GS2961A Datasheet, PDF (21/104 Pages) Gennum Corporation – Ancillary data extraction

Table 2-4: AC Electrical Characteristics (Continued)
Guaranteed over recommended operating conditions unless otherwise noted.
Parameter
Symbol
Conditions
Min Typ
Serial Output Fall Time
20% ~ 80%
Serial Output Jitter with
loop-through mode
Serial Output Duty Cycle
Distortion
Synchronous lock time
Asynchronous lock time
Lock time from power-up
tf_SDO
–
–
–
t_OJ
SMPTE colour bar 3G,
–
–
150m
SMPTE colour bar HD,
–
–
250m
SMPTE colour bar SD,
–
–
480m
DCD_SDD
3G
HD
–
10
–
10
SD
–
20
–
–
–
–
–
–
0.1
–
–
After 20 minutes at
-20°C
–
–
GSPI
GSPI Input Clock Frequency
f_SCLK
–
–
GSPI Input Clock Duty Cycle
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
–
37.1
–
word (or data in Auto-Increment
mode) and the first SCLK of the
following data word - write cycle
Time between end of command
–
word (or data in Auto-Increment
mode) and the first SCLK of the
following data word - read cycle
148.4
–
CS high after SCLK falling edge
–
50% levels
37.1
–
3.3V or 1.8V operation
Max
180
100
100
470
–
–
–
25
20
5
60
60
–
–
–
–
–
–
–
Units
ps
ps
ps
ps
ps
ps
ps
μs
ms
s
MHz
%
ns
ns
ns
ns
ns
ns
ns
Notes
–
–
–
–
–
–
–
–
–
–
5
5
5
5
5
5
5
5
5
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 GS2961A board from 5MHz to 3GHz
GS2961A 3Gb/s, HD, SD SDI Integrated Receiver
Data Sheet
54385 - 2
September 2012
21 of 104