1 idt74fct3807d/e 3.3v cmos 1-to-10 clock driver industrial temperature range july 2006 2006 integrated device technology, inc. dsc-5865/17 c idt74fct3807d/e industrial temperature range 3.3v cmos 1-to-10 clock driver description: the fct3807 is a 3.3v clock driver built using advanced cmos technol- ogy. this low skew clock driver offers 1:10 fanout. the large fanout from a single input reduces loading on the preceding driver and provides an efficient clock distribution network. multiple power and grounds reduce noise. typical applications are clock and signal distribution. functional block diagram in o 1 o 2 o 3 o 4 o 5 o 6 o 7 o 8 o 9 o 10 pin configuration gnd v cc gnd v cc gnd gnd v cc gnd o 5 v cc in o 1 o 2 o 3 o 4 o 10 o 9 o 8 o 7 o 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ssop/ qsop/ tssop top view features: ? advanced cmos technology ? guaranteed low skew < 100ps (max.) ? very low duty cycle distortion< 250ps (max.) ? high speed propagation delay< 2ns (max.) ? very low cmos power levels ? ttl compatible inputs and outputs ? 1:10 fanout ? maximum output rise and fall time < 1ns (max.) ? low input capacitance: 3pf typical ?v cc = 3.3v 0.3v ? inputs can be driven from 3.3v or 5v components ? operating frequency up to 166mhz ? available in ssop, qsop, and tssop packages the idt logo is a registered trademark of integrated device technology, inc.
2 industrial temperature range idt74fct3807d/e 3.3v cmos 1-to-10 clock driver notes: 1. for conditions shown as max. or min., use appropriate value specified under electrical characteristics for the applicable dev ice type. 2. typical values are at v cc = 3.3v, +25c ambient. 3. this parameter is not directly testable, but is derived for use in total power supply calculations. 4. i c = i quiescent + i inputs + i dynamic i c = i cc + i cc d h n t + i ccd (f i ) i cc = quiescent current i cc = power supply current for a ttl high input (v i n = v cc -0.6v) d h = duty cycle for ttl inputs high n t = number of ttl inputs at d h i ccd = dynamic current caused by an input transition pair (hlh or lhl) f i = input frequency capacitance (t a = +25 o c, f = 1.0mhz) symbol parameter (1) conditions typ. max. unit c in input capacitance v in = 0v 3 4 pf c out output capacitance v out = 0v ? 6 pf note: 1. this parameter is measured at characterization but not tested. pin description pin names description i n input o x outputs absolute maximum ratings (1) symbol description max unit v cc input power supply voltage ?0.5 to +4.6 v v i input voltage ?0.5 to +5.5 v v o output voltage ?0.5 to v cc +0.5 v t j junction temperature 150 c t stg storage temperature ?65 to +165 c note: 1. stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. power supply characteristics symbol parameter test conditions (1) min. typ. (2) max. unit i ccq quiescent power supply current v cc = max. v in = gnd or v cc ? 0.1 30 a i cc power supply current per input high v cc = max. v in = v cc - 0.6v ? 45 300 a i ccd dynamic power supply current v cc = max. v in = v cc ? 80 120 a/mhz per output (3) c l = 15pf v in = gnd all outputs toggling i c total power supply current (4) v cc = max. v in = v cc 125 150 c l = 15pf v in = gnd all outputs toggling v in = v cc ? 0.6v 125 150 fi = 133mhz v in = gnd ma v cc = max. v in = v cc ? 155 195 c l = 15pf v in = gnd all outputs toggling v in = v cc ? 0.6v ? 160 195 fi = 166mhz v in = gnd
3 idt74fct3807d/e 3.3v cmos 1-to-10 clock driver industrial temperature range dc electrical characteristics over operating range following conditions apply unless otherwise specified industrial: t a = -40c to +85c, v cc = 3.3v 0.3v symbol parameter test conditions (1) min. typ. (2) max. unit v ih input high level 2 ? 5.5 v v il input low level ?0.5 ? 0.8 v i ih input high current v cc = max. v i = 5.5v ? ? 1a i il input low current v cc = max. v i = gnd ? ? 1 v ik clamp diode voltage v cc = min., i in = ?18ma ? ?0.7 ?1.2 v i odh output high current v cc = 3.3v, v in = v ih or v il , v o = 1.5v (3,4) ?45 ?75 ?180 ma i odl output low current v cc = 3.3v, v in = v ih or v il , v o = 1.5v (3,4) 50 92 200 ma i os short circuit current v cc = max., v o = gnd (3,4) ?60 ?135 ?240 ma v oh output high voltage v cc = min. i oh = ?12ma 2.4 (5) 3?v v in = v ih or v il i oh = ?100 av cc - 0.2 ? ? v ol output low voltage v cc = min. i ol = 12ma ? 0.3 0.5 v v in = v ih or v il i ol = 100 a ? ? 0.2 notes: 1. for conditions shown as max. or min., use appropriate value specified under electrical characteristics for the applicable dev ice type. 2. typical values are at v cc = 3.3, 25 c ambient. 3. this parameter is guaranteed but not tested. 4. not more than one output should be shorted at one time. duration of the test should not exceed one second. 5. v oh = v cc - 0.6v at rated current.
4 industrial temperature range idt74fct3807d/e 3.3v cmos 1-to-10 clock driver notes: 1. see test circuits and waveforms. 2. minimum limits are guaranteed but not tested on propagation delays. 3. t plh , t phl , t sk ( p ), and t sk ( o ) are production tested. all other parameters guaranteed but not production tested. 4. propagation delay range indicated by min. and max. limit is due to v cc , operating temperature and process parameters. these propagation delay limits do not imply skew. 5. skew measured between all outputs under identical transitions and load conditions. 6. skew measured is difference between propagation delay times t phl and t plh of same output under identical load conditions. 7. part to part skew for all outputs given identical transitions and load conditions at identical v cc levels and temperature. 8. airflow of 1m/s is recommended for frequencies above 133mhz. switching characteristics over operating range - 3807d (3,4) symbol parameter conditions (1) min . (2) max . unit t plh propagation delay c l = 15pf 1 2.5 ns t phl f 133mhz t r output rise time (0.8v to 2v) ? 1 ns t f output fall time (2v to 0.8v) ? 1 ns t sk(o) same device output pin-to-pin skew (5) ? 250 ps t sk(p) pulse skew (6) ? 250 ps t sk(pp) part to part skew (7) ? 550 ps f max input frequency ? 133 m h z switching characteristics over operating range - 3807e (3,4) symbol parameter conditions (1,8) min . (2) max . unit t plh propagation delay c l = 15pf 0.5 2 ns t phl f 166mhz t r output rise time (0.8v to 2v) ? 1 ns t f output fall time (2v to 0.8v) ? 1 ns t sk(o) same device output pin-to-pin skew (5) ? 100 ps t sk(p) pulse skew (6) ? 250 ps t sk(pp) part to part skew (7) ? 550 ps f max input frequency ? 166 m h z
5 idt74fct3807d/e 3.3v cmos 1-to-10 clock driver industrial temperature range t plh1 output 1 output 2 t sk(o) t plh2 3v 0v v oh 1.5v 1.5v v ol v oh 1.5v v ol input t phl1 t phl2 t sk(o) t sk(o) = |t plh2 - t plh1 | or |t phl2 - t phl1 | 3v 0v v oh t plh t phl v ol 1.5v 1.5v t r t f 2.0v 0.8v input output input t plh1 package 1 output package 2 output t sk(pp) t plh2 3v 0v v oh 1.5v 1.5v v ol v oh 1.5v v ol t phl1 t phl2 t sk(pp) t sk(pp) = |t plh2 - t plh1 | or |t phl2 - t phl1 | t plh t phl 3v 0v v oh 1.5v 1.5v v ol t sk(p) = |t phl - t plh | input output test waveforms pulse skew - t sk(p) part-to-part skew - t sk(pp) output skew - t sk(o) propagation delay test circuits 15pf d.u.t. pulse generator v in v out v cc r t c l c l = 15pf circuit test conditions symbol v cc = 3.3v 0.3v unit c l 15 pf r t z out of pulse generator t r / t f 1 (0v to 3v or 3v to 0v) ns definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. t r / t f = rise/fall time of the input stimulus from the pulse generator. part-to-part skew is for the same package and speed grade.
6 industrial temperature range idt74fct3807d/e 3.3v cmos 1-to-10 clock driver ordering information idt74fct x package device type 3807d 3807e 3.3v cmos 1-to-10 clock driver py pyg q qg pg pgg shrink small outline ic ssop - green quarter-size small outline ic qsop - green thin shrink small outline ic tssop - green xxxx x process i -40c to +85c (industrial) corporate headquarters for sales: for tech support: 6024 silver creek valley road 800-345-7015 or 408-284-8200 clockhelp@idt.com san jose, ca 95138 fax: 408-284-2775 www.idt.com
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