CD4040 - 12-Stage Ripple Carry Binary Counter IC
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The CD4x Series CD4040 is a ripple-carry binary counter that features 12 stages, push-pull type, and balanced outputs, with standard speed (TPD > 50ns). All counter stages are master-slave flip-flops. Supports wide input voltage ranges from 3V to 18V. The maximum input current at 18V is 1 uA whereas 100 nA at 18V and 25°C.
All counter stages are master-slave flip-flops. The state of a counter advances one count on the negative transition of each input pulse; a high level on the RESET line resets the counter to its all-zeros state. Schmitt's trigger action on the input-pulse line permits unlimited rise and fall times. All inputs and outputs are buffered. 16 Pin DIP is available in a hermetic dual-in-line ceramic package.
We also have a CD4020 with similar features. The differences are CD4020 is a 14 Stage binary counter whereas CD4040 is a 12 Stage binary counter and there is a difference between the pin layout.
check out : CD4518 - Dual BCD Up Counter IC (Original)
Selected qty of IC - CD4040
| VCC (Min) | 3V |
| VCC (Max) | 18V |
| Bits (#) | 12 |
| Voltage (Nom) | 5V, 10V, and 15V |
| F at nom voltage (Max) | 8MHz |
| ICC at nom voltage (Max) | 0.03mA |
| tpd at nom Voltage (Max)(ns) | 160ns |
| IOL (Max) | 1.5mA |
| IOH (Max) | -1.5mA |
| Function | Counter |
| Type | Binary |
| Operating temperature range (C) | -55 to 125 |
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