SN74LS132NE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
SN74LS132NE4 is a quad 2-input NAND gate with Schmitt-trigger inputs from the 74LS bipolar logic family, housed in a 14-pin PDIP through-hole package. It operates from a 5 V supply with 8 mA sink current and 15 pF load capacitance spec, suitable for noise-immune digital logic and signal conditioning designs.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LS132NE4 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 SN74LS132NE4?
- 4 independent 2-input NAND gates with Schmitt-trigger inputs
- Schmitt-trigger hysteresis provides noise immunity on slow or noisy input signals
- 74LS bipolar family with 8 mA output sink current
- 5 V TTL-compatible supply and logic levels
- 14-pin PDIP package compatible with standard breadboards and sockets
- 15 pF rated load capacitance for reliable fan-out in logic chains
What is SN74LS132NE4 used for?
SN74LS132NE4 is used in digital logic design for noise-immune signal conditioning, oscillator circuits, and switch debouncing where Schmitt-trigger hysteresis prevents multiple transitions from slow-rising input edges. Its 4 independent NAND gates serve as versatile building blocks in combinational logic, enabling NAND-based implementations of AND, OR, and inverter functions on a single 5 V chip. Industrial control panels, embedded system prototypes, and educational lab kits also rely on this DIP package for through-hole assembly.
What are the specifications of SN74LS132NE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Family | LS |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | NAND GATE |
| Max I(ol) | 0.008A |
| 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 |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74LS132NE4 datasheet?
SN74LS132NE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74LS132NE4?
Compatible alternatives and drop-in replacements for SN74LS132NE4:
Frequently Asked Questions
How does the Schmitt-trigger input of SN74LS132NE4 improve noise immunity over standard NAND gates?
The Schmitt-trigger input introduces a voltage hysteresis band—typically 0.4 V to 0.8 V wide for the 74LS family—so the gate switches HIGH-to-LOW and LOW-to-HIGH at different threshold voltages. This prevents chattering or multiple output transitions when input signals have slow edges or superimposed noise spikes below 400 mV amplitude, which is critical in 5 V industrial environments with relay contact bounce or long PCB traces acting as antennas.
What fan-out capability does SN74LS132NE4 support in a 74LS logic system?
Each output can sink 8 mA at the 0.5 V low-level output voltage, which corresponds to driving 10 standard 74LS loads rated at 0.4 mA each. The 15 pF load capacitance specification ensures propagation delay remains within the rated range at this load level. In mixed 74LS and 74S designs, designers should verify that the source current of high-level outputs, typically 0.4 mA, is sufficient for all connected gate inputs in a fan-out chain of up to 10 devices.
Can SN74LS132NE4 be used as a ring oscillator or clock generator?
Yes. An odd number of Schmitt-trigger inverters or NAND gates wired with feedback can form a relaxation oscillator, with frequency determined by the propagation delay and a timing RC network. Using 3 of the 4 gates in SN74LS132NE4 with a 10 kΩ resistor and 100 pF capacitor generates an oscillation frequency in the range of 1 MHz to 5 MHz at 5 V supply, providing a simple clock source for slow logic or test circuits where crystal accuracy is not required.
How does the 14-pin PDIP package of SN74LS132NE4 compare to surface-mount alternatives for production designs?
The 14-pin PDIP occupies roughly 18 mm × 8 mm of PCB space with 0.1-inch pin pitch, whereas a 14-pin SOIC measures approximately 9 mm × 4 mm. For production volumes above a few hundred units, the SOIC variant SN74LS132D is preferred because it reduces PCB area by more than 50%, supports automated pick-and-place at lower cost, and eliminates through-hole drilling. The PDIP SN74LS132NE4 remains the first choice for breadboard prototyping and socket-based field-replaceable designs.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit