SN74S157NSRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74S157NSRG4 is a quad 2-to-1 data multiplexer from Texas Instruments in the high-speed 74S logic family. It features four independent 2-input multiplexer sections with a common select line and true output polarity in a 16-pin SOIC package. From $0.50, available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN74S157NSRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74S157NSRG4?
- Quad 2-to-1 multiplexer with four independent channels and a common select input for simplified bus routing
- High-speed 74S Schottky logic family ensuring fast propagation delays suitable for demanding digital signal switching
- True output polarity with 20mA output sink current and 15pF load capacitance for reliable fanout in TTL systems
What is SN74S157NSRG4 used for?
The SN74S157NSRG4 is used in digital systems for selecting between two data buses or signal sources, making it ideal for data routing, memory address multiplexing, and bus sharing in microprocessor and DSP-based designs. It is commonly deployed in communication equipment, programmable logic controllers, and embedded systems requiring deterministic high-speed data path switching. Its 74S family compatibility also facilitates straightforward integration with existing TTL logic designs and mixed-voltage boards.
What are the specifications of SN74S157NSRG4?
| YTEOL | 0 |
| Family | S |
| JESD-30 Code | R-PDSO-G16 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.02A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 78mA |
| Prop. Delay@Nom-Sup | 7.5ns |
| Propagation Delay (tpd) | 7.5ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74S157NSRG4 datasheet?
SN74S157NSRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74S157NSRG4?
Compatible alternatives and drop-in replacements for SN74S157NSRG4:
Multiplexer, S Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16
Multiplexer, S Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16
Frequently Asked Questions
Which designs are a good fit for SN74S157NSRG4 with 15 pF?
SN74S157NSRG4 fits industrial, embedded, and repair-oriented electronic assemblies when the design needs 15 pF and 0.02 A. It is a practical choice when the BOM also matches the 16-pin SOIC footprint.
How should engineers check package compatibility for SN74S157NSRG4?
Compare the PCB land pattern, height allowance, and assembly process against the 16-pin SOIC style. The 16 pins detail is the first check before approving a replacement.
What matters when sourcing SN74S157NSRG4 as a replacement?
Confirm the same 15 pF, 0.02 A, manufacturer traceability, and lifecycle status before substituting it. Buyers should also verify stock for the exact 16-pin SOIC configuration.
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Why Buy from FindMyChip
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.
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