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hd74hc160/hd74hc161/ hd74hc162/hd74hc163 synchronous decade counter (direct clear) synchronous 4-bit binary counter (direct clear) synchronous decade counter (synchronous clear) synchronous 4-bit binary counter (synchronous clear) ade-205-455 (z) 1st. edition sep. 2000 description the hd74hc160 and the hd74hc162 are 4 bit decade counters, and the hd74hc161 and the hd74hc163 are 4 bit binary counters all flip-flops are clocked simultaneously on the low to high to transition (positive edge) of the clock input waveform. these counters may be preset using the load input. presetting of all four flip-flops is synchronous to thte rising edge of clock. when load is held low counting is disabled and the data on the a, b, c, and d inputs is loaded into the counter on the rising edge of clock. if the load input is taken high before the positive edge of clock the count operation will be unaffected. all of these counters may be cleared by utilizing the clear input. the clear function on the hd74hc162 and hd74hc163 counters are synchronous to the clock. that is, the counters are cleared on the positive edge of clock while the clear input is held low. the hd74hc160 and hd74hc161 counters are cleared asynchronously. when the clear is taken low the counter is cleared immediately regardless of the clock. two active high enable inputs enable p and enable t and a ripple carry output are provided to enable easy cascading of counters. both enable inputs must be high to count. the enable t input also enables the ripple carry output. when enabled, the ripple carry outputs a positive pulse when the counter overflows. this pulse is approximately equal in duration to the high level portion of the q a outputs. the ripple carry output is fed to successive cascaded stages to facilitate easy implementation of n-bit counters. features high speed operation: t pd (clock to q) = 18 ns typ (c l = 50 pf) high output current: fanout of 10 lsttl loads wide operating voltage: v cc = 2 to 6 v low input current: 1 ? max low quiescent supply current: i cc (static) = 4 ? max (ta = 25?)
hd74hc160/hd74hc161/hd74hc162/hd74hc163 2 pin arrangement 1 2 3 4 5 6 7 8 clear clock a b c d enable p gnd v cc q a q b q c q d enable t load 16 15 14 13 12 11 10 9 (top view) ck p a c d b ripple carry ripple carry output outputs data inputs q a q b q d t q c clr load function table inputs outputs clock clear * 1 load enable p enable t q n l x x x reset-clear h l x x load input data h h h h count h h l x no count h h x l no count note: 1. 162 and 163 only-160 and 161 are asynchronous clear devices decade counter binary counter asynchronous clear hd74hc160 hd74hc161 synchronous clear hd74hc162 hd74hc163
hd74hc160/hd74hc161/hd74hc162/hd74hc163 3 dc characteristics ta = 25 c ta = ?0 to +85 c item symbol v cc (v) min typ max min max unit test conditions input voltage v ih 2.0 1.5 1.5 v 4.5 3.15 3.15 6.0 4.2 4.2 v il 2.0 0.5 0.5 v 4.5 1.35 1.35 6.0 1.8 1.8 output voltage v oh 2.0 1.9 2.0 1.9 v vin = v ih or v il i oh = ?0 m a 4.5 4.4 4.5 4.4 6.0 5.9 6.0 5.9 4.5 4.18 4.13 i oh = ? ma 6.0 5.68 5.63 i oh = ?.2 ma v ol 2.0 0.0 0.1 0.1 v vin = v ih or v il i ol = 20 m a 4.5 0.0 0.1 0.1 6.0 0.0 0.1 0.1 4.5 0.26 0.33 i ol = 4 ma 6.0 0.26 0.33 i ol = 5.2 ma input current iin 6.0 0.1 1.0 m a vin = v cc or gnd quiescent supply current i cc 6.0 4.0 40 m a vin = v cc or gnd, iout = 0 m a
hd74hc160/hd74hc161/hd74hc162/hd74hc163 4 ac characteristics (c l = 50 pf, input t r = t f = 6 ns) ta = 25 c ta = ?0 to +85 c item symbol v cc (v) min typ max min max unit test conditions maximum clock f max 2.0 5 4 mhz frequency 4.5 25 20 6.0 29 23 propagation delay t plh 2.0 160 200 ns clock to q time t phl 4.5 18 32 40 6.0 27 34 2.0 225 280 ns clear to q 4.5 23 45 56 (hc160, hc161 only) 6.0 38 48 2.0 150 190 ns enable t to ripple carry output 4.5 15 30 38 6.0 26 33 2.0 200 250 ns clock to ripple carry output 4.5 16 40 50 6.0 34 43 setup time t su 2.0 125 156 ns data to clock 4.5 25 9 31 6.0 21 26 2.0 125 156 load to clock 4.5 25 15 31 6.0 21 26 2.0 125 156 clear to clock 4.5 25 31 (hc162, hc163 only) 6.0 21 26 hold time t h 2.0 0 0 ns 4.5 0 7 0 6.0 0 0 removal time t rem 2.0 100 125 ns 4.5 20 7 25 6.0 17 21
hd74hc160/hd74hc161/hd74hc162/hd74hc163 5 ac characteristics (c l = 50 pf, input t r = t f = 6 ns) (cont) ta = 25 c ta = ?0 to +85 c item symbol v cc (v) min typ max min max unit test conditions pulse width t w 2.0 80 100 ns 4.5 16 6 20 6.0 14 17 output rise/fall t tlh 2.0 75 95 ns time t thl 4.5 5 15 19 6.0 13 16 input capacitance cin 5 10 10 pf function table count enable/disable control inputs result at outputs load enable p enable t q a to q d ripple carry output h h h count high when q a to q d are maximum l h h no count x l h no count high when q a to q d are maximum x h l no count l x l l no count l
hd74hc160/hd74hc161/hd74hc162/hd74hc163 6 timing diagram hd74hc160/hd74hc162 sequence illustrated in waveforms. 1. clear outputs to zero. 2. preset to bcd seven. 3. count to eight, nine, zero, one, two and three. 4. inhibit (asynchronous) clear (hc160) clear (hc162) clock(hc160) ripple carry output clear load count 0 9 8 73 2 1 inhibit clock(hc162) enable p enable t load data inputs count enables outputs a b c d q a q b q c q d (synchronous)
hd74hc160/hd74hc161/hd74hc162/hd74hc163 7 hd74hc161/hd74hc163 sequence illustrated in waveforms. 1. clear outputs to zero. 2. preset to binary twelve. 3. count to thirteen, fourteen, fifteen, zero, one and two. 4. inhibit (asynchronous) clear (hc161) clear (hc163) clock(hc161) ripple carry output clear load count 15 14 13 12 2 1 0 inhibit clock(hc163) enable p enable t load data inputs count enables outputs a b c d q a q b q c q d (synchronous)
hd74hc160/hd74hc161/hd74hc162/hd74hc163 8 logic diagram hd74hc160 decade counter with asynchronous clear t 1 q a q a q a q b q c q d ripple carry output clr c load load load clock clear enable t enable p d c b a c p 1 clr c c load load t 2 q b q b p 2 clr c c load load t 3 v cc q c q c p 3 clr c c load load t 4 q d q d p 4 clr c c load load
hd74hc160/hd74hc161/hd74hc162/hd74hc163 9 hd74hc161 4-bit binary counter with asynchronous clear t 1 q a q a q a q b q c q d ripple carry output clr c load load load clock clear enable t enable p d c b a c p 1 clr c c load load t 2 q b q b p 2 clr c c load load t 3 q c q c p 3 clr c c load load t 4 q d q d p 4 clr c c load load
hd74hc160/hd74hc161/hd74hc162/hd74hc163 10 hd74hc162 decade counter with synchronous clear ck q a q b q c q d rco ck a b c d p t v cc ld clr ck ld ld ld clr ld clr clr clr q q t ck ck ld ld ld clr ld clr clr in clr q q t ck ck ld ld ld clr ld clr clr in clr q q t ck ck ld ld ld clr ld clr clr in clr q q t ck ck ld ld ld clr ld clr clr in clr
hd74hc160/hd74hc161/hd74hc162/hd74hc163 11 hd74hc163 4-bit binary counter with synchronous clear ck q a q b q c q d rco ck a b c d p t ld clr ck ld ld ld clr ld clr clr clr q q t ck ck ld ld ld clr ld clr clr in clr q q t ck ck ld ld ld clr ld clr clr in clr q q t ck ck ld ld ld clr ld clr clr in clr q q t cr cr ld ld ld clr ld clr clr in clr
hd74hc160/hd74hc161/hd74hc162/hd74hc163 12 package dimensions hitachi code jedec eiaj mass (reference value) dp-16 conforms conforms 1.07 g unit: mm 6.30 19.20 16 9 8 1 1.3 20.00 max 7.40 max 7.62 0.25 + 0.13 ?0.05 2.54 0.25 0.48 0.10 0.51 min 2.54 min 5.06 max 0 ?15 1.11 max hitachi code jedec eiaj mass (reference value) fp-16da conforms 0.24 g unit: mm *dimension including the plating thickness base material dimension *0.22 0.05 *0.42 0.08 0.12 0.15 m 2.20 max 5.5 10.06 0.80 max 16 9 1 8 10.5 max + 0.20 ?0.30 7.80 0.70 0.20 0 ?8 0.10 0.10 1.15 1.27 0.40 0.06 0.20 0.04
hd74hc160/hd74hc161/hd74hc162/hd74hc163 13 hitachi code jedec eiaj mass (reference value) fp-16dn conforms conforms 0.15 g unit: mm *dimension including the plating thickness base material dimension 1.27 16 9 1 8 0.15 0.25 m 1.75 max 3.95 *0.22 0.03 9.9 0 ?8 10.3 max + 0.10 ?0.30 6.10 + 0.67 ?0.20 0.60 + 0.11 ?0.04 0.14 *0.42 0.08 0.635 max 0.40 0.06 0.20 0.03 1.08 hitachi code jedec eiaj mass (reference value) ttp-16da 0.05 g unit: mm *dimension including the plating thickness base material dimension 0.50 0.10 0 ?8 *0.17 0.05 6.40 0.20 0.10 1.10 max 0.13 m 0.65 18 16 9 4.40 5.00 5.30 max 0.07 +0.03 ?.04 0.65 max 1.0 0.20 0.06 + 0.08 ?0.07 *0.22 0.15 0.04
hd74hc160/hd74hc161/hd74hc162/hd74hc163 14 cautions 1. hitachi neither warrants nor grants licenses of any rights of hitachi? or any third party? patent, copyright, trademark, or other intellectual property rights for information contained in this document. hitachi bears no responsibility for problems that may arise with third party? rights, including intellectual property rights, in connection with use of the information contained in this document. 2. products and product specifications may be subject to change without notice. confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. hitachi makes every attempt to ensure that its products are of high quality and reliability. however, contact hitachi? sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. design your application so that the product is used within the ranges guaranteed by hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the hitachi product. 5. this product is not designed to be radiation resistant. 6. no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from hitachi. 7. contact hitachi? sales office for any questions regarding this document or hitachi semiconductor products. hitachi, ltd. semiconductor & integrated circuits. nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: tokyo (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 2000. all rights reserved. printed in japan. hitachi asia ltd. hitachi tower 16 collyer quay #20-00, singapore 049318 tel : <65>-538-6533/538-8577 fax : <65>-538-6933/538-3877 url : http://www.hitachi.com.sg url northamerica : http://semiconductor.hitachi.com/ europe : http://www.hitachi-eu.com/hel/ecg asia : http://sicapac.hitachi-asia.com japan : http://www.hitachi.co.jp/sicd/indx.htm hitachi asia ltd. (taipei branch office) 4/f, no. 167, tun hwa north road, hung-kuo building, taipei (105), taiwan tel : <886>-(2)-2718-3666 fax : <886>-(2)-2718-8180 telex : 23222 has-tp url : http://www.hitachi.com.tw hitachi asia (hong kong) ltd. group iii (electronic components) 7/f., north tower, world finance centre, harbour city, canton road tsim sha tsui, kowloon, hong kong tel : <852>-(2)-735-9218 fax : <852>-(2)-730-0281 url : http://www.hitachi.com.hk hitachi europe ltd. electronic components group. whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 585160 hitachi europe gmbh electronic components group dornacher stra b e 3 d-85622 feldkirchen, munich germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi semiconductor (america) inc. 179 east tasman drive, san jose,ca 95134 tel: <1> (408) 433-1990 fax: <1>(408) 433-0223 for further information write to: colophon 2.0

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