CD4526 Programmable Binary Down Counter DIP-16 (CD4526 DIP IC)
The CD4526 is a high-voltage CMOS integrated circuit that functions as a 4-bit binary programmable synchronous down counter. It features internal look-ahead carry logic for high-speed cascading and a "0" state detection output that pulses high when the counter reaches a binary zero state.
This IC is primarily used in frequency synthesizers, digital timers, and programmable binary dividers where a specific count-down cycle is required. It is an ideal component for Arduino electronics projects in India involving precise binary time delays, motor control stepping, and automated counting sequences.
Key Features
- Synchronous 4-bit binary (15 to 0) down counting
- "0" state detection output for terminal count signaling
- Cascadable for high-count binary applications
- Asynchronous parallel load and master reset
- High noise immunity characteristic of CMOS technology
- Wide operating supply voltage range for versatile power options
- Low power consumption for battery-efficient timing circuits
- Fully static operation from DC to high frequencies
Specifications
- IC Type = Binary Down Counter
- Logic Family = CD4000
- Supply Voltage = 3V to 18V
- Package Type = DIP
- Number of Pins = 16
- Mounting Type = Through-Hole
- Clock Frequency = 4MHz at 5V
- Operating Temperature = -55 to 125 degrees Celsius
Interfaces
- P1-P4 = Jam Inputs for Parallel Binary Data
- Q1-Q4 = Binary Data Outputs
- CLK = Clock Input
- LD = Parallel Load (Active High)
- MR = Master Reset (Active High)
- CIN = Carry-In / Count Enable
- COUT = Carry-Out / Terminal Count
- "0" OUT = Zero State Detection Output
- VSS = Ground (0V)
- VDD = Positive Supply Voltage