, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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SNJ54LS251J Information
Texas Instruments SNJ54LS251J technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments SNJ54LS251J.
- Type
- Parameter
- Technology family
- LS
- Function
- Digital Multiplexer
- Configuration
- 8:1
- Number of channels
- 1
- Operating temperature range (°C)
- -55 to 125
- Rating
- Military
- Package
- CDIP (J)
- Pins
- 16
- Size
- 135.3552 mm² 19.56 x 6.92
- Package
- CFP (W)
- Type
- Parameter
- Pins
- 16
- Size
- 69.319 mm² 10.3 x 6.73
- Package
- LCCC (FK)
- Pins
- 20
- Size
- 79.0321 mm² 8.89 x 8.89
- REACH Status
- Affected
- RoHS Status
- Non-RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments SNJ54LS251J.
User guide:
Data sheet:
Selection guide:
These monolithic data selectors/multiplexers contain full on-chip binary decoding to select one-of-eight data sources and feature a strobe-controlled three-state output. The strobe must be at a low logic level to enable these devices. The three-state outputs permit a number of outputs to be connected to a common bus. When the strobe input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly. When the strobe is low, the outputs are activated and operate as standard TTL totem-pole outputs.
To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels, the output control circuitry is designed so that the average output disable time is shorter than the average output enable time. The SN54251 and SN74251 have output clamp diodes to attenuate reflections on the bus line.
- Three-State Versions of '151, 'LS151, 'S151
- Three State Outputs Interface Directly with System Bus
- Perform Parallel-to-Serial Conversion
- Permit Multiplexing from N-Lines to One Line
- Complementary Outputs Provide True and Inverted Data
- Fully Compatible with Most TTL Circuits
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12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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