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1/11 august 2001 n high speed : f max = 67mhz (typ.) at v cc = 6v n low power dissipation: i cc =2 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 76 description the m74HC76 is an high speed cmos dual j-k flip flop with clear fabricated with silicon gate c 2 mos technology. depending on with the logic level at j and k inputs, this device changes state on the negative going transition of clock pulse (ck ). clear (clr ) and preset (pr ) are independent of the clock and are accomplished by a logic low on the corresponding input. all inputs are equipped with protection circuits against static discharge and transient excess voltage. m74HC76 dual j-k flip flop with preset and clear pin connection and iec logic symbols order codes package tube t & r dip m74HC76b1r sop m74HC76m1r m74HC76rm13tr tssop m74HC76ttr tssop dip sop
m74HC76 2/11 input and output equivalent circuit pin description truth table x : dont care logic diagram pin no symbol name and function 1, 6 1ck , 2ck clock input(high to low edge triggered) 2, 7 1pr , 2pr set inputs (active low) 3, 8 1clr , 2clr asynchronous reset inputs (active low) 4, 9 1j, 2j data inputs: flip-flop 1 and 2 10, 14 1q , 2q complement flip-flop outputs 11, 15 1q, 2q true flip-flop outputs 16, 12 1k, 2k data inputs: flip-flop 1 and 2 13 gnd ground (0v) 5 vcc positive supply voltage inputs outputs function clr pr jkck qq l h x x x l h clear h l x x x h l preset llxxxhh ---- h h l l qn q n no change hhlh lh ---- hhhl hl ---- hhhh q n qn toggle h h x x qn q n no change
m74HC76 3/11 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 recommended operating conditions 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 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
m74HC76 4/11 dc specifications 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 22040 m a
m74HC76 5/11 ac electrical characteristics (c l = 50 pf, input t r = t f = 6ns) 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 /2 (per flip/ flop) 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 30 75 95 110 ns 4.5 8151922 6.0 7131619 t plh t phl propagation delay time (ck - q, q ) 2.0 60 125 155 190 ns 4.5 15 25 31 38 6.0 13 21 26 32 t plh t phl propagation delay time (clr , pr - q, q ) 2.0 76 140 175 210 ns 4.5 18 28 35 42 6.0 16 24 30 36 f max maximum clock frequency 2.0 6.2 21 5.0 4.2 mhz 4.5 31 63 25 21 6.0 37 67 30 25 t w(h) t w(l) minimum pulse width (ck ) 2.0 18 75 95 110 ns 4.5 6151922 6.0 6131619 t w(l) minimum pulse width (clr , pr ) 2.0 22 75 95 110 ns 4.5 6151922 6.0 6131619 t s minimum set-up time 2.0 25 75 95 110 ns 4.5 7151922 6.0 6131619 t h minimum hold time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 t rem minimum removal time (clr , pr ) 2.0 20 75 95 110 ns 4.5 6151922 6.0 5131619 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 38 pf
m74HC76 6/11 test circuit c l = 50pf or equivalent (includes jig and probe capacitance) r t = z out of pulse generator (typically 50 w ) waveform 1 : minimum removal time (f=1mhz; 50% duty cycle) waveform 2 : minimum removal time (f=1mhz; 50% duty cycle)
m74HC76 7/11 waveform 3 : propagation delay, minimum pulse width, setup and hold time (f=1mhz; 50% duty cycle) waveform 4 : minimum pulse width, propagation delay time ( f = 1 m h z ; 5 0 % d u t y c y c l e )
m74HC76 8/11 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
m74HC76 9/11 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
m74HC76 10/11 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
m74HC76 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 11/11

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