PHILIPS 74HC/HCT112 handbook
Datasheet
The 74HC/HCT112 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
Philips HCT112 manuals
PHILIPS 74HC/HCT112 Dual JK flip-flop with set reset; negative-edge trigger handbook
Datasheet
This document describes the 74HC/HCT112 dual JK flip-flop with set and reset functions, which is triggered on the negative edge. The product has asynchronous set and reset functions, with standard output capability. It is suitable for high-speed Si-Gate CMOS devices and is pin compatible with low power Schottky TTL (LSTTL). It features dual JK flip-flops, as well as independent set and reset inputs. It complies with JEDEC standard no. 7A.