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GS4911B Datasheet, PDF (31/113 Pages) Gennum Corporation – HD/SD/Graphics Clock and Timing Generator with GENLOCK
GS4911B/GS4910B Data Sheet
Table 2-1: DC Electrical Characteristics (Continued)
VDD = 1.8V, TA = 0°C to 70°C, unless otherwise specified.
Parameter
Symbol
Condition
Min
Typ Max
Clock Output Drive Current
–
IO_VDD = 1.8V
–
current drive = LOW
5
–
–
IO_VDD = 3.3V
–
7
–
current drive = LOW
–
IO_VDD = 1.8V
–
7
–
current drive = HIGH
–
IO_VDD = 3.3V
–
14
–
current drive = HIGH
Output Voltage LVDS, Common
VOCM
–
Mode
1.125
1.25
1.375
Output Voltage LVDS, Differential
VODIFF
–
–
350
–
LVDS High-impedance Leakage
–
Current
To 1.8V or GND
–
–
1.4
NOTES
1. All DC and AC electrical parameters within specification.
2. Assuming that the current being sourced or sinked is less than the Timing Output Drive Current specified.
3. Into a 100Ω termination connected between PCLK3 and PCLK3.
Units
mA
Notes
–
mA
–
mA
–
mA
–
V
3
mV
3
uA
–
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
VDD = 1.8V, TA = 0°C to 70°C, unless otherwise specified.
Parameter
Symbol
Condition
Min
Typ
Max Units Notes
System
Reference Detection Time
–
Digital I/O
from when the
–
2
4
frames
–
reference input is
first present
PCLK Output Frequency
–
PCLK Jitter
–
–
PCLK Duty Cycle
–
–
3.375
–
165
MHz
–
SD video standards
–
350
–
XTAL_VDD = 3.3V
ps
1, 2
HD & Graphics
video standards
–
250
–
XTAL_VDD = 3.3V
ps
1, 3
–
40
–
60
%
–
36655 - 2 April 2006
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