SN74LS132N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The SN74LS132N is a quadruple 2-input positive-NAND Schmitt trigger IC from Texas Instruments, featuring 4 independent gates with hysteresis for noise immunity, operating at 5V supply with 15pF load capacitance and 16mA output sink current. From $0.234 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS132N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2340(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quadruple 2-input NAND Schmitt trigger with built-in hysteresis for superior noise rejection
- Totem-pole output configuration supporting 16mA sink current for reliable TTL-compatible interfacing
- 14-pin DIP package (PDIP-T14) enabling easy breadboard and through-hole PCB integration
- LS-family low-power Schottky technology balancing speed and power consumption
- 4 independent gates in a single package reducing component count in digital logic designs
Applications
The SN74LS132N is widely used in digital logic circuits for signal conditioning, debouncing mechanical switches, and waveform shaping where clean transitions are critical. Its Schmitt trigger inputs make it ideal for interfacing with slow or noisy input signals in industrial control systems, data communication hardware, and embedded microcontroller designs. The device also finds application in oscillator circuits and pulse-shaping networks within consumer electronics and test equipment.
Specifications
| YTEOL | 15 |
| Family | LS |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | NAND GATE |
| Max I(ol) | 0.016A |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Output Characteristics | TOTEM-POLE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 14mA |
| Prop. Delay@Nom-Sup | 22ns |
| Propagation Delay (tpd) | 22ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## SN74LS132N Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia, Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS132N:
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Frequently Asked Questions
What is the operating voltage and supply current for the SN74LS132N?
The SN74LS132N operates at a 5V VCC supply voltage, typical of TTL LS-family logic. It features a maximum output sink current (I_OL) of 16mA and a load capacitance rating of 15pF, making it suitable for standard TTL bus driving applications in digital systems.
How does the Schmitt trigger input benefit the SN74LS132N compared to standard NAND gates?
Unlike standard NAND gates, the SN74LS132N uses Schmitt trigger inputs that provide hysteresis — a difference between the positive-going and negative-going input thresholds. This makes the device highly immune to noise and signal bounce, enabling clean output transitions even when input signals rise or fall slowly, which is critical in real-world digital applications involving mechanical switches or long signal traces.
What package does the SN74LS132N come in, and are there SMD alternatives?
The SN74LS132N is packaged in a 14-pin Dual-In-Line Package (PDIP), ideal for through-hole PCB assembly and prototyping on breadboards. For surface-mount applications, Texas Instruments offers equivalent devices such as the SN74LS132D (SOIC-14) and SN74LS132DR (SOIC-14, tape and reel), providing the same quad 2-input NAND Schmitt trigger functionality in a smaller SMD footprint.
What are common applications for the SN74LS132N?
The SN74LS132N is commonly used in switch debouncing circuits, waveform squaring, oscillator designs, and digital signal conditioning. Its noise-immune Schmitt trigger inputs make it popular in industrial control, embedded systems interfacing, data communication front-ends, and any application where clean logic transitions from noisy or slowly-changing input signals are required.
Can the SN74LS132N replace a standard SN7432 or SN7400 in my circuit?
The SN74LS132N is a NAND gate with Schmitt trigger inputs, not a standard NAND (SN7400) or OR gate (SN7432), so it is not a pin-compatible drop-in replacement for those devices. However, it can replace a standard quad 2-input NAND gate (like SN74LS00N) if your circuit benefits from the added hysteresis; verify that the switching thresholds and propagation delays meet your design requirements before substituting.
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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.
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