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PI6C557-03LE Datasheet(PDF) 7 Page - Pericom Semiconductor Corporation |
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PI6C557-03LE Datasheet(HTML) 7 Page - Pericom Semiconductor Corporation |
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7 / 8 page  7 PS8824C 12/14/07 PI6C557-03 PCI Express Clock AC Characteristics (VDD = 3.3V ±10%, TA = -40°C to +85 oC) Symbol Parameter Conditions Min. Typ. Max. Unit FIN Input Frequency 25 MHz VOUT Output Frequency 25 200 MHz VOH Output High Voltage (1,2) @VDD = 3.3V 660 700 850 mV VOL Output Low Voltage(1,2) -150 0 mV VCPA Crossing Point Voltage(1,2) Absolute 250 350 550 mV VCN Crossing Point Voltage(1,2,4) Variation over all edges 140 mV JCC Jitter, Cycle-to-Cycle(1,3) 60 100 ps MF Modulation Frequency Spread Spectrum 30 31.5 33 kHz tOR Rise Time(1,2) From 0.175V to 0.525V 175 332 700 ps tOF Fall Time(1,2) From 0.525V to 0.175V 175 344 700 ps ∆TR/∆T Rise/Fall Time Variation(1,2) 125 ps TSKEW Skew between outputs VDD/2 50 ps TDUTY- CYCLE Duty Cycle(1,3) 45 55 % TOE Output Enable Time(5) All outputs 0.1 μs TOT Output Disable Time(5) All outputs 0.1 μs tSTABLE From power-up to VDD=3.3V 1.6 3.0 ms tSPREAD Setting period after spread change 3.0 ms Notes: 1. RL = 50Ω with CL = 2 pF and RR = 475Ω 2. Single-ended waveform 3. Differential waveform 4. Measured at the crossing point 5. CLK pins are tri-stated when OE is LOW Thermal Characteristics Symbol Parameter Conditions Min. Typ. Max. Unit θJA Thermal Resistance Junction to Ambient Still air 90 °C/W θJC Thermal Resistance Junction to Case 24 °C/W Recomended Crystal Specification Pericom recommends SRX7278 for optimium performance. Parameter Value Units Mode of Oscillation Fundamental AT Frequency 25 MHz Frequency Tolerance ±20 PPM Temperature and Aging Stability ±30 Load Cap 20 pF Equivelent Series Resistance 35 Ω Drive Level 100 mW 07-0274 |
Similar Part No. - PI6C557-03LE |
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Similar Description - PI6C557-03LE |
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