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ML12210 Datasheet(PDF) 2 Page - LANSDALE Semiconductor Inc. |
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ML12210 Datasheet(HTML) 2 Page - LANSDALE Semiconductor Inc. |
2 / 11 page www.lansdale.com Page 2 of 11 Issue A LANSDALE Semiconductor, Inc. ML12210 16 1 φR OSCin 15 2 φP OSCout 14 3 fOUT VP 13 4 BISW VCC Pinout: 16–Lead Package (Top View) 12 5 FC Do 11 6 LE GND 10 7 DATA LD 9 8 CLK fIN PIN NAMES Pin I/O Function 16–Lead Pkg Pin No. 20–Lead Pkg Pin No. OSCin I Oscillator input. A crystal may be connected between OSCin and OSCout. It is highly recommended that an external source be ac coupled into this pin (see text). 1 OSCout O Oscillator output. Pin should be left open if external source is used 2 VP – Power supply for charge pumps (VP should be greater than or equal to VCC) VP provides power to the Do, BISW and φP outputs 3 VCC – Power supply voltage input. Bypass capacitors should be placed as close as possible to this pin and be connected directly to the ground plane. 4 Do O Internal charge pump output. Do remains on at all times 5 GND – Ground 6 LD O Lock detect, phase comparator output 7 fIN I Prescaler input. The VCO signal is AC–coupled into this pin 8 CLK I Clock input. Rising edge of the clock shifts data into the shift registers 9 DATA I Binary serial data input 10 LE I Load enable input (with internal pull up resistor). When LE is HIGH or OPEN, data stored in the shift register is transferred into the appropriate latch (depending on the level of control bit). Also, when LE is HIGH or OPEN, the output of the second internal charge pump is connected to the BISW pin 11 FC I Phase control select (with internal pull up resistor). When FC is LOW, the characteristics of the phase comparator and charge pump are reversed. FC also selects fp or fr on the fOUT pin 12 BISW O Analog switch output. When LE is HIGH or OPEN ("analog switch is ON") the output of the second charge pump is connected to the BISW pin. When LE is LOW, BISW is high impedance 13 fOUT O Phase comparator input signal. When FC is HIGH, fOUT=fr, programmable reference divider output; when FC is LOW, fOUT=fp, programmable divider output 14 φP O Output for external charge pump. Standard CMOS output level 15 φR O Output for external charge pump. Standard CMOS output level 16 NC – No connect – |
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