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ICS1523MLF 데이터시트(PDF) 19 Page - Integrated Circuit Systems |
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ICS1523MLF 데이터시트(HTML) 19 Page - Integrated Circuit Systems |
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19 / 21 page ![]() Video Clock Synthesizer with I2C Programmable Delay MDS 1523 Y 19 Revision 110905 Integrated Circuit Systems 525 Race Street, San Jose, CA 95126 tel (408) 297-1201 www.icst.com ICS1523 Note 1- VOL must not fall below the level given so that the correct value for IOUT can be maintained. Note 2- Measured at 135MHz, 3.6 VDC, 0oC, 20 pF, with 75 Ω Termination Note 3- Measured at 135MHz, 3.6 VDC, 0oC, 20 pF, Unterminated Analog Input (HSYNC) Input High Voltage VIH 1.7 5.5 V Input Low Voltage VIL VSS - 0.3 1.1 V Digital Inputs (SDA, SCL, EXTFB, OSC, I2CADDR) Input High Voltage VIH 25.5 V Input Low Voltage VIL VSS - 0.3 0.8 V Input Hysteresis - 0.2 0.6 V POR Threshold - VSS 1.8 V Voltage that resets register values SDA Digital Output SDA Output Low Voltage VOL 0.4 V IOUT = 3ma SDA Output High Voltage VOH 6.0 V Determined by external Rset resistor PECL Outputs (CLK+, CLK-, CLK/2+, CLK/2-) Output High Voltage VOH -VDD V IOUT=0 Maximum Output Frequency FP MAX - 250 MHz VDDD = 3.3 V Output Low Voltage * VOL 1.0 - V IOUT = Programmed Value 1 Duty Cycle PDC 45 55 % 2 Transition Time - Rise TPR -1.0 ns 2 Transition Time - Fall TPF -1.2 ns 2 SSTL_3 Outputs (CLK, CLK/2, FUNC, LOCK/REF) Output Resistance RO -80 Ω 1 V < VO < 2 V Maximum Output Frequency Fs MAX - 150 MHz VDDD = 3.3 V Duty Cycle SDC 45 55 % 3 Clock and FUNC Transition Time - Rise TCR -1.6 ns 3 Clock and FUNC Transition Time - Fall TCF -1.0 ns 3 LOCK/REF Transition Time - Rise TLR -3.0 ns 3 LOCK/REF Transition Time - Fall TLF -2.0 ns 3 Parameter Symbol Min. Max. Units Notes |
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