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GS4911B Datasheet, PDF (31/113 Pages) Gennum Corporation – HD/SD/Graphics Clock and Timing Generator with GENLOCK | |||
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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
â
IO_VDD = 1.8V
â
current drive = LOW
5
â
â
IO_VDD = 3.3V
â
7
â
current drive = LOW
â
IO_VDD = 1.8V
â
7
â
current drive = HIGH
â
IO_VDD = 3.3V
â
14
â
current drive = HIGH
Output Voltage LVDS, Common
VOCM
â
Mode
1.125
1.25
1.375
Output Voltage LVDS, Differential
VODIFF
â
â
350
â
LVDS High-impedance Leakage
â
Current
To 1.8V or GND
â
â
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
â
mA
â
mA
â
mA
â
V
3
mV
3
uA
â
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
â
Digital I/O
from when the
â
2
4
frames
â
reference input is
first present
PCLK Output Frequency
â
PCLK Jitter
â
â
PCLK Duty Cycle
â
â
3.375
â
165
MHz
â
SD video standards
â
350
â
XTAL_VDD = 3.3V
ps
1, 2
HD & Graphics
video standards
â
250
â
XTAL_VDD = 3.3V
ps
1, 3
â
40
â
60
%
â
36655 - 2 April 2006
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