BUY SN74LS76A https://www.utsource.net/itm/p/144435.html
500mA, 15V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Rail; Qty per Container: 75
Description: Dual J-K Flip-Flop
Features:
Positive-Edge Triggered
Inputs Include Clamp Diodes
Outputs Source/Sink 24 mA
Balanced Propagation Delay and Transition Times
Independent Set-Reset (Preset-Clear)
Common Clock and Common Reset
Latch-Up Performance Exceeds 250 mA Per JESD 78, Class II
Applications:
Frequency Division
Pulse Swallowing
Pulse Generation
Shift Registers
Pattern Generators
(For reference only)