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1/12 august 2001 n high speed: f max = 20 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 ol = |i oh | = 6ma (min) for qn i ol = |i oh | = 4ma (min) for rco 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 593 description the m74hc593 is an high speed cmos 8-bit register counter (3 state) fabricated with silicon gate c 2 mos technology. this device consists of a parallel input, 8 bit storage register feeding an 8 bit binary counter. both the counter and register clocks are positive edge triggered. in addition, the counter has direct load and clear functions. expansions is easily accomplished by connecting rco of first stage to the count enable ccken , of the second stage etc. the m74hc593 comes in a 20 pin package and has 3 state i/o, which provides parallel counter outputs. all inputs are equipped with protection circuits against static discharge and transient excess voltage. m74hc593 8 binary counter register with input register (3 state) pin connection and iec logic symbols order codes package tube t & r dip m74hc593b1r sop M74HC593M1R m74hc593rm13tr tssop m74hc593ttr tssop dip sop
m74hc593 2/12 input and output equivalent circuit pin description truth table x: dont care rco = qa qbqcqdqeqfqgqh (qa to qh : internal outputs of the counter) pin no symbol name and function 1, 2, 3, 4, 5, 6, 7, 8 a/qa to h/qh binary outputs 9 cload counter clock load input 11 r co ripple carry output 12 cclr counter clear input 13 cck counter clock input 14, 15 ccken , ccken counter clock enable inputs 16 rck register clock input 17 rcken register clock enable input 18, 19 g , g output enable 10 gnd ground (0v) 20 v cc positive supply voltage inputs function gg cclr ccken ccken cck cload rcken rck lhxxxxxxx all q bus become high z and can be applied any data hxxxxxxxx the output data of the counter is enable on qa thru qh xlxxxxxxx x x l x x x h x x counter is cleared to zero xxhxxxlxx the data of q bus is loaded into counter xxhhx hxx counter advances the count xx h x l h x x xxhhx hxx no count xx h x l h x x x x h l h x h x x no count x x x x x x x h x register data is not changed x x x x x x x l register data is not changed xxxxxxxl the dataof q bus is stored into register
m74hc593 3/12 logic diagram this logic diagram has not be used to estimate propagation delays
m74hc593 4/12 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 source sink current per output pin (rco ) (qa - qh) 20 35 ma i cc or i gnd dc v cc or ground current 70 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
m74hc593 5/12 dc specification 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 (for rco output) 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 oh high level output voltage (for qa to qh outputs) 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 =-6.0 ma 4.18 4.31 4.13 4.10 6.0 i o =-7.8 ma 5.68 5.8 5.63 5.60 v ol low level output voltage (for rco output) 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 v ol low level output voltage (for qa to qh outputs) 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 =6.0 ma 0.17 0.26 0.33 0.40 6.0 i o =7.8 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 oz high impedance output leakage current 6.0 v i = v ih or v il v o = v cc or gnd 0.5 5 10 m a i cc quiescent supply current 6.0 v i = v cc or gnd 44080 m a
m74hc593 6/12 ac electrical characteristics (c l = 50 pf, input t r = t f = 6ns) symbol parameter test condition value unit v cc (v) c l (pf) t a = 25c -40 to 85c -55 to 125c min. typ. max. min. max. min. max. t tlh t thl output transition time(rco ) 2.0 50 30 75 95 115 ns 4.5 8151923 6.0 7131620 t tlh t thl output transition time (qn) 2.0 50 20 60 75 90 ns 4.5 7121518 6.0 6101315 t plh t phl propagation delay time (cck - qn) 2.0 50 108 210 265 315 ns 4.5 27 42 53 63 6.0 23 36 45 54 2.0 150 124 240 300 360 ns 4.5 31 48 60 72 6.0 26 41 51 61 t plh t phl propagation delay time (cload - qn) 2.0 50 108 210 265 315 ns 4.5 27 42 53 63 6.0 23 36 45 54 2.0 150 124 240 300 360 ns 4.5 31 48 60 72 6.0 26 41 51 61 t phl propagation delay time (cclr - qn) 2.0 50 112 220 275 330 ns 4.5 28 44 55 66 6.0 24 37 47 56 2.0 150 128 250 315 375 ns 4.5 32 50 63 75 6.0 27 43 54 64 t plh t phl propagation delay time (cck - rco ) 2.0 50 144 250 315 375 ns 4.5 36 50 63 75 6.0 31 10 54 64 t plh t phl propagation delay time (cload - rco ) 2.0 50 152 295 370 445 ns 4.5 38 59 74 89 6.0 32 50 63 76 t plh t phl propagation delay time (cclr - rco ) 2.0 50 116 225 280 340 ns 4.5 29 45 56 68 6.0 25 38 48 58 t plh t phl propagation delay time (rck - rco ) 2.0 50 188 360 450 540 ns 4.5 47 72 90 108 6.0 40 61 77 93 t pzl t pzh high impedance output enable time 2.0 50 r l = 1 k w 72 145 180 220 ns 4.5 18 29 36 44 6.0 15 25 31 38 2.0 150 r l = 1 k w 88 175 220 265 ns 4.5 22 35 44 53 6.0 19 30 37 45 t plz t phz high impedance output disable time 2.0 50 r l = 1 k w 80 140 175 210 ns 4.5 22 28 35 42 6.0 17 24 30 36
m74hc593 7/12 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 f max maximum clock frequency 2.0 50 5.4 4 4.4 3.6 mhz 4.5 27 17 22 18 6.0 32 20 26 21 t w(h) t w(l) minimum pulse width (cck, rck) 2.0 50 44 100 125 150 ns 4.5 11 20 25 30 6.0 9172126 t w(l) minimum pulse width (cclr , cload ) 2.0 50 40 100 125 150 ns 4.5 10 20 25 30 6.0 9172126 t s minimum set-up time (ccken, ccken , cck) 2.0 50 56 125 160 195 ns 4.5 14 25 32 39 6.0 12 21 27 33 t s minimum set-up time (rcken , rck) 2.0 50 32 75 95 110 ns 4.5 8151922 6.0 7131619 t s(h) minimum set-up time (rck - cload) 2.0 50 56 125 160 195 ns 4.5 14 25 32 39 6.0 12 21 27 33 t s minimum set-up time(a to h - rck) 2.0 50 16 50 60 70 ns 4.5 4101214 6.0 3 9 11 12 t h minimum hold time 2.0 50 000 ns 4.5 0 0 0 6.0 0 0 0 t rem minimum removal time (cclr , cload ) 2.0 50 555 ns 4.5 5 5 5 6.0 5 5 5 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 5101010pf c pd power dissipation capacitance (note 1) 19 pf symbol parameter test condition value unit v cc (v) c l (pf) t a = 25c -40 to 85c -55 to 125c min. typ. max. min. max. min. max.
m74hc593 8/12 test circuit c l = 50pf/150pf or equivalent (includes jig and probe capacitance) r 1 = 1k w or equivalent r t = z out of pulse generator (typically 50 w ) test switch t plh , t phl open t pzl , t plz v cc t pzh , t phz gnd
m74hc593 9/12 dim. mm. inch min. typ max. min. typ. max. a1 0.254 0.010 b 1.39 1.65 0.055 0.065 b 0.45 0.018 b1 0.25 0.010 d 25.4 1.000 e 8.5 0.335 e 2.54 0.100 e3 22.86 0.900 f 7.1 0.280 i 3.93 0.155 l 3.3 0.130 z 1.34 0.053 plastic dip-20 (0.25) mechanical data p001j
m74hc593 10/12 dim. mm. inch min. typ max. min. typ. max. a 2.65 0.104 a1 0.1 0.2 0.004 0.008 a2 2.45 0.096 b 0.35 0.49 0.014 0.019 b1 0.23 0.32 0.009 0.012 c 0.5 0.020 c1 45 (typ.) d 12.60 13.00 0.496 0.512 e 10.00 10.65 0.393 0.419 e 1.27 0.050 e3 11.43 0.450 f 7.40 7.60 0.291 0.300 l 0.50 1.27 0.020 0.050 m 0.75 0.029 s8 (max.) so-20 mechanical data po13l
m74hc593 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 6.4 6.5 6.6 0.252 0.256 0.260 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 tssop20 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 0087225c
m74hc593 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 ? 2000 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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