Dual 4-Stage Static Shift Register with Parallel and Serial Outputs
CD4018 Features:
Dual 4-stage static shift register: Two independent 4-bit shift registers.
Parallel and serial inputs/outputs: Flexible data transfer.
High-speed operation: Clock frequency: 10 MHz.
Low power consumption: Maximum 80 μA.
Wide operating range: 4.5V to 15.5V.
Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor).
High output drive capability: 24 mA sink, 16 mA source.
Pinout (16-pin DIP/SOIC/TSSOP):
Inputs:
CLK (Clock) - Pin 1: Clock input for both shift registers.
PARALLEL DATA IN (P0-P3) - Pins 2-5: Parallel input for shift register 1.
PARALLEL DATA IN (P4-P7) - Pins 6-9: Parallel input for shift register 2.
SERIAL DATA IN (SI) - Pin 10: Serial input for both shift registers.
Outputs:
PARALLEL DATA OUT (Q0-Q3) - Pins 11-14: Parallel output for shift register 1.
PARALLEL DATA OUT (Q4-Q7) - Pins 15-16 and 2-5: Parallel output for shift register 2.
SERIAL DATA OUT (SO) - Pin 10: Serial output for both shift registers.
Power:
Vcc (Pin 16): Positive power supply.
GND (Pin 8): Ground.
Applications:
Data storage and transfer: Shift register applications.
Digital displays: Display drivers for LEDs or LCDs.
Sequencers: Control and automation.
Frequency dividers: Clock division.
Digital counters: Event counting.
Electrical Characteristics:
Clock frequency: 10 MHz.
Input voltage range: 0V to Vcc.
Output voltage swing: 0V to Vcc - 0.5V.
Propagation delay: 10-30 ns.