CD4040 12-Stage Binary Ripple Counter – Datasheet

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CD4040 belongs to the CD4000 IC series. It is a 12-stage ripple carry binary counter. The counter advances one count on the negative transition of each clock pulse. The counters are reset to the zero states by a logical “1” at the reset input independent of the clock. CD4040 is always available in 16 – pin hermetically sealed dual inline IC package (IC). The output of the IC always comes in TTL, making it very easy to interface it with other TTL, CMOS, and NMOS devices. The IC has many additional features such as high noise immunity and i/O static protection through clamping diodes.

What is a Binary Ripple Counter?

A binary ripple counter generally uses a bistable multivibrator circuit so that cache input applied to the counter causes the count to advance or decrease. The Q and Q output terminals are always logically opposite. If the Q output is logical 1 (SET), the Q output then logical 0, If the Q output is logical 0 (REST), then the output is logical 1.A simple Binary ripple counter can easily be made by rigging at least two D – type flip flops.

CD4040 Key Features

  • Wide supply voltage range: 1.0V to 15V
  • High noise immunity: 0.45 VDD (typ.)
  • Low power TTL compatibility: Fan out of 2 driving 74L or 1 driving 74LS
  • Medium speed operation: 8 MHz typ. at VDD = 10V
  • Schmitt trigger clock input

CD4040 Pinout

Pin NoPin NameDescription
1Q12Output 12 of ripple counter
2Q6Output 6 of ripple counter
3Q5Output 5 of ripple counter
4Q7Output 7 of ripple counter
5Q4Output 4 of ripple counter
6Q3Output 3 of ripple counter
7Q2Output 2 of ripple counter
8VSSSource supply
9Q1Output 1 of ripple counter
10CLK 1Clock signal Pin 1
11R 1Reset value Pin 1
12Q9Output 9 of ripple counter
13Q8Output 8 of ripple counter
14Q10Output 10 of ripple counter
15Q11Output 11 of ripple counter
16VDDDrain supply

Application

  • Control counters
  • Timers
  • Frequency dividers
  • Time-delay circuits

CD4040 Datasheet

You can download the datasheet for CD4040 12-stage Binary/Ripple Counter IC from the link given below:

See Also: CD4049 Hex Buffer Converter – Datasheet | CD4094 8-stage Shift-and-Store Bus Register – Datasheet | CD40109 Low-to-High Voltage Level Shifter – Datasheet