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ICS670M-01I Datasheet(PDF) 2 Page - Integrated Circuit Systems |
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ICS670M-01I Datasheet(HTML) 2 Page - Integrated Circuit Systems |
2 / 5 page ICS670-01 Low Phase Noise Zero Delay Buffer and Multiplier MDS 670-01 B 2 Revision 100900 Printed 11/15/00 Integrated Circuit Systems • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel•http://www.icst.com Pin Descriptions Pin Assignment ICS670-01 0=connect directly to ground 1=connect directl to VDD S3 S2 S1 S0 CLK2 (and FBCLK) Input Range (MHz) 0000 Low (Power down entire chip) - 0001 Input x1.333 18 - 120 0010 Input x6 5 - 26.67 0011 Input x1.5 16.67 - 107 0100 Input x3.333 7.5 - 48 0101 Input x2.50 10 - 64 0110 Input x4 6 - 40 0111 Input x1 25 - 160 1000 Input x2.333 11 - 69 1001 Input x2.666 10 - 60 1010 Input x12 5 - 13.33 1011 Input x3 8 - 53.33 1100 Input x10 5 - 16 1101 Input x5 6 - 32 1110 Input x8 5 - 20 1111 Input x2 12 - 80 Multiplier Select Table 1 8 9 16 2 3 4 5 6 7 10 11 12 13 14 15 S2 GND GND S0 S1 OE1 FBCLK VDD VDD VDD FBIN S3 GND ICLK CLK2 OE2 Key: I = Input with internal pull-up resistor; O = output; P = power supply connection; CI = clock input. Number Name Type Description 1 VDD P Connect to +3.3V or +5V. Must match other VDDs. 2 VDD P Connect to +3.3V or +5V. Must match other VDDs. 3 VDD P Connect to +3.3V or +5V. Must match other VDDs. 4 CLK2 O Clock output from VCO. Output frequency equals the input frequency times multiplier. 5 OE2 I Output clock enable 2. Tri-states the clock 2 output when low. 6 FBCLK O Clock ouput from VCO. Output frequency equals the input frequency times multiplier. 7 OE1 I Output clock enable 1. Tri-states the feedback clock output when low. 8 FBIN CI Feedback clock input. 9 ICLK CI Clock input. Connect to a 5 - 160 MHz clock. 10 S3 I Multiplier select pin 3. Determines outputs per table above. Internal pull-up. 11 S2 I Multiplier select pin 2. Determines outputs per table above. Internal pull-up. 12 S1 I Multiplier select pin 1. Determines outputs per table above. Internal pull-up. 13 S0 I Multiplier select pin 0. Determines outputs per table above. Internal pull-up. 14 GND P Connect to ground. 15 GND P Connect to ground. 16 GND P Connect to ground. |
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