CD4029 Presettable Binary/Decade Up/Down Counter COM21

CD4029 Presettable Binary/Decade Up/Down Counter COM21

Fr1,500 Fr1,000

*Programmable binary and decade counting/frequency synthesizers-BCD output
*Analog to digital and digital to analog conversion
*Up/Down binary counting
*Magnitude and sign generation
*Up/Down decade counting
*Difference counting


CD4029B consists of a four-stage binary or BCD-decade up/down counter with provisions for look-ahead carry in both counting modes. The inputs consist of a single CLOCK, CARRY-IN (CLOCK ENABLE), BINARY/DECADE, UP/DOWN, PRESET ENABLE, and four individual JAN signals, Q1, Q2, Q3, Q4 and a CARRY OUT signal are provided as outputs.

* Wide supply voltage range: 3V to 15V
* High noise immunity: 0.45 VDD (typ.)
* Low power TTL compatibility: fan out of 2 driving 74L or 1 driving 74LS
* Parallel jam inputs
* Binary or BCD decade up/down counting