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1/12 august 2001 n high speed : f max = 62 mhz (typ.) at v cc = 6v n low power dissipation: i cc =4 m a(max.) at t a =25c n high noise immunity: v nih = v nil = 28 % v cc (min.) n symmetrical output impedance: |i oh | = i ol = 4ma (min) n balanced propagation delays: t plh @ t phl n wide operating voltage range: v cc (opr) = 2v to 6v n pin and function compatible with 74 series 162 description the m74hc162 is an high speed cmos synchronous bcd decade presettable counter fabricated with silicon gate c 2 mos technology. the clock input is active on the rising edge. both load and clear inputs are active low. presetting is synchronous on the rising edge of the clock, the function is synchronous to the clock. two enable inputs (te and pe) and carry output are provided to enable easy cascading of counters, which facilities easy implementation of n-bit counters without using external gates. all inputs are equipped with protection circuits against static discharge and transient excess voltage. m74hc162 synchronous presettable 4-bit counter pin connection and iec logic symbols order codes package tube t & r dip m74hc162b1r sop M74HC162M1R m74hc162rm13tr tssop m74hc162ttr tssop dip sop
m74hc162 2/12 input and output equivalent circuit pin description truth table x : dont care a, b, c, d : logic level of data inputs carry : carry = teq a q b q c q d logic diagram this logic diagram has not be used to estimate propagation delays pin no symbol name and function 1 clear asynchronous master reset 2 clock clock input (low to high, edge-triggered) 3, 4, 5, 6 a, b, c, d data inputs 7 pe count enable input 10 te count enable carry input 9load parallel enable input 14, 13, 12, 11 qa to qd flip flop outputs 15 carry output terminal count output 8 gnd ground (0v) 16 vcc positive supply voltage inputs outputs function clear load pe te clock qa qb qc qd l x x x l l l l reset to "0" h l x x a b c d preset data h h x l no change no count h h l x no change no count h h h h count up count h x x x no change no count
m74hc162 3/12 timing chart absolute maximum ratings absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditi ons is not implied (*) 500mw at 65 c; derate to 300mw by 10mw/ c from 65 c to 85 c symbol parameter value unit v cc supply voltage -0.5 to +7 v v i dc input voltage -0.5 to v cc + 0.5 v v o dc output voltage -0.5 to v cc + 0.5 v i ik dc input diode current 20 ma i ok dc output diode current 20 ma i o dc output current 25 ma i cc or i gnd dc v cc or ground current 50 ma p d power dissipation 500(*) mw t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 300 c
m74hc162 4/12 recommended operating conditions dc specifications symbol parameter value unit v cc supply voltage 2 to 6 v v i input voltage 0 to v cc v v o output voltage 0 to v cc v t op operating temperature -55 to 125 c t r , t f input rise and fall time v cc = 2.0v 0 to 1000 ns v cc = 4.5v 0 to 500 ns v cc = 6.0v 0 to 400 ns symbol parameter test condition value unit v cc (v) t a = 25c -40 to 85c -55 to 125c min. typ. max. min. max. min. max. v ih high level input voltage 2.0 1.5 1.5 1.5 v 4.5 3.15 3.15 3.15 6.0 4.2 4.2 4.2 v il low level input voltage 2.0 0.5 0.5 0.5 v 4.5 1.35 1.35 1.35 6.0 1.8 1.8 1.8 v oh high level output voltage 2.0 i o =-20 m a 1.9 2.0 1.9 1.9 v 4.5 i o =-20 m a 4.4 4.5 4.4 4.4 6.0 i o =-20 m a 5.9 6.0 5.9 5.9 4.5 i o =-4.0 ma 4.18 4.31 4.13 4.10 6.0 i o =-5.2 ma 5.68 5.8 5.63 5.60 v ol low level output voltage 2.0 i o =20 m a 0.0 0.1 0.1 0.1 v 4.5 i o =20 m a 0.0 0.1 0.1 0.1 6.0 i o =20 m a 0.0 0.1 0.1 0.1 4.5 i o =4.0 ma 0.17 0.26 0.33 0.40 6.0 i o =5.2 ma 0.18 0.26 0.33 0.40 i i input leakage current 6.0 v i = v cc or gnd 0.1 1 1 m a i cc quiescent supply current 6.0 v i = v cc or gnd 44080 m a
m74hc162 5/12 ac electrical characteristics (c l = 50 pf, input t r = t f = 6ns) symbol parameter test condition value unit v cc (v) t a = 25c -40 to 85c -55 to 125c min. typ. max. min. max. min. max. t tlh t thl output transition time 2.0 25 75 95 110 ns 4.5 7151922 6.0 6131619 t plh t phl propagation delay time (clock - q) 2.0 48 125 155 190 ns 4.5 16 25 31 38 6.0 14 21 26 32 t plh t phl propagation delay time (clock - carry) 2.0 57 150 190 225 ns 4.5 19 30 38 45 6.0 16 26 32 38 t plh t phl propagation delay time (te - carry) 2.0 39 100 125 150 ns 4.5 13 20 25 30 6.0 11 17 21 26 f max maximum clock frequency 2.0 6.2 18 5 4.2 mhz 4.5 31 53 25 21 6.0 37 62 30 25 t w(h) t w(l) minimum pulse width (clock) 2.0 18 75 95 110 ns 4.5 6151922 6.0 6131619 t s minimum set-up time (load , pe, te) 2.0 40 100 125 150 ns 4.5 10 20 25 30 6.0 8172126 t s minimum set-up time (a, b, c, d) 2.0 20 75 95 110 ns 4.5 5151922 6.0 3131619 t s minimum set-up time (clear ) 2.0 20 75 95 110 ns 4.5 5151922 6.0 3131619 t h minimum hold time (a, b - clock) 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 t rem minimum removal time 2.0 18 50 65 75 ns 4.5 4101315 6.0 3 9 11 13
m74hc162 6/12 capacitive characteristics 1) c pd is defined as the value of the ics internal equivalent capacitance which is calculated from the operating current consumption without load. (refer to test circuit). average operating current can be obtained by the following equation. i cc(opr) = c pd x v cc x f in + i cc test circuit c l = 50pf or equivalent (includes jig and probe capacitance) r t = z out of pulse generator (typically 50 w ) waveform 1: propagation delay times, minimum pulse width (f=1mhz; 50% duty cycle) symbol parameter test condition value unit v cc (v) t a = 25c -40 to 85c -55 to 125c min. typ. max. min. max. min. max. c in input capacitance 5.0 5101010pf c pd power dissipation capacitance (note 1) 5.0 50 pf
m74hc162 7/12 waveform 2 : minimum setup and hold time (f=1mhz; 50% duty cycle) waveform 3 :minimum setup and hold time (f=1mhz; 50% duty cycle)
m74hc162 8/12 waveform 4 : minimum setup and hold time (f=1mhz; 50% duty cycle) waveform 5 : propagation delay time (f=1mhz; 50% duty cycle)
m74hc162 9/12 dim. mm. inch min. typ max. min. typ. max. a1 0.51 0.020 b 0.77 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 f 7.1 0.280 i 5.1 0.201 l 3.3 0.130 z 1.27 0.050 plastic dip-16 (0.25) mechanical data p001c
m74hc162 10/12 dim. mm. inch min. typ max. min. typ. max. a 1.75 0.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.5 0.019 c1 45 (typ.) d 9.8 10 0.385 0.393 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 8.89 0.350 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m 0.62 0.024 s8 (max.) so-16 mechanical data po13h
m74hc162 11/12 dim. mm. inch min. typ max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0 80 8 l 0.45 0.60 0.75 0.018 0.024 0.030 tssop16 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 0080338d
m74hc162 12/12 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2001 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malaysia - malta - morocco singapore - spain - sweden - switzerland - united kingdom ? http://www.st.com

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