SN74HC157N Texas Instruments In Stock
SN74HC157N is a high-speed CMOS quad 2-input multiplexer by Texas Instruments, featuring 4-bit parallel data selection with active-low strobe control. Key specs: 2-to-1 data selection, 74HC logic family, 2V–6V supply voltage, 74ns propagation delay. From $0.57, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.5745(MOQ 10)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC157N?
- Quad 2-input multiplexer with 4-bit parallel data selection
- Wide supply voltage range: 2V to 6V for versatile system compatibility
- High-speed CMOS logic with 74ns max propagation delay
- Active-low enable (strobe) input for easy bus control
- TTL-compatible inputs for seamless mixed-logic interfacing
- Low power consumption ideal for battery-powered designs
What is SN74HC157N used for?
SN74HC157N is widely used in digital systems for data routing and bus multiplexing, enabling multiple data sources to share a single output channel. It is commonly found in microprocessor address/data bus selection, FPGA I/O expansion, and memory bank switching circuits. The device also serves well in signal switching applications within communication equipment, instrumentation, and embedded control systems.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74HC157N?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74HC157N and what does it do?
The SN74HC157N is a quad 2-input multiplexer from Texas Instruments in the 74HC CMOS logic family. It selects one of two 4-bit parallel data inputs (A or B) and routes it to the output based on the SELECT input, with an active-low STROBE pin to enable or disable all outputs simultaneously.
What are the key electrical specifications of the SN74HC157N?
The SN74HC157N operates on a supply voltage of 2V to 6V and features a maximum propagation delay of 74ns at 5V. It has a maximum quiescent supply current of 80µA, rail-to-rail CMOS output swing, and TTL-compatible input thresholds, making it suitable for interfacing with both CMOS and TTL logic systems.
What are common applications for the SN74HC157N?
Common applications include data bus multiplexing in microprocessor systems, memory bank switching, I/O port expansion, signal routing in embedded systems, and address selection in digital communication equipment. Its 4-bit parallel structure makes it especially useful when multiple signals must be switched simultaneously.
What package does the SN74HC157N come in and are there alternative versions?
The SN74HC157N comes in a 16-pin DIP (PDIP) plastic through-hole package, ideal for prototyping and breadboard development. Pin-compatible alternatives include the SN74HC157D (SOIC-16 surface mount) and SN74HC157PW (TSSOP-16) for space-constrained PCB designs. The SN74HCT157N is a drop-in TTL-compatible variant.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.7708 | $7.71 |
| 500+ | $0.7400 | $370.00 |
| 1000+ | $0.5745 | $574.50 |
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