Decade Up/Down Counter with Clear IC - 74HC192
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The 74HC Series 74HC192 IC is an asynchronously presettable BCD Decade and Binary Up/Down synchronous counters, respectively. Presetting the counter to the number on the preset data inputs (P0-P3) is accomplished by a LOW asynchronous parallel load input (PL)\. The counter is incremented on the low-to-high transition of the Clock-Up input (and a high level on the Clock-Down input) and decremented on the low-to-high transition of the Clock-Down input (and a high level on the Clock-up input).
check out : 4-Bit Binary Ripple Counter IC - 74HC93
A high level of the MR input overrides any other input to clear the counter to its zero state. The Terminal Count up (carry) goes low half a clock period before the zero counts are reached and returns to a high level at the zero counts. The Terminal Count Down (borrow) in the count down mode likewise goes low half a clock period before the maximum count (9 in the 192) and returns to high at the maximum count. Cascading is effected by connecting the carry and borrow outputs of a less significant counter to the Clock-Up and CLock-Down inputs, respectively, of the next most significant counter.
check out : CD4029 - Binary Decade Up-Down Counter IC
Selected qty of IC - 74HC192
| Part Number | 74HC192 |
| Technology Family | HC |
| VCC (Min) (V) | 2 |
| VCC (Max) (V) | 6 |
| Bits (#) | 4 |
| Voltage (Nom) (V) | 3.3, 5 |
| F @ nom voltage (Max) (MHz) | 28 |
| ICC @ nom voltage (Max)(mA) | 0.08 |
| tpd @ nom Voltage (Max) (ns) | 46 |
| IOL (Max) (mA) | 5.2 |
| IOH (Max) (mA) | -5.2 |
| Function | Counter |
| Type | Decade |
| Operating Temperature © | -55 to 125 |
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