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hd74hc192/hd74hc193 synchronous up/down decade counter (dual clock line) synchronous up/down 4-bit binary counter (dual clock line) ade-205-465 (z) 1st. edition sep. 2000 description the hd74hc192 is a decade counter, and the hd74hc193 is a binary counter. both counters have two separate clock inputs, an up count input and a down count input. all outputs of the flip-flops are simultaneously triggered on the low to high transition of either clock while the other input is held high. the direction of counting is determined by which input is clocked. these counters may be preset by entering the desired data on the data a, data b, data c, and data d inputs. when the load input is taken low the data is loaded independently of either clock input. this feature allows the counters to be used as divide-by-n counters by modifying the count length with the preset inputs. in addition both counters can also be cleared. this is accomplished by inputting a high on the clear input. all 4 internal stages are set to a low level independently of either count input. both a borrow and carry output are provided to enable cascading of both up and down counting functions. the borrow output produces a negative going pulse when the counter underflows and the carry outputs a pulse when the counter overflows. the counters can be cascaded by connecting the carry and borrow outputs of one device to the count up and count down inputs, respectively, of the next device. features high speed operation: t pd (clock up or count down to q) = 21 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?)
hd74hc192/hd74hc193 2 pin arrangement 1 2 3 4 5 6 7 8 q b q a q c q d gnd v cc data a clear borrow carry load data c data d 16 15 14 13 12 11 10 9 (top view) data b input count down count down count up borrow outputs outputs inputs a clear carry load c d q d q c count up q a q b b inputs inputs outputs
hd74hc192/hd74hc193 3 logic diagram hd74hc192 count down count up data a data b data c data d load clear borrow ck r q s q ck ck r q s q ck ck r q s q ck ck r q s q ck carry q a q b q c q d
hd74hc192/hd74hc193 4 hd74hc193 count down count up data a data b data c data d load clear borrow ck r q s q ck ck r q s q ck ck r q s q ck ck r q s q ck carry q a q b q c q d
hd74hc192/hd74hc193 5 timing chart hd74hc192 illustrated below is the following sequence: 1. clear outputs to zero. 2. load (preset) to binary seven. 3. count up to eight, nine, zero, one and two. 4. count down to one, zero, borrow, nine, eight and seven. clear load carry borrow 0 clear 7 89012 10987 sequence illustrated count up count down q a a data inputs b c d q b q c q d preset count up count down
hd74hc192/hd74hc193 6 hd74hc193 illustrated below is the following sequence: 1. clear outputs to zero. 2. load (preset) to binary thirteen. 3. count up to fourteen, fifteen, zero, one and two. 4. count down to one, zero, borrow, fifteen and thirteen. clear load carry borrow 0 clear 13 14 15 0 1 2 1 0 15 14 13 count up count down q a a data inputs b c d q b q c q d outputs preset count up count down
hd74hc192/hd74hc193 7 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
hd74hc192/hd74hc193 8 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 4 3 mhz frequency 4.5 20 16 6.0 24 19 propagation delay t plh 2.0 140 175 ns count up to carry time 4.5 14 28 35 6.0 24 30 t phl 2.0 130 165 4.5 15 26 33 6.0 22 28 t plh 2.0 130 165 count down to borrow 4.5 14 26 33 6.0 22 28 t phl 2.0 130 165 4.5 15 26 33 6.0 22 28 t plh 2.0 215 270 count up or down to q 4.5 21 43 54 6.0 37 46 t phl 2.0 275 345 4.5 21 55 69 6.0 47 59 t plh 2.0 230 290 load to q 4.5 17 46 58 6.0 39 49 t phl 2.0 290 365 4.5 23 58 73 6.0 49 62 t phl 2.0 265 335 clear to q 4.5 24 53 66 6.0 45 56 pulse width t w 2.0 80 100 ns 4.5 16 8 20 6.0 14 17
hd74hc192/hd74hc193 9 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 hold time t h 2.0 5 5 ns data to load 4.5 5 3 5 6.0 5 5 setup time t su 2.0 100 125 ns data to load 4.5 20 4 25 6.0 17 21 removal time t rem 2.0 50 65 ns clear to clock 4.5 10 ? 13 6.0 9 11 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
hd74hc192/hd74hc193 10 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
hd74hc192/hd74hc193 11 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
hd74hc192/hd74hc193 12 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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