Datasheet PI6CG33402 (Diodes) - 8
| Fabricante | Diodes |
| Descripción | 3.3V Very-Low Power 4-Output PCIe Clock Generator With On-chip Termination |
| Páginas / Página | 23 / 8 — PI6CG33402. LVCMOS AC Characteristics. Symbol Parameters. Conditions. … |
| Formato / tamaño de archivo | PDF / 1.7 Mb |
| Idioma del documento | Inglés |
PI6CG33402. LVCMOS AC Characteristics. Symbol Parameters. Conditions. Min. Typ. Max. Units. Note:
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A product Line of Diodes Incorporated
PI6CG33402 LVCMOS AC Characteristics
Temperature = TA; Supply voltages per normal operation conditions; See test circuits for the load conditions.
Symbol Parameters Conditions Min. Typ. Max. Units
fINPUT Input Frequency XTAL_IN/CLK — 25 — MHz tRIN Input Rise Time Single-ended inputs — — 5 ns tFIN Input fall time Single-ended inputs — — 5 ns tSTAB Clock Stabilization From power up and after input clock stabi- lization or deassertion of PD# to first clock — 0.75 1.8 ms Q start after OE# assertion tOELAT Output Enable Latency 1 — 3 clocks Q stop after OE# deassertion tPDLAT PD# Deassertion Differential outputs enable after PD# deassertion — 20 300 µs tPERIOD REFOUT Clock Period REFOUT, assume input is at 25MHz — 40 — ns fACC REFOUT Frequency Accuracy1 REFOUT, long term accuracy to input — 0 — ppm Byte 3 = 1F, 20% to 80% of VDDREF 0.9 1.4 2 V/ns Byte 3 = 5F, 20% to 80% of V t DDREF 1.5 2.4 3.2 V/ns SLEW REFOUT Slew Rate 1 Byte 3 = 9F, 20% to 80% of VDDREF 2.0 3.0 3.8 V/ns Byte 3 = DF, 20% to 80% of VDDREF 2.3 3.2 4 V/ns tDC REFOUT Duty Cycle 1 VT = VDD/2V, driven by a Xtal 45 50 55 % t REFOUT Duty Cycle DCDIS Distortion VT = VDD/2V, driven by an external source -2 0 +2 % tJITCC REFOUT Cycle-Cycle Jitter VT = VDD/2V, driven by a Xtal — 70 250 ps tJITPH REFOUT Phase Jitter 12kHz to 5MHz, RMS, driven by a Xtal — 0.16 0.3 ps 1kHz offset, driven by a Xtal — -149 -135 dBc/Hz tJITN Noise Floor 10kHz offset to Nyquist, driven by a Xtal — -158 -140 dBc/Hz
Note:
1. Guaranteed by design and characterization—not 100% tested in production. PI6CG33402 www.diodes.com May 2019 Document Number DS41073 Rev 3-2 8 Diodes Incorporated
PI6CG33402 LVCMOS AC Characteristics
Temperature = TA; Supply voltages per normal operation conditions; See test circuits for the load conditions.
Symbol Parameters Conditions Min. Typ. Max. Units
fINPUT Input Frequency XTAL_IN/CLK — 25 — MHz tRIN Input Rise Time Single-ended inputs — — 5 ns tFIN Input fall time Single-ended inputs — — 5 ns tSTAB Clock Stabilization From power up and after input clock stabi- lization or deassertion of PD# to first clock — 0.75 1.8 ms Q start after OE# assertion tOELAT Output Enable Latency 1 — 3 clocks Q stop after OE# deassertion tPDLAT PD# Deassertion Differential outputs enable after PD# deassertion — 20 300 µs tPERIOD REFOUT Clock Period REFOUT, assume input is at 25MHz — 40 — ns fACC REFOUT Frequency Accuracy1 REFOUT, long term accuracy to input — 0 — ppm Byte 3 = 1F, 20% to 80% of VDDREF 0.9 1.4 2 V/ns Byte 3 = 5F, 20% to 80% of V t DDREF 1.5 2.4 3.2 V/ns SLEW REFOUT Slew Rate 1 Byte 3 = 9F, 20% to 80% of VDDREF 2.0 3.0 3.8 V/ns Byte 3 = DF, 20% to 80% of VDDREF 2.3 3.2 4 V/ns tDC REFOUT Duty Cycle 1 VT = VDD/2V, driven by a Xtal 45 50 55 % t REFOUT Duty Cycle DCDIS Distortion VT = VDD/2V, driven by an external source -2 0 +2 % tJITCC REFOUT Cycle-Cycle Jitter VT = VDD/2V, driven by a Xtal — 70 250 ps tJITPH REFOUT Phase Jitter 12kHz to 5MHz, RMS, driven by a Xtal — 0.16 0.3 ps 1kHz offset, driven by a Xtal — -149 -135 dBc/Hz tJITN Noise Floor 10kHz offset to Nyquist, driven by a Xtal — -158 -140 dBc/Hz
Note:
1. Guaranteed by design and characterization—not 100% tested in production. PI6CG33402 www.diodes.com May 2019 Document Number DS41073 Rev 3-2 8 Diodes Incorporated