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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14-SSOP
- Series：74HCT
- Mfr：NXP USA Inc.
- Package：Bulk
- Logic Type：OR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：4mA, 5.2mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：24ns @ 4.5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SSOP
- Package / Case：14-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The 74HCT32DB,118 is a quad 2-input OR gate manufactured by Nexperia. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an ambient temperature range from -40 °C to +125 °C. The device utilizes TTL input levels and features inputs with clamp diodes for interfacing voltages exceeding VCC. It is housed in a SO14 plastic small outline package (SOT108-1) with 14 leads and a body width of 3.9 mm.
Feature Summary
- Provides four independent 2-input OR logic functions
- Features CMOS low power dissipation and high noise immunity
- Includes input clamp diodes to allow current limiting resistors for voltages above VCC
- Complies with JEDEC standards JESD8C and JESD7A
Applications
- General digital logic circuits requiring OR functionality
- Signal routing and selection systems
- Interface circuits between TTL-level sources and CMOS loads
Procurement Notes
Verify the specific ordering suffix '118' against the manufacturer's latest documentation to confirm packaging details such as reel or cut tape specifications. Confirm that the SO14 package variant matches the required PCB footprint and thermal management needs for the intended operating environment.
Selection Notes
Select this component when TTL-compatible input thresholds are required for OR logic operations. Ensure the application operates strictly within the 4.5 V to 5.5 V supply voltage range. Verify that the 14-lead SOIC package dimensions align with the available board space and assembly capabilities.
Part Context
This part belongs to the 74HCT series of high-speed Si-gate CMOS devices. It is pin compatible with low power Schottky TTL (LSTTL) standards. The device is specified in compliance with JEDEC standard no. 7A and offers symmetrical output impedance with balanced propagation delays.
Replacement Considerations
Cross-reference with other manufacturers offering the 74HCT32 function in SO14 packages. Verify pinout compatibility and electrical characteristics match the original design requirements before substitution.
