GS4901B Datasheet, PDF (30/95 Pages) Gennum Corporation – SD Clock and Timing Generator with GENLOCK

GS4901B/GS4900B Preliminary Data Sheet
Table 2-1: DC Electrical Characteristics (Continued)
V_DD = 1.8V, T_A = 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
–
10
–
current drive = HIGH
Output Voltage LVDS, Common
V_OCM
–
Mode
1.125
1.25
1.375
Output Voltage LVDS, Differential
V_ODIFF
–
–
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
V_DD = 1.8V, T_A = 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
–
PCLK1 & PCLK2 Rise/Fall Times –
15pF load
20% - 80%
–
–
–
–
3.375
–
54
MHz
–
XTAL_VDD = 3.3V
–
300
–
ps
1, 2
–
40
–
60
%
–
IO_VDD = 1.8V
–
current drive = LOW
–
1.7
ns
–
IO_VDD = 3.3V
–
current drive = LOW
–
1.5
ns
–
IO_VDD = 1.8V
–
current drive = HIGH
–
1.1
ns
–
IO_VDD = 3.3V
–
current drive = HIGH
–
0.9
ns
–
37703 - 0 April 2006
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