Key facts
- Brand
- Philips
- Model
- HCT27
- Category
- INTEGRATED CIRCUITS
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-02
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Philips 74HC/HCT27 Triple 3-input NOR Gate Datasheet
The Philips 74HC/HCT27 is a high-speed Si-gate CMOS device that provides the 3-input NOR function. It is pin compatible with low power Schottky TTL (LSTTL) and is specified in compliance with JEDEC standard no. 7A.
The document details the electrical characteristics, including propagation delay and input capacitance, for both the 74HC and 74HCT variants under various temperature conditions. It also includes pin descriptions, logic symbols, functional diagrams, and ordering information.
Philips HCT27 specifications
| Function | Triple 3-input NOR gate |
|---|---|
| Technology | High-speed Si-gate CMOS |
| Input Capacitance | 3.5 pF |
| Power Dissipation Capacitance | 24 pF |
| Icc Category | SSI |
Source: Philips 74HC/HCT27 Triple 3-input NOR Gate Datasheet
All Philips HCT27 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the function of the 74HC/HCT27?
The 74HC/HCT27 provide the 3-input NOR function.
Is the 74HC/HCT27 pin compatible with TTL?
Yes, it is pin compatible with low power Schottky TTL (LSTTL).
What is the function of the MR input?
A LOW voltage level on the MR input forces all outputs LOW independently of clock or data inputs.
How are the flip-flops triggered?
The device contains eight positive edge-triggered D-type flip-flops.