BUY 74LS321 https://www.utsource.net/itm/p/98317.html
CRYSTAL-CONTROLLED OSCILLATORS
Package Type: DIP16
Description: The 74LS321 is a 4-bit D-type flip-flop with a clear input. It is a low-power Schottky device with a high-speed performance.
Features:
Low-power Schottky design
High-speed performance
Clear input
4-bit D-type flip-flop
Outputs source/sink 24 mA
Outputs compatible with TTL inputs
Inputs compatible with TTL outputs
Outputs directly interface to CMOS, NMOS, and TTL
Applications:
Data storage
Frequency division
Pulse generation
Shift registers
Counters
Data transmission
Signal processing
(For reference only)
