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ZL30108 Datasheet(PDF) 7 Page - Zarlink Semiconductor Inc |
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ZL30108 Datasheet(HTML) 7 Page - Zarlink Semiconductor Inc |
7 / 28 page ZL30108 Data Sheet 7 Zarlink Semiconductor Inc. 21 C19o Clock 19.44 MHz (Output). This CMOS output is used in SONET/SDH applications. This clock output pad includes a Schmitt input which serves as a PLL feedback path; proper transmission-line termination should be applied to maintain reflections below Schmitt trigger levels. 22 AGND Analog Ground. 0V 23 AVDD Positive Analog Supply Voltage. +3.3 VDC nominal 24 F8ko Frame Pulse (Output). This is an CMOS 8 kHz active high 31 ns framing pulse, which marks the beginning of a 125 µs frame. This clock output pad includes a Schmitt input which serves as a PLL feedback path; proper transmission-line termination should be applied to maintain reflections below Schmitt trigger levels. 25 AGND Analog Ground. 0V 26 REF_SEL Reference Select 0 (Input/Output). As an input REF_SEL selects the reference input that is used for synchronization; See Table 4. 0: REF0 1: REF1 This pin is internally pulled down to GND. 27 REF0 Reference (Input). This is one of two (REF0 and REF1) input reference sources used for synchronization. One of seven possible frequencies may be used: 2 kHz, 8 kHz, 1.544 MHz, 2.048 MHz, 8.192 MHz,16.384 MHz or 19.44 MHz. This pin is internally pulled down to GND. 28 REF1 Reference (Input). See REF0 pin description. 29 OOR_SEL Out Of Range Selection (Input). This input selects the frequency acceptance limits of the reference monitor: See Table 2. 0: 40 - 52 ppm 1: 64 - 83 ppm 30 IC Internal Connection. Connect this pin to GND. 31 VDD Positive Supply Voltage. +3.3 VDC nominal. 32 TIE_CLR TIE Circuit Reset (Input). A logic low at this input resets the Time Interval Error (TIE) correction circuit resulting in a realignment of input phase with output phase. 33 IC Internal Connection. Package E-pad, this pin is internally connected to device GND, it can be left unconnected or it can be connected to GND. Pin # Name Description |
Similar Part No. - ZL30108_06 |
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Similar Description - ZL30108_06 |
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