GS2965 Datasheet, PDF (10/41 Pages) Gennum Corporation – Uses standard 27MHz crystal

Table 2-1: DC Electrical Characteristics (Continued)
Parameter
VOL (2.5V operation)
VOL (3.3V operation)
VOH (2.5V operation)
VOH (3.3V operation)
Symbol
Conditions
−
VDD = min, IOL = 100μA
VDD = min, IOL = 100μA
−
VDD = min, IOH = -100μA
VDD = min, IOH = -100μA
Hysteresis Voltage (SPI inputs)
NOTE: guaranteed by simulation.
−
2.5V operation
3.3V operation
Min Typ Max Units
−
−
0.4
V
−
−
0.4
V
2.1
−
−
V
VDD
−
-0.4
−
V
−
350
−
mV
−
350
−
mV
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
Parameter
Serial Input Data Rate
(for reclocking)
Serial Input Data Rate
(bypass)
SPI Operating Speed
Input Voltage Swing
Symbol
DR_SDO
−
ΔVSDI
Output Voltage Swing
ΔVOD
Input Trace Equalization
−
Conditions
−
−
−
Set ATTEN_EN = 1 for
ΔVSDI>1V_pp
default
see DRIVER_1 register
(0x01) addresses 8 & 9 in
4.15.14 Host Register
Map.
LOW
MED
HIGH
Min Typ Max Units Notes
0.27
−
2.97
Gb/s
−
DC
−
2.97
Gb/s
−
−
−
10
MHz
−
100
2000 mV_p-pd
−
300
400
500
mV_p-pd
−
600
800
1000 mV_p-pd
−
Recommended setting for 0 to 10
−
inches of FR4
Recommended setting for 10 to 20
−
inches of FR4
Recommended setting for >20 inches
−
of FR4
GS2965 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
52462 - 4
July 2012
10 of 41
Proprietary & Confidential