fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic 1.0 features ? three plls with deep reference, feedback, and post dividers to provide precision clock frequencies ? multiple outputs provide several clocking options ? outputs may be tristated for board testing ? s0, s1, and s2 inputs modify output frequencies for design flexibility ? 3.3v operation ? accepts 5 to 30mhz crystals (see frequency table for specific reference frequencies required) ? custom frequency patterns, pinouts, and packages are available. contact your local ami sales repre- sentative for more information. 2.0 description the fs6322 is a rom-based cmos clock generator ic designed to minimize cost and component count in a va- riety of electronic systems. three low-jitter phase-locked loops (plls) drive up to five low-skew clock outputs to provide a high degree of flexi- bility. the device is packaged in a 16-pin soic to mini- mize board space. high-resolution divider capability permits generation of desired frequencies. figure 1: pin configuration 1 16 2 3 4 5 6 7 8 15 14 13 12 11 10 9 clk_c vdd vss xin xout/refin clk_e clk_d clk_f clk_b clk_a vss s0 s1 vdd s2 oe fs6322 16-pin (0.150?) soic figure 2: block diagram fs6322-05 crystal oscillator xout xin pll a pll b pll c clock logic clk_e clk_f clk_a clk_b clk_c clk_d s2:s0 oe device control
2 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic table 1: pin descriptions key: ai = analog input; ao = analog output; di = digital input; di u = input with internal pull-up; di d = input with internal pull-down; dio = digital input/output; di-3 = three-level digital input, do = digital output; p = power/ground; # = active low pin pin type name description 1 do clk_c c clock output 2 p vdd power supply (3.3v nominal ? see version specific information) 3 p vss ground 4 ai xout / refin crystal oscillator drive / external reference input 5 ao xin crystal oscillator feedback 6 do clk_e e clock output 7 do clk_d d clock output 8 do clk_f f clock output 9 do clk_b a clock output 10 do clk_a b clock output 11 p vss ground 12 di u s0 frequency select control input 13 di u s1 frequency select control input 14 p vdd power supply (5v to 3.3v) 15 di u s2 frequency select control input 16 di u oe output enable input: logic-high enables outputs; logic-low tristates outputs (high impedance) table 2: frequency table ? fs6322-05 (3.3volt) (all frequencies in mhz) s2 s1 s0 fref clk_a (pin 10) clk_b (pin 9) clk_c (pin 1) clk_d (pin 7) clk_e (pin 6) clk_f (pin 8) 000 16.0000 25.00000 10.00000 1.84320 0.00000 0.00000 0.00000 001 11.0592 24.57600 11.28960 1.84320 33.33336 25.00002 20.00002 010 13.5000 36.86400 18.43200 16.93440 27.00000 33.86880 54.00000 011 13.5000 33.86880 16.93440 16.93440 27.00000 33.86880 54.00000 100 13.5000 33.86880 73.72800 49.15200 27.00000 27.00000 54.00000 101 13.5000 33.86880 67.73760 45.15840 27.00000 27.00000 54.00000 110 13.5000 33.86880 49.15200 32.76800 27.00000 27.00000 54.00000 111 13.5000 33.86880 36.86400 24.57600 27.00000 27.00000 54.00000
3 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic 3.0 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, dc (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 150 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 3.3v 10% 3 3.3 3.6 v ambient operating temperature range t a 070c crystal resonator frequency f xin 530mhz output load capacitance c l 20 pf
4 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic table 5: dc electrical specifications unless otherwise stated, v dd = 3.3v 10%, no load on any output, and ambient temperature range t a = 0c to 70c. parameters denoted with an asterisk ( * ) represent nominal characterization data and are not production tested to any specific limits. where given, min and max characterization data are 3 from 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 xtal = 27mhz; c l = 0pf, v dd = 3.3v fs6322-05: s[2:0]=[100] 20 ma digital inputs (oe, s2, s0) high-level input voltage v ih 2.4 v dd +0.3 v low-level input voltage v il v ss -0.3 0.8 v high-level input current i ih v in = v dd -1 1 a low-level input current (pull-up) i il v in = 0v -8 a digital inputs (s1) high-level input voltage v ih 2.4 v dd +0.3 v low-level input voltage v il v ss -0.3 0.8 v high-level input current i ih v in = v dd -1 1 a low-level input current (pull-up) i il v in = 0v -16 a crystal oscillator crystal loading capacitance c l(xtal) as seen by a crystal connected to xin and xout 16 pf crystal drive level r xtal =20 ? 200 uw clock outputs (clka, clkb) output current high i oh v o = 2.4v -4 ma output current low i ol v o = 0.4v 4 ma short circuit source current * i osh v o = 0v; shorted for 30s, max. -35 ma short circuit sink current * i osl v o = 3.3v; shorted for 30s, max. 40 ma z oh v o = 0.5v dd ; output driving high 45 output impedance * z ol v o = 0.5v dd ; output driving low 45 ?
5 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic table 6: ac timing specifications unless otherwise stated, v dd = 3.3v 10%, no load on any output, and ambient temperature range t a = 0c to 70c. parameters denoted with an asterisk ( * ) represent nominal characterization data and are not production tested to any specific limits. where given, min and max characterization data are 3 from typical. parameter symbol conditions/description clock (mhz) min. typ. max. units clock output (clk_x) duty cycle * crystal oscillator derived outputs measured @1.4v; c l = 20pf 43 51 57 % duty cycle * pll derived outputs measured @1.4v; c l = 20pf 45 51 55 % rise time * t r v o = 0.4v to 2.4v; c l = 20pf 2.2 ns fall time * t f v o = 2.4v to 0.4v; c l = 20pf 1.8 ns jitter, period (rms) * t j(1 ) from rising edge to next rising edge at v dd /2, c l = 20pf 50 ps jitter, period (peak-peak) * t j( ? p) from rising edge to next rising edge at v dd /2, c l = 20pf 400 ps jitter, cumulative (rms)* t j(lt) pll-derived outputs from 0-500 s at v dd /2, c l = 20pf compared to ideal clock source 100 ps phase noise * pll derived outputs @ 100khz offset from fundamental -80 dbc/hz
6 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic 4.0 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 16-pin 0.150? soic ja air flow = 0 m/s 95 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
7 fs6322-05 fs6322-05 fs6322-05 fs6322-05 three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic three-pll clock generator ic 5.0 ordering information ordering code device number package type operating temperature range shipping configuration 11825-808 fs6322-05 16-pin (0.150?) soic (small outline package) 0 c to 70 c (commercial) tape and reel 11825-818 fs6322-05 16-pin (0.150?) soic (small outline package) 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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