Integrated Circuit Systems, Inc. AV9107C-19 AV9107C-20 Frequency Generator for Fibre Channel Systems General Description Features The AV9107C-19 and AV9107C-20 are high-speed clock generators designed to support fibre channel system requirements. The AV9107C-19 generates a single copy of the 106.25 MHz from a 17 MHz crystal. The AV9107C-20 provides a second copy of the 106.25 MHz clock with output skew less than ±100ps. An exact frequency multiplying ratio ensures better than ±100 ppm frequency accuracy using a standard AT crystal with external load capacitors (typically 33pF±5% for an 18pF load crystal). Achieving ±100 ppm over four years requires the crystal to have a ±20 ppm initial accuracy, ±30 ppm tempera-ture and ±5 ppm/year aging coefficients. Generates one or two 106.25 MHz clocks from a 17 MHz crystal Less than 60ps one sigma jitter Less than ±200ps absolute jitter Output skew less than ±100ps on two channel version (-20) Rise/fall times less than 4ns driving 15pF On-chip loop filter components 3.0V-5.5V supply range 8-pin, 150-mil SOIC package Applications Specifically designed to support the high-speed clocking requirements of fibre channel systems Block Diagram AV 9107-19 20 RevC091897P ICS reserves the right to make changes in the device data identified in this publication without further notice. ICS advises its customers to obtain the latest version of all device data to verify that any information being relied upon by the customer is current and accurate. AV9107C-19 AV9107C-20 Pin Configurations 8-Pin SOIC 8-Pin SOIC Functionality OE X1, X2 (MHz) FOUT (MHz) 1 17.00 106.25 0 X Tristate Pin Descriptions PIN NUMBER PIN NAME 1 2 AVSS VSS 3 4 X1 X2 5 OE 6 7 8 TYPE PWR PRW DESCRIPTION Analog ground. Digital Ground. IN IN Crystal or clock input to device; nominally 17.0 MHz. Requires external load capacitors. Crystal drive output from device. Requires external load capacitors. IN Output enable causes all outputs to tristate when at a logic low level; has a pull-up. VDD CLK2 AVDD VDD+AVDD PWR OUT PWR PWR +3.3 or +5.0 volt supply (-19). 106.25 MHz clock output (-20). Analog power. (Must equal digital power voltage) (-19). Digital and analog power, +3.3 or +5.0 volt supply (-20). CLK1 OUT 106.25 MHz clock output. 2 AV9107C-19 AV9107C-20 Absolute Maximum Ratings AVDD, VDD referenced to GND . . . . . . . . . . . . . . . 7V Operating temperature under bias. . . . . . . . . . . . . . . . 0°C to +70°C Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C Voltage on I/O pins referenced to GND. . . . . . . . . . . GND -0.5V to VDD +0.5V Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 Watts Stresses above those listed under Absolute 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 5.0V Operating VDD = +4.5V to +5.5V; TA =0°C to 70°C unless otherwise stated DC Characteristics PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Input Low Voltage VIL - - 0.8 V Input High Voltage VIH 2.0 - - V Input Low Current IIL VIN=0V (Pull-up input) -16.0 -6.0 - µA Input High Current IIH VIN=VDD -2.0 - 2.0 µA Output Low Voltage1 VOL IOL=10mA - 0.15 0.40 V 1 VOH IOH=-30mA 2.4 3.25 - V IOL VOL=0.8V 22.0 35.0 - mA Output High Current 1 IOH VOH=2.0V - -50.0 -35.0 mA Supply Current IDD Unloaded - 22.0 45.0 mA Pull-up Resistor 1 Rpu - 380.0 700.0 k ohms Rise Time1 Tr1 15pF load, 0.8 to 2.0V - 0.8 1.4 ns Fall Time Tf1 15pF load, 2.0 to 0.8V - 0.7 1.2 ns Rise Time1 Tr2 15pF load, 20% to 80% - 1.5 2.0 ns Fall Time1 Tf2 15pF load, 80% to 20% - 1.0 1.5 ns 42.0 49.0 55.0 % - 30.0 60.0 ps Output High Voltage Output Low Current1 AC Characteristics 1 Duty Cycle 1 Dt 15pF load @ 1.4V Jitter, One Sigma1 Tj1s 15pF load Jitter, Absolute1 Tjab 15pF load -200.0 200.0 ps Output Skew,1 Clock 1 to 2 tsk1 15pF load @ 1.4V (-20 only) -100.0 -20.0 100.0 ps Input Frequency1 Fi 11.0 17.0 19.0 MHz Fo 2.0 106.25 120.0 MHz Tpu - 7.58 18.0 ms Output Frequency 1 Power-up Time1 Transition Time 1 Crystal Input Capacitance Note 1: 1 Tft 8 to 66.6 MHz - 6.0 13.0 ms Cinx X1 (Pin 3) X2 (Pin 4) - 5.0 - pF Parameter is guaranteed by design and characterization. Not 100% tested in production. 3 AV9107C-19 AV9107C-20 Electrical Characteristics at 3.3V Operating VDD = +3.0V to +3.7V; TA =0°C to 70°C unless otherwise stated DC Characteristics PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Input Low Voltage VIL - - 0.20VDD V Input High Voltage VIH 0.7VDD - - V Input Low Current IIL VIN=0V (Pull-up input) -7.0 -2.5 - µA Input High Current IIH VIN=VDD -2.0 - 2.0 µA Output Low Voltage1 VOL IOL=6mA - 0.05VDD 0.1VDD V Output High Voltage1 VOH IOH=-5mA 0.85VDD 0.92VDD - V 1 IOL VOL=0.2VDD 15.0 22.0 - mA Output High Current 1 IOH VOH=0.7VDD - -17.0 -10.0 mA Supply Current IDD Unloaded - 14.0 30.0 mA Pull-up Resistor 1 Rpu - 550.0 900.0 k ohms Output Low Current AC Characteristics Rise Time 1 Fall Time1 1 Tr1 15pF load, 0.8 to 2.0V - 1.6 3.5 ns Tf1 15pF load, 2.0 to 0.8V - 0.9 1.5 ns Tr2 15pF load, 20% to 80% - 1.8 2.5 ns Fall Time1 Tf2 15pF load, 80% to 20% - 1.1 2.5 ns Duty Cycle1 Dt 15pF load @ 1.4V 30.0 40.0 50.0 % Rise Time Jitter, One Sigma 1 Tj1s 15pF load - 30.0 80.0 ps Tjab 15pF load -200.0 - 200.0 ps Output Skew, Clock 1 to 2 tsk1 15pF load @ 1.4V (-20 only) -100.0 -25.0 100.0 ps Input Frequency1 Fi 11.0 17.0 19.0 MHz Output Frequency1 Fo 2.0 106.25 120.0 MHz Jitter, Absolute1 1 Power-up Time 1 - 7.58 18.0 ms Transition Time1 Tft 8 to 66.6 MHz - 6.0 13.0 ms Crystal Input Capacitance1 Cinx X1 (Pin 3) X2 (Pin 4) - 5.0 - pF Note 1: Tpu Parameter is guaranteed by design and characterization. Not 100% tested in production. 4 AV9107C-19 AV9107C-20 8-Pin Plastic SOIC Package Ordering Information AV9107C-19CS08 or AV9107C-20CS08 Example: XXX XXXX-PPP M X#W Lead Count & Package Width Lead Count=1, 2 or 3 digits W=.3 SOIC or .6 DIP; None=Standard Width Package Type S=SOIC Pattern Number (2 or 3 digit number for parts with ROM code patterns) Device Type (consists of 3 or 4 digit numbers) Prefix ICS, AV=Standard Device 5 ICS reserves the right to make changes in the device data identified in this publication without further notice. ICS advises its customers to obtain the latest version of all device data to verify that any information being relied upon by the customer is current and accurate.