1 pin function clk, /clk differential clock inputs d[0:1], /d[0:1] differential data inputs q[0:1], /q[0:1] differential data outputs r 0 , r 1 reset inputs s 0 , s 1 set inputs v bb v bb reference output v cc v cc v ee v ee description features 3.3v and 5v power supply option differential d, clk and q extended v ee range of ?.0v to ?.5v v bb output for single-ended use 1100mhz min. toggle frequency asynchronous reset and set fully compatible with motorola mc100lvel29 and mc100el29 available in 20-pin soic package 5v/3.3v dual differential data and clock d flip-flop w/set and reset clockworks SY100EL29V final rev.: b amendment: /0 issue date: february 2000 pin names pin configuration/block diagram 1 d0 d0 clk0 clk0 vbb d1 d1 clk1 clk1 r1 20 r0 vcc q0 q0 s0 s1 vcc q1 q1 v ee 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 qq r s d clk qq r d s clk soic top view r s d clk q /q lllzlh llhzhl hlxxlh lhxxhl h h x x undef undef truth table note: z = low-to-high transition the SY100EL29V is a dual differential register with differential data (inputs and outputs) and clock. the registers are triggered by a positive transition of the positive clock (clk) input. a high on the reset (r x ) asynchronously resets the appropriate register so that the q outputs go low. a high on the set (s x ) asynchronously resets the appropriate register so that the q outputs go high. the set and reset inputs cannot both be high simultaneously. the differential input structures are clamped so that the inputs of unused registers can be left open without upsetting the bias network of the devices. the clamping action will assert the /d and the /clk sides of the inputs. the noninverting input will pull down to v ee and the inverting input will be biased around v cc /2. because of the edge-triggered flip-flop nature of the devices, simultaneously opening both the clock and data inputs will result in an output which reaches an unidentified but valid state. the fully differential design of the devices makes them ideal for very high frequency applications where a registered data path is necessary.
2 clockworks SY100EL29V micrel symbol rating value unit v ee power supply (v cc = 0v) ?.0 to 0 vdc v i (3) input voltage (v cc = 0v) 0 to ?.0 vdc i out output current ?ontinuous 50 ma ?urge 100 t a operating temperature range ?0 to +85 c v ee operating range (1),(2) ?.7 to ?.0 v notes: 1. absolute maximum rating, beyond which, device life may be impaired, unless otherwise specified on an individual data sheet. 2. parametric values specified at: 100el29v series: ?.0v to ?.5v. 3. in pecl mode operation, v i (max) = v cc . absolute maximum ratings (1) t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. typ. max. min. max. unit i ee power supply current 50 50 30 50 50 ma i ih input high current 150 150 150 150 a i il input low current 0.5 0.5 0.5 0.5 a /clk, /dn ?00 ?00 ?00 ?00 v bb output reference ?.38 ?.26 ?.38 ?.26 ?.38 ?.26 ?.38 ?.26 v voltage dc electrical characteristics v ee = ?.0v to +5.5v; v cc = gnd
3 clockworks SY100EL29V micrel t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. typ. max. min. max. unit f max max. toggle frequency 1.1 1.1 1.1 1.1 ghz t plh propagation delay clk 480 680 490 690 500 700 520 720 ps t phl to output s, r 450 670 450 670 450 670 450 670 t s set-up time, d 200 200 200 200 ps t h hold time, d 150 150 150 150 ps t rr reset recovery time 300 300 300 300 ps t pw minimum pulse width 400 400 400 400 ps clk, set, reset v cmr common mode range (1) v <500mv ?.0 ?.4 ?.1 ?.4 ?.1 ?.4 ?.1 ?.4 500mv ?.8 ?.4 ?.9 ?.4 ?.9 ?.4 ?.9 ?.4 v pp (ac) minimum input swing (2) 150 150 150 150 mv t r output rise/fall time q 280 550 280 550 280 330 550 280 550 ps t f (20?0%) ac electrical characteristics v ee = ?.0v to +5.5v; v cc = gnd notes: 1. v cmr is referenced to the most positive side of the differential input signal. normal operation is obtained when the input signals are within the v cmr range and the input swing is greater than v pp (min.) and <1v. the lower end of the v cmr range varies 1:1 with v ee . the numbers in the spec table assume a nominal v ee = ?.3v. note for pecl operation, the v cmr (min) will be fixed at 3.3v ?|v cmr (min)|. 2. minimum input swing for which ac parameters are guaranteed. product ordering code ordering package operating code type range SY100EL29Vzc z20-1 commercial SY100EL29Vzctr z20-1 commercial
4 clockworks SY100EL29V micrel 20 lead soic .300" wide (z20-1) 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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