pin function ognd ttl output ground (0v) ovt ttl output v cc (+3.0v) ignd internal ttl gnd (0v) ivt internal ttl v cc (+3.0v) v ee ecl v ee (0v) v cce ecl ground (+3.0v) eclk, eclk differential signal input (pecl) v bb v bb reference output q 0 ? 7 signal outputs (ttl) en three-state enable input (ttl) tclk signal input (ttl) description features 3.3v power supply pecl/ttl-to-ttl version of popular eclinps e111ae/le guaranteed low skew specification three-state enable differential internal design v bb output for single-ended operation extra ttl and ecl power/ground pins choice of ecl compatibility: 10k or 100k matched high and low output impedance available in 28-pin plcc package the sy10/100h646l are single supply, low skew translating 1:8 clock drivers. devices in the micrel- synergy h600 translator series utilize the 28-lead plcc for optimal power pinning, signal flow-through and electrical performance. the single supply h646l is similar to the ha643 which is a dual supply 1:8 version of the same function. these devices feature a 24ma ttl output stage, with ac performance specified into a 20pf load capacitance. the 10h version is compatible with 10k ecl logic levels. the 100h version is compatible with 100k levels. rev.: e amendment: /0 issue date: may, 1999 block diagram pin names pin configuration 18 17 16 15 14 13 12 56 78 91011 26 27 28 1 2 3 4 top view plcc 25 24 23 22 21 20 19 q 5 ovt q 6 ognd q 4 ognd q 7 q 3 ognd q 2 ovt q 1 ognd q 0 ivt v ee v ee v ee eclk tclk ignd en ignd v cce v cce v bb ivt eclk clockworks sy10h646l sy100h646l final 3.3v single supply octal pecl/ttl-to-ttl q 0 q 1 q 2 q 3 q 4 q 5 q 6 q 7 tclk eclk eclk en v bb 1
2 clockworks sy10h646l sy100h646l micrel dc electrical characteristics ovt = ivt = v cce = 3.0v to 3.6v t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. unit condition i ccl power supply current 120 120 120 ma total all ovt, i cch 120 120 120 ivt, and v cce pins ttl dc electrical characteristics ovt = ivt = v cce = 3.0v to 3.6v t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. unit condition v ih input high voltage 2.0 2.0 2.0 v v il input low voltage 0.8 0.8 0.8 v i ih input high current 20 20 20 av in = 2.7 v 100 100 100 v in = v cc i il input low current 0.4 0.4 0.4 ma v in = 0.5 v v oh output high voltage 2.0 2.0 2.0 vi oh = 3.0 ma v ol output low voltage 0.5 0.5 0.5 v i ol = 24 ma v ik input clamp voltage 1.2 1.2 1.2 v i in = 18ma i os output short circuit current 100 100 100 ma v oh = 0v truth table tclk eclk eclk en q gnd l h h l gnd h l h h h gnd gnd h h l gnd gnd h l xx xl z note: x = don't care l = low voltage level h = high voltage level z = three-state symbol rating value unit v e (ecl) power supply 0.5 to +7.0 v v t (ttl) voltage 0.5 to +7.0 v i (ecl) input voltage 0.0 to v ee v v i (ttl) 0.5 to v cc v out (ttl) disabled 3-state 0.0 to v cct v output i out (ecl) output current ma - continuous 50 - surge 100 t store storage temperature 65 to +150 ? c t a operating temperature 0 to +85 ? c absolute maximum ratings (1) note: 1. do not exceed.
3 clockworks sy10h646l sy100h646l micrel ovt = ivt = v cce = 3.0v to 3.6v t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. unit condition i ih input high current 225 175 175 a i il input low current 0.5 0.5 0.5 a v ih input high voltage (1) 2.130 2.460 2.170 2.490 2.240 2.580 v v e = 3.3v v il input low voltage (1) 1.350 1.820 1.350 1.820 1.350 1.855 v v e = 3.3v v bb output reference voltage (1) 1.920 2.030 1.950 2.050 1.990 2.110 v v e = 3.3v note: 1. v ih , v il and v bb are referenced to v cc and will vary 1:1 with the power supply. the levels shown are for v cc = +3.3v. 10h ecl dc electrical characteristics 100h ecl dc electrical characteristics ovt = ivt = v cce = 3.0v to 3.6v t a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. unit condition i ih input high current 225 175 175 a i il input low current 0.5 0.5 0.5 a v ih input high voltage (1) 2.135 2.420 2.135 2.420 2.135 2.420 v v e = 3.3v v il input low voltage (1) 1.490 1.825 1.490 1.825 1.490 1.825 v v e = 3.3v v bb output reference voltage (1) 1.920 2.040 1.920 2.040 1.920 2.040 v v e = 3.3v note: 1. v ih , v il and v bb are referenced to v cc and will vary 1:1 with the power supply. the levels shown are for v cc = +3.3v.
4 clockworks sy10h646l sy100h646l micrel logic diagram product ordering code ordering package operating code type range sy10h646ljc j28-1 commercial sy10h646ljctr j28-1 commercial sy100h646ljc j28-1 commercial sy100h646ljctr j28-1 commercial iv t = ovt = v cce = 3.0v to 3.6v t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit condition t plh propagation delay eclk to q 2.3 3.3 2.25 3.25 2.2 3.2 ns c l = 20pf t phl tclk to q 2.3 3.3 2.25 3.25 2.2 3.2 t skpp part-to-part skew (1,4) 0.5 0.5 0.5 ns c l = 20pf t skew++ within-device skew (2,4) 0.3 0.3 0.3 ns c l = 20pf t skew within-device skew (3,4) 0.3 0.3 0.3 ns c l = 20pf t r rise 0.8v to 2.0v 0.3 1.5 0.3 1.5 0.3 1.5 ns c l = 20pf t f fall time 0.8v to 2.0v 0.3 1.5 0.3 1.5 0.3 1.5 ns c l = 20pf t pw output pulse width ns c l = 20pf 66mhz @ 2.0v 5.5 5.5 5.5 66mhz @ 0.8v 5.5 5.5 5.5 60mhz @ 2.0v 6.0 6.0 6.0 60mhz @ 0.8v 6.0 6.0 6.0 t stability clock stability (7) 75 75 75 ps c l = 20pf f max maximum input frequency (5,6) 160 160 160 mhz c l = 20pf ac electrical characteristics notes: 1. device-to-device skew considering high-to-high or low-to-low transitions at common v cc level. 2. within-device skew considering high-to-high transitions at common v cc level. 3. within-device skew considering low-to-low transitions at common v cc level. 4. all skew parameters are guaranteed but not tested. 5. frequency at which output levels will meet a 0.8v to 2.0v minimum swing. 6. the f max value is specified as the minimum guaranteed maximum frequency. actual operational maximum frequency may be greater. 7. clock stability is the period variation between two successive rising edges.
5 clockworks sy10h646l sy100h646l micrel internal ttl power internal ttl ground ivt01 ovt01 q0a ognd0 ignd01 figure 1. output structure figure 2. power versus frequency (typical) additional information 0 0 p dynamic = c l v swing v cc p total = p static + p dynamic power (mw) frequency ( mhz ) power vs frequency per bit 0 0 50 100 150 200 250 300 20 40 60 80 100 100pf no load 20pf 50pf 200pf 300pf
6 clockworks sy10h646l sy100h646l micrel 28 lead plcc (j28-1) rev. 03 micrel-synergy 3250 scott boulevard santa clara ca 95054 usa tel + 1 (408) 980-9191 fax + 1 (408) 914-7878 web http://www.micrel.com this information is believed to be accurate and reliable, however no responsibility is assumed by micrel for its use nor for an y infringement of patents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or pat ent right of micrel inc. ? 2000 micrel incorporated
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