7级纹波进位二进制计数器 7-Stage Ripple Carry Binary Counter
General Description
The CD4024BC is a 7-stage ripple-carry binary counter. Buffered outputs are externally available from stages 1 through 7. The counter is reset to its logical “0” stage by a logical “1” on the reset input. The counter is advanced one count on the negative transition of each clock pulse.
Features
■Wide supply voltage range: 3.0V to 15V
■High noise immunity: 0.45 VDDtyp.
■Low power TTL compatibility: Fan out of 2 driving 74L or 1 driving 74LS
■High speed: 12 MHz typ.
input pulse rate VDD −VSS =10V
■Fully static operation