This document describes the features and characteristics of the 74HC/HCT9114 product, including Schmitt trigger action, output capability, logic family specifications, etc.
This document is a product specification datasheet for the Philips 74HC/HCT9114 integrated circuit. It describes the device as a high-speed Si-gate CMOS component featuring nine wide Schmitt trigger inverting buffers with open drain outputs. The chip is pin compatible with low power Schottky TTL (LSTTL) and is specified in compliance with JEDEC standard no. 7A.
| Number of buffers | Nine wide |
|---|---|
| Output type | Open drain |
| Logic function | Inverting |
| Input type | Schmitt trigger |
| Logic category | MSI |
| Input capacitance | 3.5 pF |
| Operating temperature range (HC) | -40 to +85 °C |
| Operating temperature range (HCT) | -40 to +125 °C |
The 74HC/HCT9114 has inverting outputs, whereas the 74HC/HCT9115 is identical but does not have inverting outputs.
Yes, for digital operation and OR-tied output applications, these devices must have a pull-up resistor to establish a logic HIGH level.