american microsystems, inc. may 2000 american microsystems, inc. reserves the right to change the detail specifications as may be required to permit improvements in the design of its products. 5.4.00 fs6108 fs6108 fs6108 fs6108 -01 -01 -01 -01 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic iso9001 iso9001 iso9001 iso9001 1.0 features ? generates up to nine clock outputs, grouped as 4-4-1 from one reference clock input ? pin enable/disable of two banks of four clocks ? auto power-down shuts off pll, brings outputs low in the absence of any ref input ? tracking skew < 200ps (spread-spectrum tolerant) ? input-to-output propagation delay < 200ps ? available in a 16-pin 0.150? soic table 1: clock enable configuration control clock outputs (mhz) s2 s1 clk_a1:4 clk_b1:4 clk_fb source 0 0 tristate tristate driven pll 0 1 driven tristate driven pll 1 0 driven driven driven ref 1 1 driven driven driven pll table 2: pin descriptions key: di = digital input; di u = input with internal pull-up; di d = input with internal pull-down; dio = digital input/output; do = digital output; p = power/ground; # = active-low pin pin type name description 2do d clk_a1 clock output 3do d clk_a2 clock output 14 do d clk_a3 clock output 15 do d clk_a4 clock output bank a 6do d clk_b1 clock output 7do d clk_b2 clock output 10 do d clk_b3 clock output 11 do d clk_b4 clock output bank b 16 do d clk_fb clock output that also provides an in- ternal feedback connection to the pll 1di d ref reference clock input 8, 9 di u s2, s1 two select inputs that enable and dis- able the clock outputs, and enable or bypass the pll 4, 13 p vdd 3.3v power supply 5, 12 p vss ground figure 1: block diagram fs6108 pll ref control clk_b1 vdd vss clk_b2 clk_b3 clk_b4 clk_a1 vss clk_a2 clk_a3 clk_a4 s2 s1 clk_fb vdd figure 2: pin configuration 1 2 3 4 5 6 7 8 clk_a1 vdd ref clk_b1 clk_b2 clk_a4 clk_a3 vss clk_b3 fs6108 clk_b4 vss vdd s1 9 10 12 11 13 14 16 15 clk_a2 s2 clk_fb
american microsystems, inc. may 2000 5.4.00 2 fs6108 fs6108 fs6108 fs6108 -01 -01 -01 -01 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic iso9001 iso9001 iso9001 iso9001 2.0 electrical specifications table 3: absolute maximum ratings stresses above those listed under absolute maximum ratings may cause permanent damage to the device. these conditions represent a stress rating only, and functional operation of the device at these or any other conditions above the operational limits noted in this specification is not implied. exposure to maximum rati ng conditions for extended conditions may affect device performance, functionality, and reliability. parameter symbol min. max. units supply voltage (v ss = ground) v dd v ss -0.5 7 v input voltage, dc v i v ss -0.5 v dd +0.5 v output voltage, dc v o v ss -0.5 v dd +0.5 v input clamp current, dc (v i < 0 or v i > v dd )i ik -50 50 ma output clamp current, dc (v i < 0 or v i > v dd )i ok -50 50 ma storage temperature range (non-condensing) t s -65 150 c ambient temperature range, under bias t a -55 125 c junction temperature t j 125 c lead temperature (soldering, 10s) 260 c input static discharge voltage protection (mil-std 883e, method 3015.7) 2 kv caution: electrostatic sensitive device permanent damage resulting in a loss of functionality or performance may occur if this device is subjected to a high-energy ele c- trostatic discharge. table 4: operating conditions parameter symbol conditions/description min. typ. max. units supply voltage v dd 3.0 3.3 3.6 v operating temperature range t a 070c load capacitance c l clk_a1:4, clk_b1:4, clk_fb 30 pf reference frequency range f ref 10 66.67 mhz
american microsystems, inc. may 2000 5.4.00 3 FS6108-01 FS6108-01 FS6108-01 FS6108-01 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic iso9001 iso9001 iso9001 iso9001 table 5: dc electrical specifications unless otherwise stated, all power supplies = 3.6v, no load on any output, and ambient temperature range t a = 0c to 70c. parameters denoted with an asterisk ( * ) represent nominal characteri- zation data and are not currently production tested to any specific limits. min and max characterization data are 3 f rom typical. negative currents indicate current flows out of the device. parameter symbol conditions/description min. typ. max. units overall supply current, dynamic, with loaded outputs i dd f ref = 66.6mhz; all supplies = 3.465v 36 ma supply current, static i dds ref stopped either high or low 20 a reference input (ref) high-level input voltage v ih 2.0 v dd +0.3 v low-level input voltage v il v ss -0.3 0.8 v high-level input current (pull-down) i ih v ih = 3.3v 25 a low-level input current i il -1 1 a digital inputs (s1, s2) high-level input voltage v ih 2.0 v dd +0.3 v low-level input voltage v il v ss -0.3 0.8 v high-level input current i ih -1 1 a low-level input current (pull-up) i il v il = 0v -30 a clock outputs (clk_a1:4, clk_b1:4, clk_fb) high level output source current i oh v o = 2.4v -7 -65 ma low level output sink current i ol v o = 0.4v 26 7 ma z ol measured at 1.5v, output driving low 20 output impedance z oh measured at 1.5v, output driving high 18 ? tristate output current i oz -10 10 a short circuit output source current i osh v dd = 3.6v, v o = 0v; shorted for 30s, max. -96 ma short circuit output sink current i osl v dd = v o = 3.6v, shorted for 30s, max. 90 ma table 6: ac timing specifications unless otherwise stated, all power supplies = 3.6v, no load on any output, and ambient temperature range t a = 25c. parameters denoted with an asterisk ( * ) represent nominal characterization data and are not currently production tested to any specific limits. min and max characterization data are 3 f rom typical. parameter symbol conditions/description min. typ. max. units clock outputs (clk_a1:4, clk_b1:4, clk_fb) duty cycle * d t ratio of high pulse width to one clock period, measured at 1.5v 45 55 % jitter, period (peak-peak) * t j( ? p) from rising edge to rising edge at 1.5v, c l =30pf 75 ps skew, tracking t sk(tr) 0.5% non-linear (lexmark) profile @ 31.5khz 190 ps skew, bank output-bank output t sk(b) clk_a2 to clk_b1; c l =30pf 250 ps pll reference zero delay t ref to clk_fb 150 ps rise time * t r measured @ 0.8v ? 2.0v; c l =30pf 1.6 ns fall time * t f measured @ 2.0v ? 0.8v; c l =30pf 1.0 ns
american microsystems, inc. may 2000 5.4.00 4 fs6108 fs6108 fs6108 fs6108 -01 -01 -01 -01 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic iso9001 iso9001 iso9001 iso9001 3.0 package information table 7: 16-pin soic (0.150") package dimensions dimensions inches millimeters min. max. min. max. a 0.061 0.068 1.55 1.73 a1 0.004 0.0098 0.102 0.249 a2 0.055 0.061 1.40 1.55 b 0.013 0.019 0.33 0.49 c 0.0075 0.0098 0.191 0.249 d 0.386 0.393 9.80 9.98 e 0.150 0.157 3.81 3.99 e 0.050 bsc 1.27 bsc h 0.230 0.244 5.84 6.20 h 0.010 0.016 0.25 0.41 l 0.016 0.035 0.41 0.89 0 8 0 8 be d a 1 seating plane h e 16 1 all radii: 0.005" to 0.01" base plane a 2 c l 7 typ. h x 45 a american microsystems, inc. r table 8: 16-pin soic (0.150") package characteristics parameter symbol conditions/description typ. units thermal impedance, junction to free-air ja air flow = 0 m/s 109 c/w corner lead 4.0 lead inductance, self l 11 center lead 3.0 nh lead inductance, mutual l 12 any lead to any adjacent lead 0.4 nh lead capacitance, bulk c 11 any lead to v ss 0.5 pf
american microsystems, inc. may 2000 5.4.00 5 FS6108-01 FS6108-01 FS6108-01 FS6108-01 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic 1:9 zero delay buffer ic iso9001 iso9001 iso9001 iso9001 4.0 ordering information table 9: device ordering codes device number ordering code package type operating temperature range shipping configuration 12055-801 16-pin (0.150?) soic 0 c to 70 c (commercial) tape and reel FS6108-01 12055-801 16-pin (0.150?) soic 0 c to 70 c (commercial) tubes copyright ? 2000 american microsystems, inc. devices sold by ami are covered by the warranty and patent indemnification provisions appearing in its terms of sale only. ami makes no warranty, express, statutory implied or by description, regarding the information set forth herein or regarding the fr eedom of the described devices from patent infringement. ami makes no warranty of merchantability or fitness for any purposes. ami re - serves the right to discontinue production and change specifications and prices at any time and without notice. ami?s products are intended for use in commercial applications. applications requiring extended temperature range, unusual environmental require- ments, or high reliability applications, such as military, medical life-support or life-sustaining equipment, are specifically not recom- mended without additional processing by ami for such applications. american microsystems, inc., 2300 buckskin rd., pocatello, id 83201, (208) 233-4690, fax (208) 234-6796, www address: http://www.amis.com e-mail: tgp@amis.com
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