GS2961 Datasheet, PDF (22/104 Pages) Gennum Corporation – 3Gb/s, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with SMPTE Video Processing

Table 2-4: AC Electrical Characteristics (Continued)
Guaranteed over recommended operating conditions unless otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
GSPI
GSPI Input Clock Frequency
GSPI Input Clock Duty Cycle
f_SCLK
50% levels
–
–
3.3V or 1.8V operation
DC_SCLK
40
50
GSPI Input Data Setup Time
–
1.5
–
GSPI Input Data Hold Time
–
1.5
–
GSPI Output Data Hold Time
–
–
1.5
–
CS low before SCLK rising edge
–
50% levels
1.5
–
3.3V or 1.8V operation
Time between end of command
–
50% levels
37.1
–
word (or data in Auto-Increment
3.3V or 1.8V operation
mode) and the first SCLK of the
following data word - write cycle
Time between end of command
–
50% levels
148.4
–
word (or data in Auto-Increment
3.3V or 1.8V operation
mode) and the first SCLK of the
following data word - read cycle
CS high after SCLK falling edge
–
50% levels
37.1
–
3.3V or 1.8V operation
Notes:
1. 1.89V and 0ºC.
2. 3.47V and 0ºC.
3. 1.71V and 85ºC
4. 3.13V and 85ºC
5. Timing parameters defined in Section 4.19.3
6. 0m cable length
7. Tested on a 2961 board from 5MHz to 3GHz.
Max Units Notes
60
MHz
5
60
%
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
GS2961 3Gb/s, HD, SD SDI Receiver, with Integrated
Adaptive Cable Equalizer
Data Sheet
48004 - 2
November 2009
22 of 104