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| Integrated Circuit Systems, Inc. ICS9120-11 Frequency Generator for Multimedia Audio Synthesis General Description The ICS9120-11 is a high performance frequency generator. The ICS9120-11 provides high accuracy; low jitter PLLs meet the 0.20% frequency tolerance and -96dB signal-tonoise ratios. Fast output clock edge rates minimize board induced jitter. The ICS9120-11 operates over the entire 3.0 - 5.5V range and provides power-down to minimize energy consumption. Features * * * * * * * * Generates 46.6 MHz and 33.868 MHz clocks Buffered REFCLK output 0.20% frequency accuracy 100ps one sigma jitter maintains 16-bit performance Output rise/fall times less than 2.5ns On-chip loop filter components 3.0V - 5.5V supply range 8-pin, 150-mil SOIC package Advance Information Block Diagram Pin Configuration 8-Pin SOIC Functionality X1 (MHz) 14.318 PD# 0 1 33.9 (MHz) Low 33.868 46.6 (MHz) Low 46.6 14.3 (MHz) Low 14.318 Note: PD# (Pin 8) and OE (Pin 4) are internally pulled-up to VDD and therefore may be left disconnected or driven by open collector logic. 9120-11 Rev B 012197 ICS9120-11 Pin Descriptions for ICS9120-11 PIN NUMBER PIN NAME TYPE DESCRIPTION 1 2 3 4 5 6 7 8 X1 VDD GND OE CLK1 CLK2 REF PD# Input Power Power Input Input Output Output Input External clock source.* +Power supply input. Ground return for Pin 2. Output Enable (tristates all outputs when at logic low level); has pull-up. 46.6 MHz clock output. 33.9 MHz clock output. 14.318 MHz reference clock output. Power-down input (powers-down entire device when low); has pull-up. * Pin 1 contains no loading capacitor. 2 ICS9120-11 Absolute Maximum Ratings AVDD, VDD referenced to GND ......................................................................................................................................... 7V Operating temperature under bias ....................................................................................................................... 0C to +70C Storage temperature ......................................................................................................................................... -65C to +150C Voltage on I/O pins referenced to GND ........................................................................................GND -0.5V to VDD +0.5V Power dissipation .......................................................................................................................................................... 0.5 Watts Stresses above those listed underAbsolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability. Electrical Characteristics at 5V Operating VDD = +4.5V to +5.5V; TA =0C to 70C unless otherwise stated DC Characteristics PARAMETER Input Low Voltage Input High Voltage Input Low Current Input High Current Output Low Voltage Output High Voltage Output Low Current Output High Current Supply Current Supply Current, Power-down Pull-up Resistor Valve Rise Time 0.8 to 2.0V Fall Time 2.0 to 0.8V Rise Time 20% to 80% Fall Time 80% to 20% Duty Cycle Duty Cycle Jitter, One Sigma Jitter, Absolute Jitter, One Sigma Jitter, Absolute Input Frequency Output Frequency Power-up Time Crystal Input Capacitance SYMBOL VIL VIH IIL IIH VOL* VOH* IOL* IOH* IDD IDD (PD) Rpu* TEST CONDITIONS VIN=0V VIN=VDD IOL=+10mA IOH=-30mA VOL=0.8V VOH=2.4V Unloaded Unloaded MIN 2.0 -18.0 2.4 25.0 - TYP -8.3 0.15 3.7 45.0 -53.0 23.0 250.0 400.0 0.9 0.7 1.8 1.4 50.0 53.0 100.0 330.0 350.0 750.0 14.0 5.5 5 MAX 0.8 5.0 0.4 -35.0 50.0 500.0 800.0 2.0 1.5 3.25 2.5 55.0 60.0 150.0 550.0 500.0 1200 17.0 42.0 12.0 - UNITS V V A A V V mA mA mA A k ohm ns ns ns ns % % ps ps ps ps MHz MHz ms pF AC Characteristics Tr* Tf* Tr* Tf* Dt* Dt* Tjis* Tjab* Tjis* Tjab* Fi* Fo* Tpu* CINX* 15pF load 15pF load 15pF load 15pF load 15pF load @ 50% of VDD; Except REFCLK 15pF load @ 50% of VDD; REFCLK only For all frequencies except REFCLK For all frequencies except REFCLK REFCLK only REFCLK only 45.0 40.0 -550.0 -1200 11.0 11.0 - 0 to 33.8 MHz X1 (Pin 1) *Parameter is guaranteed by design and characterization. Not 100% tested in production. 3 ICS9120-11 Electrical Characteristics at 3.3V Operating VDD = +3.0V to +3.7V; T A =0C to 70C unless otherwise stated DC Characteristics PARAMETER Input Low Voltage Input High Voltage Input Low Current Input High Current Output Low Voltage Output High Voltage Output Low Current Output High Current Supply Current Supply Current, Power-down Pull-up Resistor Valve Rise Time 0.8 to 2.0V Fall Time 2.0 to 0.8V Rise Time 20% to 80% Fall Time 80% to 20% Duty Cycle Duty Cycle Jitter, One Sigma Jitter, Absolute Jitter, One Sigma Jitter, Absolute Input Frequency Output Frequency Power-up Time Crystal Input Capacitance SYMBOL VIL VIH IIL IIH VOL* VOH* IOL* IOH* IDD IDD (PD) Rpu* TEST CONDITIONS MIN 0.7VDD TYP -3.6 0.05VDD 0.94VDD 24.0 -13.0 14.0 60.0 620.0 1.5 1.0 2.2 1.5 50.0 45.0 140.0 420.0 230.0 600 14.3 5.5 5 MAX 0.2VDD 5.0 0.1 -8.0 32.0 110.0 900.0 4.0 3.0 4.0 3.0 55.0 60.0 200.0 600.0 400.0 1000 15.0 38.0 12.0 - UNITS V V A A V V mA mA mA A k ohm ns ns ns ns % % ps ps ps ps MHz MHz ms pF VIN=0V VIN=VDD IOL=6mA IOH=-4.0mA VOL=0.2VDD VOH=0.7VDD Unloaded Unloaded -8.0 0.85VDD 15.0 AC Characteristics Tr* Tf* Tr* Tf* Dt* Dt* Tjis* Tjab* Tjis* Tjab* Fi* Fo* Tpu* CINX* 15pF load 15pF load 15pF load 15pF load 15pF load @ 50% of VDD; REFCLK only 15pF load @ 50% of VDD; Except REFCLK For all frequencies except REFCLK For all frequencies except REFCLK REFCLK only REFCLK only 45.0 40.0 -600.0 -1000 11.0 11.0 0 to 33.8 MHz X1 (Pin 1) - *Parameter is guaranteed by design and characterization. Not 100% tested in production. 4 ICS9120-11 0.238 0.194 0.031 0.154 0.008 0.024 0.016 0.063 0.015 0.050 0.006 0.004 0.025 8-Pin SOIC Package Ordering Information ICS9120M-11 Example: XXX XXXX M-PPP Pattern Number (2 or 3-digit number for parts with ROM code patterns) Package Type N=DIP (Plastic) Device Type (consists of 3 or 4-digit numbers) Prefix ICS, AV=Standard Device 5 |
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