HEF4017B 5-stage Johnson decade counter Rev. 9 8 April 2016 Product data sheet 1. General description The HEF4017B is a 5-stage Johnson decade counter with ten spike-free decoded active HIGH outputs (Q0 to Q9), an active LOW carry output from the most significant flip-flop (Q5-9), active HIGH and active LOW clock inputs (CP0, CP1) and an overriding asynchronous master reset input (MR). The counter is advanced by either a LOW-to-HIGH transition at CP0 while CP1 is LOW or a HIGH-to-LOW transition at CP1 while CP0 is HIGH (see Table 3). When cascading counters, the Q5-9 output, which is LOW while the counter is in states 5, 6, 7, 8, and 9, can be used to drive the CP0 input of the next counter. A HIGH on MR resets the counter to zero (Q0 = Q5-9 = HIGH Q1 to Q9 = LOW) independent of the clock inputs (CP0, CP1). Automatic counter code correction is provided by an internal circuit: following any illegal code the counter returns to a proper counting mode within 11 clock pulses. Schmitt trigger action makes the clock inputs highly tolerant of slower rise and fall times. It operates over a recommended V power supply range of 3 V to 15 V referenced to V DD SS (usually ground). Unused inputs must be connected to V , V , or another input. DD SS 2. Features and benefits Automatic counter correction Tolerant of slow clock rise and fall times Fully static operation 5 V, 10 V, and 15 V parametric ratings Standardized symmetrical output characteristics Specified from 40 C to +125 C Complies with JEDEC standard JESD 13-B 3. Ordering information Table 1. Ordering information All types operate from 40 C to +125 C Type number Package Name Description Version HEF4017BT SO16 plastic small outline package 16 leads body width 3.9 mm SOT109-1HEF4017B Nexperia 5-stage Johnson decade counter 4. Functional diagram &3 &3 +1 2 ( -817(5 67 *1 &2 62 05 2 7 4 4 Fig 1. Functional diagram 4 4 4 4 4 )) )) )) )) 4 4 4 4 4 05 4 4 4 DK D Fig 2. Logic diagram HEF4017B All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2017. All rights reserved Product data sheet Rev. 9 8 April 2016 2 of 18 4 4 4 4 4 4 4 4 5 5 5 5 5 &3 &3 &3 &3 &3 &3 )) &3 DDK 4 4 4 4 4 4 4 4 5< 5&8,&, (&2 ,1 3871* 87 4