technical data IW4020B 14 stage ripple-carry binary counter/divider high-voltage silicon-gate cmos n suffix plastic dip 1 16 1 16 ordering information the IW4020B is ripple-carry binary counter. 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 leve l on the reset line resets the counter to its all zeros state. schmitt trigge r action on the input-pulse line permits unlimited rise and fall times. ? operating voltage range: 3.0 to 18 v ? maximum input current of 1 a at 18 v over full package-temperature range; 100 na at 18 v and 25 c ? noise margin (over full p ackage temperature range): 1.0 v min @ 5.0 v supply 2.0 v min @ 10.0 v supply IW4020Bn plastic dip IW4020Bd soic t a = -55 to 125 c for all packages 2.5 v min @ 15.0 v supply logic diagram rev. 00 function table inputs output clock reset output state l no change l advance to next state x h all outputs are low h= high level l = low level x=don?t care pin 16 =v cc pin 8 = gnd pin assignment 10 9 7 5 4 6 13 12 14 15 1 11 2 3 clock reset q1 q4 q5 q6 q7 q8 q9 q10 q11 q12 q13 q14
IW4020B rev. 00 maximum ratings * symbol parameter value unit v cc dc supply voltage (referenced to gnd) -0.5 to +20 v v in dc input voltage (referenced to gnd) -0.5 to v cc +0.5 v v out dc output voltage (referenced to gnd) -0.5 to v cc +0.5 v i in dc input current, per pin 10 ma p d power dissipation in still air, plastic dip+ soic package+ 500* 1 mw p tot power dissipation per output transistor 100 mw tstg storage temperature -65 to +150 c t l lead temperature, 1 mm from case for 10 seconds (plastic dip or soic package) 260 c * maximum ratings are those values beyond which damage to the device may occur. functional operation should be restricted to the reco mmended operating conditions. * 1 for t a =-55 to 100 c (package plastic dip), for t a =-55 to 65 c (package soic) +derating - plastic dip: - 12 mw/ c from 100 to 125 c soic package: : - 7 mw/ c from 65 to 125 c recommended operating conditions symbol parameter min max unit v cc dc supply voltage (referenced to gnd) 3.0 18 v v in , v out dc input voltage, output voltage (referenced to gnd) 0 v cc v t a operating temperature, all package types -55 +125 c this device contains protection circuitry to guard agains t damage due to high static voltages or electric fields. however, precautions must be taken to avoid applications of any voltage highe r than maximum rated voltages to this high-impedance circuit. for proper operation, v in and v out should be constrained to the range gnd (v in or v out ) v cc . unused inputs must always be tied to an appropriate logic voltage level (e.g., either gnd or v cc ). unused outputs must be left open.
IW4020B rev. 00 dc electrical characteristics (voltages referenced to gnd) v cc guaranteed limit symbol parameter test conditions v -55 c 25 c 125 c unit v ih minimum high-level input voltage v out =0.5 v or v cc - 0.5 v v out =1.0 v or v cc - 1.0 v v out =1.5 v or v cc - 1.5 v 5.0 10 15 3.5 7.0 11.0 3.5 7.0 11.0 3.5 7.0 11.0 v v il maximum low -level input voltage v out =0.5 v or v cc - 0.5 v v out =1.0 v or v cc - 1.0 v v out =1.5 v or v cc - 1.5 v 5.0 10 15 1.5 3.0 4.0 1.5 3.0 4.0 1.5 3.0 4.0 v v oh minimum high-level output voltage v in = gnd or v cc 5.0 10 15 4.95 9.95 14.95 4.95 9.95 14.95 4.95 9.95 14.95 v v ol maximum low-level output voltage v in = gnd or v cc 5.0 10 15 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 v i in maximum input leakage current v in = gnd or v cc 18 0.1 0.1 1.0 a i cc maximum quiescent supply current (per package) v in = gnd or v cc 5.0 10 15 20 5 10 20 100 5 10 20 100 150 300 600 3000 a i ol minimum output low (sink) current v in = gnd or v cc u ol =0.4 v u ol =0.5 v u ol =1.5 v 5.0 10 15 0.64 1.6 4.2 0.51 1.3 3.4 0.36 0.9 2.4 ma i oh minimum output high (source) current v in = gnd or v cc u oh =2.5 v u oh =4.6 v u oh =9.5 v u oh =13.5 v 5.0 5.0 10 15 -2.0 -0.64 -1.6 -4.2 -1.6 -0.51 -1.3 -3.4 -1.15 -0.36 -0.9 -2.4 ma
IW4020B ac electrical characteristics (c l =50 pf, r l =200 k , t r =t f =20 ns) v cc guaranteed limit symbol parameter v -55 c 25 c 125 c unit f max maximum clock frequency (figure 1) 5.0 10 15 3.5 8 12 mhz t plh , t phl maximum propagation delay, clock to q1 (figure 1) 5.0 10 15 720 320 260 360 160 130 720 320 260 ns t plh , t phl maximum propagation delay, q n to q n+1 (figure 2) 5.0 10 15 660 160 120 330 80 60 660 160 120 ns t phl maximum propagation delay, reset to any q (figure 3) 5.0 10 15 560 240 200 280 120 100 560 240 200 ns t tlh , t thl maximum output transition time, any output (figure 1) 5.0 10 15 400 200 160 200 100 80 400 200 160 ns c in maximum input capacitance - 7.5 pf timing requirements (c l =50 pf, r l =200 k , t r =t f =20 ns) v cc guaranteed limit symbol parameter v -55 c 25 c 125 c unit t w minimum pulse width, clock (figure 1) 5.0 10 15 280 120 80 140 60 40 280 120 80 ns t w minimum pulse width, reset (figure 3) 5.0 10 15 400 160 120 200 80 60 400 160 120 ns t rem minimum removal time, reset(figure 3) 5.0 10 15 700 300 200 350 150 100 700 300 200 ns t r, t f maximum input rise and fall times, clock (figure 1) 5.0 10 15 unlimited ns figure 1. switching waveforms figure 2. switching waveforms rev. 00
IW4020B figure 3. switching waveforms timing diagram clock reset q1 q4 q5 q6 q7 q8 q9 q10 q11 q12 q13 q14 1 2 4 8 16 32 64 128 256 512 1024 2048 409 6 8192 16384 expanded logic diagram clock reset q1 cl1 cl1 ff1 q1 q1 q1 r cl2 cl2 ff2 q2 q2 r cl14 cl14 ffi4 q14 q14 r cl3 q13 cl3 q13 ff3-ff13 q4 q13 q14 rev. 00
IW4020B n suffix plastic (ms - 001bb) dimensions, mm symbol min l h m j a b f g d seating plane n k 0.25 (0.010) m t -t- c 1 16 8 9 max a 18.67 19.69 b 6.10 7.11 c 5.33 d 0.36 0.56 f 1.14 1.78 g 2.54 h 7.62 j rev. 00 notes: 1. imensions ?a?, ?b? do not include mold flash or protrusions. maximum mold flash or protrusions 0.25 mm (0.010) per side. 0 10 k 2.92 3.81 l 7.62 8.26 m 0.20 0.36 n 0.38 dimensions, mm symbol . min d suffix soic (ms - 012ac) a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 16 8 9 max a 9.80 10.0 b 3.80 4.00 c 1.35 1.75 d 0.33 0.51 f 0.40 1.27 g 1.27 h 5.72 j 0 8 k 0.10 0.25 notes: m 0.19 0.25 1.dimensions a and b do not include mold flash or protrusion. p 5.80 6.20 2.maximum mold flash or protrusion 0.15 mm (0.006) per side for a, for b - 0.25 mm (0.010) per side. r 0.25 0.50
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