GS4901B/GS4900B Preliminary 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
Units
Notes
Clock Output Drive Current
–
IO_VDD = 1.8V
–
5
–
mA
–
current drive = LOW
–
IO_VDD = 3.3V
current drive = LOW
–
–
7
7
–
–
mA
mA
mA
V
–
–
–
3
–
IO_VDD = 1.8V
current drive = HIGH
–
IO_VDD = 3.3V
current drive = HIGH
–
10
1.25
–
Output Voltage LVDS, Common
Mode
VOCM
–
1.125
1.375
Output Voltage LVDS, Differential
VODIFF
–
–
–
–
350
–
–
mV
uA
3
–
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.
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
–
from when the
reference input is first
present
–
2
4
frames
–
Digital I/O
PCLK Output Frequency
PCLK Jitter
–
–
–
–
–
3.375
–
300
–
54
–
MHz
ps
–
1, 2
–
XTAL_VDD = 3.3V
–
–
40
–
PCLK Duty Cycle
60
1.7
%
PCLK1 & PCLK2 Rise/Fall Times
15pF load
IO_VDD = 1.8V
current drive = LOW
–
ns
–
20% - 80%
–
–
–
IO_VDD = 3.3V
current drive = LOW
–
–
–
–
–
–
1.5
1.1
0.9
ns
ns
ns
–
–
–
IO_VDD = 1.8V
current drive = HIGH
IO_VDD = 3.3V
current drive = HIGH
37703 - 0 April 2006
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