tc74vhc4020f/ft/fk 2007-10-01 1 toshiba cmos digital integrated ci rcuit silicon monolithic tc74vhc4020f,tc74vhc4 020ft,TC74VHC4020FK 14-stage ripple carry binary counter the tc74vhc4020 is an advanced high speed cmos 14-stage binary counter/divid er fabricated with silicon gate c 2 mos technology. it achieves the high speed op eration similar to equivalent bipolar schottky ttl while main taining the cmos low power dissipation. setting clr to high resets the counter to low. a negative transition on the ck input brings one increment into the counter. this counter provides all divide d output stages, and at q12, a 1/4096 divided frequency will be output. an input protection circuit en sures that 0 to 5.5 v can be applied to the input pins withou t regard to the supply voltage. this device can be used to interface 5 v to 3 v systems and two supply systems such as battery back up. this circuit prevents device destruction due to mismat ched supply and input voltages. features ? high speed: f max = 210 mhz (typ.) at v cc = 5 v ? low power dissipation: i cc = 4 a (max) at ta = 25c ? high noise immunity: v nih = v nil = 28% v cc (min) ? power down protection is provided on all inputs. ? balanced propagation delays: t plh ? t phl ? wide operating voltage range: v cc (opr) = 2 v to 5.5 v ? low noise: v olp = 1.5 v (max) ? pin and function compatible with 74hc4020 tc74vhc4020f tc74vhc4020ft TC74VHC4020FK weight sop16-p-300-1.27a : 0.18 g (typ.) tssop16-p-0044-0.65a : 0.06 g (typ.) vssop16-p-0030-0.50 : 0.02 g (typ.)
tc74vhc4020f/ft/fk 2007-10-01 2 pin assignment iec logic symbol truth table ck clr output state x h all outputs = ?l? l no change l advance to next state x: don?t care v cc 16 15 14 13 12 11 10 1 2 3 4 5 6 7 q7 gnd 8 9 (top view) q13 q14 q12 ck q4 q5 q6 q11 q10 q8 q9 clr q1 rctr 14 (11) + (9) 0 ct = 0 (10) ck clr 13 ct q1 (5) (6) (7) (4) (13) (12) (14) q4 q5 q6 q7 q8 q9 q10 (15) (1) (2) (3) q11 q12 q13 q14 3 4
tc74vhc4020f/ft/fk 2007-10-01 3 system diagram absolute maximum ratings (note) characteristics symbol rating unit supply voltage range v cc ? 0.5 to 7.0 v dc input voltage v in ? 0.5 to 7.0 v dc output voltage v out ? 0.5 to v cc + 0.5 v input diode current i ik ? 20 ma output diode current i ok 20 ma dc output current i out 25 ma dc v cc /ground current i cc 100 ma power dissipation p d 180 mw storage temperature t stg ? 65 to 150 c note: exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in ic performance or even destruction. using continuously under heavy loads (e.g. the app lication of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temper ature/current/voltage, etc. ) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). ck q d r ck q d r 6 q7 ck clr 10 3 ck q d q14 11 ck q d q13 r r ck q d q12 r ck q d q11 r ck q d q10 r ck q d r ck q d r ck q d r ck q d r ck q d r 2 1 15 14 97 5 q1 q4 q5 q9 12 ck q d r ck q d r 4 q6 q8 13
tc74vhc4020f/ft/fk 2007-10-01 4 operating ranges (note) characteristics symbol rating unit supply voltage v cc 2.0 to 5.5 v input voltage v in 0 to 5.5 v output voltage v out 0 to v cc v operating temperature t opr ? 40 to 85 c input rise and fall time dt/dv 0 to 100 (v cc = 3.3 0.3 v) 0 to 20 (v cc = 5 0.5 v) ns/v note: the operating ranges must be maintained to ensure the normal oper ation of the device. unused inputs must be tied to either vcc or gnd. electrical characteristics dc characteristics test condition ta = 25c ta = ? 40 to 85c characteristics symbol v cc (v) min typ. max min max unit high-level input voltage v ih D 2.0 3.0 to 5.5 1.50 v cc 0.7 D D D D 1.50 v cc 0.7 D D v low-level input voltage v il D 2.0 3.0 to 5.5 D D D D 0.50 v cc 0.3 D D 0.50 v cc 0.3 v i oh = ? 50 a 2.0 3.0 4.5 1.9 2.9 4.4 2.0 3.0 4.5 D D D 1.9 2.9 4.4 D D D high-level output voltage v oh v in = v ih or v il i oh = ? 4 ma i oh = ? 8 ma 3.0 4.5 2.58 3.94 D D D D 2.48 3.80 D D v i ol = 50 a 2.0 3.0 4.5 D D D 0.0 0.0 0.0 0.1 0.1 0.1 D D D 0.1 0.1 0.1 low-level output voltage v ol v in = v ih or v il i ol = 4 ma i ol = 8 ma 3.0 4.5 D D D D 0.36 0.36 D D 0.44 0.44 v input leakage current i in v in = 5.5 v or gnd 0 to 5.5 D D 0.1 D 1.0 a quiescent supply current i cc v in = v cc or gnd 5.5 D D 4.0 D 40.0 a timing requirements (input: t r = t f = 3 ns) test condition ta = 25c ta = ? 40 to 85c characteristics symbol v cc (v) typ. limit limit unit minimum pulse width ( ck ) t w (l) t w (h) D 3.3 0.3 5.0 0.5 D D 5.0 5.0 5.0 5.0 ns minimum pulse width (clr) t w (h) D 3.3 0.3 5.0 0.5 D D 5.0 5.0 5.0 5.0 ns minimum removal time t rem D 3.3 0.3 5.0 0.5 D D 5.0 5.0 5.0 5.0 ns
tc74vhc4020f/ft/fk 2007-10-01 5 ac characteristics (input: t r = t f = 3 ns) test condition ta = 25c ta = ? 40 to 85c characteristics symbol v cc (v) c l (pf) min typ. max min max unit 15 D 7.5 11.9 D 14.0 3.3 0.3 50 D 10.0 15.4 D 17.5 15 D 4.8 7.3 D 8.5 propagation delay time ( ck -q1) t plh t phl D 5.0 0.5 50 D 6.3 9.3 D 10.5 ns 3.3 0.3 50 D 2.4 4.4 D 5.0 propagation delay time (q n -q n + 1) t pd D 5.0 0.5 50 D 1.6 3.1 D 3.5 ns 15 D 8.3 12.8 D 15.0 3.3 0.3 50 D 10.8 16.3 D 18.5 15 D 5.6 8.6 D 10.0 propagation delay time (clr-q) t phl D 5.0 0.5 50 D 7.1 10.6 D 12.0 ns 15 75 140 D 75 D 3.3 0.3 50 55 80 D 50 D 15 150 210 D 125 D maximum clock frequency f max D 5.0 0.5 50 95 125 D 80 D mhz input capacitance c in D D 4 10 D 10 pf power dissipation capacitance c pd (note) D 21 D D D pf note: c pd is defined as the value of the internal equivalent capacitance which is ca lculated from the operating current consumption without load. average operating current can be obtained by the equation: i cc (opr) = c pd v cc f in + i cc noise characteristics (input: t r = t f = 3 ns) test condition ta = 25c characteristics symbol v cc (v) typ. limit unit quiet output maximum dynamic v ol v olp c l = 50 pf 5.0 1.2 1.5 v quiet output minimum dynamic v ol v olv c l = 50 pf 5.0 ? 1.2 ? 1.5 v minimum high level dynamic input voltage v ihd c l = 50 pf 5.0 D 3.5 v maximum low level dynamic input voltage v ild c l = 50 pf 5.0 D 1.5 v
tc74vhc4020f/ft/fk 2007-10-01 6 input equivalent circuit input
tc74vhc4020f/ft/fk 2007-10-01 7 package dimensions weight: 0.18 g (typ.)
tc74vhc4020f/ft/fk 2007-10-01 8 package dimensions weight: 0.06 g (typ.)
tc74vhc4020f/ft/fk 2007-10-01 9 package dimensions weight: 0.02 g (typ.)
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