The TC74HC4017A is a high speed CMOS decade Johnson Counter manufactured with silicon gate C2MOS technology. It achieves high speed comparable equivalent Lsttl while maintaining the CMOS-Low Power dissipation. It contains 5-speed shared-by-10 Johnson counter with 10 Decoded output (Q0-Q9) and output conveyor bits. This counter is moved on the positive flank of the clock signal When clock-free gifting signal (CE) input is kept low, or are moved Raised on the negative flank of the CE at CK input, and Selected from ten output becomes high. Hold high the CLR Input, this counter will be back the nult state regardless of The other input conditions. All inputs are equipped with circuit protection against static discharge or transient overvoltage.

Functions • High speed: FMAX

= 87 MHz (type.) At VCC = 5 V

• Low power consumption Dissipation: ICC = 4 Pa ​​(max) at TA = 25 ° C

• High insensitivity to noise: VNIH = VNIL = 28% VCC (min)

• Driving outputs Power: 10 lsttl loads

• Symmetrical output impedance: | Ioh | = IOL = 4 mA (min)

• Balanced propagation delays: TPLH ~ - TPHL

• Breed Operating Voltage: VCC (OPR) = 2-6 V

• PIN and function compatible with 4017B

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