The 74HC/HCT112 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
The document describes the 74HC/HCT112 as high-speed Si-gate CMOS devices that are pin compatible with low power Schottky TTL (LSTTL). These integrated circuits feature asynchronous set and reset capabilities, standard output capability, and negative-edge triggering on the clock input.
| Device Type | Dual JK flip-flop with set and reset; negative-edge trigger |
|---|---|
| Technology | High-speed Si-gate CMOS |
| TTL Compatibility | Pin compatible with LSTTL |
| Maximum Clock Frequency (74HC) | 66 MHz |
| Operating Temperature Range (74HC) | -40 to +85 °C / -40 to +125 °C |
| Operating Temperature Range (74HCT) | -40 to +85 °C / -40 to +125 °C |
The device features negative-edge triggering on the clock input.
Yes, both the set (nSp) and reset (nRp) inputs are active LOW.
Yes, it is pin compatible with low power Schottky TTL (LSTTL).