Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Features electronic systems, clock multiplier and frequency translation. • Low cost frequency multiplier • Zero ppm multiplication error Using Phase-Locked-Loop (PLL) techniques, the • Input crystal frequency of 5 - 30 MHz device uses a standard fundamental mode, • Input clock frequency of 4 - 50 MHz inexpensive crystal to produce output clocks up to • Output clock frequencies up to 180 MHz 180 MHz. • Cycle to cycle jitter less than 150ps (70~180MHz) • Duty cycle of 45/55 up to 180 MHz The complex Logic divider is the ability to generate • 9 selectable frequencies controlled by S0, S1 pins nine different popular multiplication factors, allowing • Operating voltages of 3.0 to 5.5V one chip to output many common frequencies. • Tri-state output for board level testing The device also has an Output Enable pin that tristates the clock output when the OE pin is taken low. General This product is intended for clock generation and The PT7C4501/4501A is a high performance frequency frequency translation with low output jitter (variation multiplier, which integrates Analog Phase Lock Loop in the output period) techniques. Ordering Information The PT7C4501/4501A is the most cost effective way to generate a high quality, high frequency clock output Part Number Package PT7C4501W 8 - Pin SOIC PT7C4501AW 8 - Pin SOIC from a lower frequency crystal or clock input. It is designed to replace crystal oscillators in most Block Diagram OE S0 S1 PLL Clock Synthesis and Control Circuit Output Buffer CLK X1/ICLK X2 Crystal Oscillator V CC PT0139(12/03) GND 1 Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pin Assignment PT7C4501/4501A 1 X1/ICLK X2 8 2 VDD OE 7 3 GND S0 6 4 S1 CLK 5 SOIC-8 package Pin Description Pin Name Type Description 1 X1/ICLK XI Crystal connection or clock input. 2 Vcc P Connect to +3.3V or +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 8 X2 XO Output Enable. Tri-states CLK output when low. Internal pull-up. Crystal connection. Leave unconnected for clock input. Note: XI/XO = crystal connections, TI = tri-level input, O = output, P = power supply connection Clock Output Table S1 0 0 0 M M M 1 1 1 1) 2) S0 0 M 2) 1 0 M 1 0 M 1 CLK ×4 1) ×(16/3) ×5 ×2.5 ×2 ×(10/3) ×6 ×3 ×8 Note: CLK output frequency = ICLK × 4. Note: M = leave unconnected (self-biases to Vcc/2). PT0139(12/03) 2 Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Common Output Frequencies Example (MHz) Telecom Application Output Input Selection(S1,S0) 16.384 8.192 M,M 32.768 16.384 M,M 30 10 1,M 38.88 19.44 M,M 51.2 25.6 M,M 37.5 15 M,0 32.768 8.192 0,0 52 13 0,0 60 10 1,0 Output Input Selection(S1,S0) 77.76 19.44 0,0 72 12 1,0 75 25 1,M 51.84 6.48 1,1 90 15 1,0 100 20 0,1 155.52 19.44 1,1 125 25 0,1 180 30 1,0 Output Input Selection(S1,S0) 20 10 M,M 24 12 M,M 30 10 1,M 32 16 M,M 33.33 16.66 M,M 37.5 15 M,0 40 10 0,0 48 12 0,0 60 10 1,0 Output Input Selection(S1,S0) 64 16 0,0 72 12 1,0 75 25 1,M 80 10 1,1 90 15 1,0 100 20 0,1 120 15 1,1 125 25 0,1 150 25 1,0 Note: All of the above outputs are achieved by using a common, inexpensive 10MHz to 30MHz crystal. Consult PTI on how to achieve other output frequencies. PT0139(12/03) 3 Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested) Note: O Storage temperature ................................................................. -65 to 150 C Stresses greater than those listed under MAXIMUM Ambient Operating Temperature ..................................................0 to 70OC RATINGS may cause permanent damage to the Supply Voltage to Ground Potential (VCC) ............................. -0.3 to +7.0V device. This is a stress rating only and functional Inputs (Referenced to GND) ............................................ -0.5 to Vcc+0.5V operation of the device at these or any other condiClock Output (Referenced to GND) ................................ -0.5 to Vcc+0.5V tions above those indicated in the operational secSoldering Temperature (Max of 10 seconds) ................................... 260OC tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended Operation Conditions Sym. VCC VIH VIL TA Description Supply Voltage H-Level Input Voltage L-Level Input Voltage Operating Temperature Test condition Min 3 2 Typ Max 5.5 Unit V V V °C 0.8 70 0 DC Electrical Characteristics (Vcc = 3.3V unless otherwise noted) Sym. Parameter Test Condition Pin Min. Vcc 3 Vcc Supply Voltage Icc Supply Current VIH Input Logic High VIL Input Logic Low VIH Input Logic High S0, S1 VIM Input mid-level S0, S1 VIL Input Logic Low S0, S1 VOH High-level output voltage IOH = -12mA CLK VOL Low-level output voltage IOL = 12mA CLK no load, 20MHz crystal Vcc 12 ICLK (Vcc/2)+1 OE 2 ICLK PT0139(12/03) Typ. Unit 5.5 V 20 mA Vcc/2 V V Vcc/2 OE 4 Max. (Vcc/2)-1 V 0.8 V Vcc-0.5 V Vcc/2 V 0.5 2.4 V V 0.4 V Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| AC Electrical Characteristics (Vcc = 3.3V unless otherwise noted) Sym. Parameter fIN Input Frequency f OUT Output frequency Part No. Test Condition crystal Pin Min. ICLK Typ. Max. Unit 5 30 MHz V CC: 3.0 to 5.5V 4501 CLK 20 180 V CC: 3.0 to 5.5V 4501A CLK 20 150 MHz tr Output clock rise time 0.8 to 2.0V CLK 1 ns tf Output clock fall time 2.0 to 0.8V CLK 1 ns At V CC /2 CLK Duty Output clock duty cycle V CC: 3V, up to 120MHz 45 50 55 % V CC: 5V, up to 150MHz PLL bandwidth* 10 kHz Output enable time OE high to output on 15 50 ns Output disable time OE low to tri-state 15 50 ns Period Jitter 70MHz~200MHz, 25C CLK 50 100 ps Jitter over 200ns interval 100MH~200MHz, 25C CLK 200 ps * Note: only reference for design. PT0139(12/03) 5 Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Package Outline and Package Dimensions (For current dimensional specifications, see JEDEC pub. no. 95.) 8 Pin SOIC Inches Symbol A A1 B C D E E H H L PT0139(12/03) Min 0.0532 0.0040 0.0130 0.0075 0.1890 0.1497 Millimeters Max 0.0688 0.0098 0.0200 0.0098 0.1968 0.1574 Min 1.35 0.10 0.33 0.19 4.80 3.80 0.2440 0.0195 0.0500 5.80 0.25 0.41 0.50BSC 0.2284 0.0099 0.0160 Max 1.75 0.24 0.51 0.24 5.00 4.00 1.27BSC 6 6.20 0.50 1.27 Ver:0 Data Sheet PT7C4501/4501A Frequency Multiplier ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Notes Pericom Technology Inc. Email: [email protected] 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. PT0139(12/03) 7 Ver:0