The HCF4013 is a monolithic integrated circuit fabricated in metal oxide semiconductor technology available in PDIP14 and SO14 packages. The HCF4013 consists of two identical, independent data type flip-flops. Each flip-flop has independent data, set, reset, and clock inputs, and Q and Q outputs. This device can be used for shift register applications. It can also be used for counter and toggle applications by connecting Q outputs to the data input. The logic level present at the D input is transferred to the Q outputs during the positive-going transition of the clock pulse. Setting or resetting is independent of the clock and is accomplished by a high level on the set or reset line, respectively.

Set-reset capability
Static flip-flop operation - retains state indefinitely with clock level either “high” or “low”
Medium speed operation 16 MHz (typ.), clock toggle rate at 10 V
Standardized symmetrical output characteristics
Quiescent current specified up to 20 V
5 V, 10 V, and 15 V parametric ratings
Input leakage current II= 100 nA (max.) at VDD= 18 V, TA= 25 °C
100 % tested for quiescent current
ESD performance
HBM: 2 kV
MM: 200 V
CDM: 1 kV