CD74HC4059M96E4

高速CMOS逻辑CMOS可编程分频N计数器 High-Speed CMOS Logic CMOS Programmable Divide-by-N Counter

Description

The ’HC4059 are high-speed silicon-gate devices that are pin-compatible with the CD4059A devices of the CD4000B series. These devices are divide-by-N down-counters that can be programmed to divide an input frequency by any number “N” from 3 to 15,999. The output signal is a pulse one clock cycle wide occurring at a rate equal to the input frequency divide by N. The down-counter is preset by means of 16 jam inputs.

Features

• Synchronous Programmable÷N Counter N = 3 to 9999 or 15999

• Presettable Down-Counter

• Fully Static Operation

• Mode-Select Control of Initial Decade Counting Function ÷10, 8, 5, 4, 2

• Master Preset Initialization

• Latchable÷N Output

• Fanout Over Temperature Range

  - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads

  - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55oC to 125oC

• Balanced Propagation Delay and Transition Times

• Significant Power Reduction Compared to LSTTL Logic ICs

• HC Types

\- 2V to 6V Operation

\- High Noise Immunity: NIL= 30%, NIH= 30% of VCC at VCC= 5V

Applications

• Communications Digital Frequency Synthesizers; VHF, UHF, FM, AM, etc.

• Fixed or Programmable Frequency Division

• “Time Out” Timer for Consumer-Application Industrial Controls