GS2970 Datasheet, PDF (23/145 Pages) Semtech Corporation – 3Gb/s, HD, SD SDI Receiver Complete with SMPTE Audio and Video Processing

Table 2-4: AC Electrical Characteristics (Continued)
Guaranteed over recommended operating conditions unless otherwise noted.
Parameter
Symbol
Conditions
Min Typ
Serial Output Swing
Serial Output Rise Time
20% ~ 80%
Serial Output Fall Time
20% ~ 80%
Serial Output Intrinsic Jitter
Serial Output Duty Cycle
Distortion
Synchronous lock time
Asynchronous lock time
Lock time from power-up
ΔV_SDO
tr_SDO
Differential
with 100Ω
load
–
tf_SDO
t_OJ
DCD_SDD
–
–
–
–
SMPTE
colour bar
3G signal
SMPTE
colour bar
HD signal
SMPTE
colour bar
SD signal
3G
HD
SD
–
–
After 20
minutes at
-20°C
350
–
–
–
–
–
–
–
–
–
–
–
–
10
–
10
–
20
−
–
100
–
–
325
GSPI
GSPI Input Clock Frequency
GSPI Input Clock Duty Cycle
GSPI Input Data Setup Time
GSPI Input Data Hold Time
GSPI Output Data Hold Time
CS low before SCLK rising edge
f_SCLK
DC_SCLK
–
–
–
–
Time between end of command
–
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
50% levels
3.3V or 1.8V
operation
–
50% levels
3.3V or 1.8V
operation
50% levels
3.3V or 1.8V
operation
50% levels
3.3V or 1.8V
operation
–
–
40
50
1.5
–
1.5
–
1.5
–
1.5
–
37.1
–
148.4
–
Max Units Notes
600
mVp-p
–
180
ps
–
180
ps
–
100
ps
–
100
ps
–
400
ps
–
–
ps
–
–
ps
–
–
ps
–
25
μs
−
350
μs
–
ms
–
60
MHz
5
60
%
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
–
ns
5
GS2970 3Gb/s, HD, SD SDI Receiver Complete with
SMPTE Audio and Video Processing
Data Sheet
47478 - 4
September 2012
23 of 145