MARCH 3, 2017 11 PROGRAMMABLE CLOCK GENERATOR
5P49V5907 DATASHEET
Table 10: Crystal Characteristics
Note: Typical crystal used is FOX 603-25-150. For different reference crystal options please go to www.foxonline.com.
Table 11: DC Electrical Characteristics
Output Features and Descriptions
OUT1/OUT1B, OUT2/OUT2B, and OUT4/OUT4B can form three output pairs. Each output pair has individually programmable
frequencies and can be configured as one differential pair (LVDS, LVPECL, regular HCSL) or two LVCMOS outputs. VDDO is
individually selectable from 1.8V to 3.3V for LVDS and LVCMOS, and 2.5V to 3.3V for LVPECL and regular current-mode HCSL
outputs. OUT3, 5-7 are four Low-Power HCSL(LP-HCSL) differential output pairs. They are the same frequency which can be
individually programmed. They utilize the 1.8V LP-HCSL technology which can reduce supply current and termination resistor
count. LP-HCSL outputs are from 1MHz to 200MHz and other differential outputs are from 1MHz to 350MHz.
Parameter Test Conditions Minimum Typical Maximum Units
Mode of Oscillation
Frequency 8 25 40 MHz
Equivalent Series Resistance (ESR) 10 100 Ω
Shunt Capacitance 7pF
Load Capacitance (CL) @ <=25 MHz 6 8 12 pF
Load Capacitance (CL) >25M to 40M 6 8 pF
Maximum Crystal Drive Level 100 µW
Fundamental
Symbol Parameter Test Conditions Min Typ Max Unit
Iddcore
3
Core Supply Current
100 MHz on all outputs, 25 MHz
REFCLK
43 mA
LVPECL, 350 MHz, 3.3V VDDOx 42 47 mA
LVPECL, 350 MHz, 2.5V VDDOx 37 42 mA
LVDS, 350 MHz, 3.3V VDDOx 18 21 mA
LVDS, 350 MHz, 2.5V VDDOx 17 20 mA
LVDS, 350 MHz, 1.8V VDDOx 16 19 mA
HCSL, 250 MHz, 3.3V VDDOx, 2 pF load 29 33 mA
HCSL, 250 MHz, 2.5V VDDOx, 2 pF load 28 33 mA
LVCMOS, 50 MHz, 3.3V, VDDOx
1,2
16 18 mA
LVCMOS, 50 MHz, 2.5V, VDDOx
1,2
14 16 mA
LVCMOS, 50 MHz, 1.8V, VDDOx
1,2
12 14 mA
LVCMOS, 200 MHz, 3.3V VDDOx
1
36 42 mA
LVCMOS, 200 MHz, 2.5V VDDOx
1,2
27 32 mA
LVCMOS, 200 MHz, 1.8V VDDOx
1,2
16 19 mA
Iddpd Power Down Current SD asserted, I2C Programming 10 14 mA
1. Single CMOS driver active.
2. Measured into a 5” 50 Ohm trace with 2 pF load.
3. Iddcore = IddA+ IddD, no loads.
Iddox Output Buffer Supply Current