data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 1 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| features ? zero ppm multiplication error ? input crystal frequency of 5 - 30 mhz ? input clock frequency of 4 - 50 mhz ? output clock frequencies up to 200 mhz ? peak to peak jitter less than 200ps over 200ns interval (100~200mhz) ? period jitter less than 100ps(70~200mhz) ? duty cycle of 45/55% up to 120 mhz at +3.3v and 150mhz at +5v ? 9 selectable frequencies controlled by s0, s1 pins ? operating voltages of 3.0 to 5.5v ? tri-state output for board level testing general the PT7C4511 is a high performance frequency multiplier, which integrates analog phase lock loop techniques. the PT7C4511 is the most cost effective way to generate a high quality, high frequency clock output from a lower frequency crystal or clock input. it is designed to replace crystal oscillators in most electronic systems, clock multiplier and frequency translation. using phase-locked-loop (pll) techniques, the device uses a standard fundamental mode, inexpensive crystal to produce output clocks up to 200 mhz. the complex logic divider is the ability to generate nine different popular multiplication factors, allowing one chip to output many common frequencies. the device also has an output enable pin that tri- states the clock output when the oe pin is taken low. this product is intended for clock generation and frequency translation with low output jitter (variation in the output period) block diagram part number package PT7C4511w 8 - pin soic ordering information pll clock synthesis and control circuit crystal oscillator s0 s1 x2 clk v cc gnd x1/iclk output buffer output buffer oe
data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 2 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| pin assignment pin description pin name type description 1 x1/iclk xi crystal connection or clock input. 2 vcc p supply voltage: +3.0v to +5.5v. 3 gnd p connect to ground. 4 s1 ti multiplier select pin 1. connect to gnd or vcc or float (no connection). 5 clk o clock output per table below. 6 s0 ti multiplier select pin 0. connect to gnd or vcc or float (no connection). 7 oe i output enable. tri-states clk output when low. internal pull-up. 8 x2 xo crystal connection. leave unconnected for clock input. clock output table 1 2 3 x1/iclk gnd s1 4 5 6 7 8 vcc s0 clk oe x2 soic-8 package s1 s0 clk 0 0 4 1) 0 m 2 ) (16/3) 0 1 5 m 0 2.5 m m 2 m 1 (10/3) 1 0 6 1 m 3 1 1 8 1) note: clk output frequency = iclk 4. 2) note: m = leave unconnected (self - biases to vcc/2).
data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 3 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| maximum ratings (above which the useful life may be impaired. for user guidelines, not tested) storage temperature ................................................................. -65 to 150 o c ambient operating temperature .................................................. 0 to 70 o c supply voltage to ground potential (v cc ) ............................. -0.3 to +7.0v inputs (referenced to gnd) ............................................ -0.5 to vcc+0.5v clock output (referenced to gnd) ................................ -0.5 to vcc+0.5v soldering temperature (max of 10 seconds) ................................... 260 o c note: stresses greater than those listed under maxi- mum ratings may cause permanent damage to the device. this is a stress rating only and func- tional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. expo- sure to absolute maximum rating conditions for ex- tended periods may affect reliability. recommended operation conditions sym. description test condition min typ max unit v cc supply voltage 3 5.5 v v ih h-level input voltage 2 v v il l-level input voltage 0.8 v t a operating temperature 0 70 c sym. parameter test condition pin min. typ. max. unit vcc supply voltage vcc 3 5.5 v icc supply current no load, 20mhz crystal vcc 12 20 ma iclk (vcc/2)+1 vcc/2 v oe 2 v iclk vcc/2 (vcc/2)-1 v oe 0.8 v v ih input logic high s0, s1 vcc-0.5 v v im input mid-level s0, s1 vcc/2 v v il input logic low s0, s1 0.5 v v oh high-level output voltage i oh = -12ma clk 2.4 v v ol low-level output voltage i ol = 12ma clk 0.4 v v ih input logic high v il input logic low dc electrical characteristics ( v cc = 3.3v 0.3v, t a = 0~70 o c, unless noted)
data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 4 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ( v cc = 3.3v 0.3v, t a = 0~70 o c, unless noted) ac electrical characteristics sym. parameter test condition pin min. typ. max. unit f in input frequency crystal iclk 5 30 mhz f out output frequency v cc : 4.5 to 5.5v clk 20 200 mhz v cc : 3.0 to 3.6v clk 20 180 mhz t r output clock rise time 0.8 to 2.0v clk 1 ns t f output clock fall time 2.0 to 0.8v clk 1 ns duty output clock duty cycle at v cc /2, v cc : 3v, clk 45 50 55 % up to 120mhz at v cc /2, v cc : 5v, up to 150mhz pll bandwidth 10 khz output enable time oe high to output on 50 ns output disable time oe low to tri-state 50 ns period jitter 70mhz~200mhz clk 50 100 ps jitter over 200ns interval 100mh~200mhz clk 200 ps output jitter refer to iclk 40~150mhz clk 100~250 ps
data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 5 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| package outline and package dimensions (for current dimensional specifications, see jedec pub. no. 95.) 8 pin soic inches millimeters symbol min max min max a 0.0532 0.0688 1.35 1.75 a1 0.0040 0.0098 0.10 0.24 b 0.0130 0.0200 0.33 0.51 c 0.0075 0.0098 0.19 0.24 d 0.1890 0.1968 4.80 5.00 e 0.1497 0.1574 3.80 4.00 e 0.50bsc 1.27bsc h 0.2284 0.2440 5.80 6.20 h 0.0099 0.0195 0.25 0.50 l 0.0160 0.0500 0.41 1.27
data sheet PT7C4511 pll clock multiplier pt0138(12/03) ver:0 6 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| notes pericom technology inc. email: support@pti.com.cn web site: www.pti.com.cn, www.pti-ic.com china : no. 20 building, 3/f, 481 guiping road, shanghai, 200233, china tel: (86)-21-6485 0576 fax: (86)-21-6485 2181 asia pacific : unit 1517, 15/f, chevalier commercial centre, 8 wang hoi rd, kowloon bay, hongkong tel: (852)-2243 3660 fax: (852)- 2243 3667 u.s.a. : 2380 bering drive, san jose, california 95131, usa tel: (1)-408-435 0800 fax: (1)-408-435 1100 pericom technology incorporation reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. pericom technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in pericom technology product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom technology incorporation.
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