DS92LV2421_11 Datasheet, PDF (13/40 Pages) National Semiconductor (TI) – 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer

Deserializer Switching Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
Pin/Freq.
t_RCP
CLK Output Period
t_RDC
CLK Output Duty Cycle
t_RCP = t_TCP
SSCG = OFF,
10 – 75 MHz
CLKOUT
SSCG = ON,
10 – 20MHz
SSCG = ON,
10 – 65MHz
t_CLH
LVCMOS
Low-to-High
Transition Time, Figure 10
V_DDIO = 1.8V,
C_L = 4pF, OS_CLKOUT/
DATA = L
CLKOUT
V_DDIO = 3.3V
C_L = 4pF, OS_CLKOUT/
DATA = H
t_CHL
LVCMOS
High-to-Low
Transition Time, Figure 10
V_DDIO = 1.8V,
C_L = 4pF, OS_CLKOUT/
DATA = L
CLKOUT
V_DDIO = 3.3V
C_L = 4pF, OS_CLKOUT/
DATA = H
t_ROS
t_ROH
t_DDLT
Data Valid before CLKOUT –
Set Up Time, Figure 14
Data Valid after CLKOUT –
Hold Time, Figure 14
Deserializer Lock Time,
Figure 13
V_DDIO = 1.71 to 1.89V or 3.0 DO[23:0], CO1, CO2,
to 3.6V
CO3
C_L = 4pF (lumped load)
V_DDIO = 1.71 to 1.89V or 3.0 DO[23:0], CO1, CO2,
to 3.6V
CO3
C_L = 4pF (lumped load)
SSC[3:0] = OFF,
CLKOUT = 10MHz
(Note 6)
SSC[3:0] = OFF,
(Note 6)
CLKOUT = 75MHz
SSC[3:0] = ON,
(Note 6)
CLKOUT = 10MHz
SSC[3:0] = ON,
(Note 6)
CLKOUT = 65MHz
t_DD
Des Delay - Latency, Figure 11
CLKOUT = 10 to 75
MHz
t_DPJ
Des Period Jitter
SSC[3:0] = OFF,
(Note 8)
CLKOUT = 10 MHz
CLKOUT = 65 MHz
CLKOUT = 75 MHz
t_DCCJ Des Cycle-to-Cycle Jitter
SSC[3:0] = OFF,
(Note 9)
CLKOUT = 10 MHz
CLKOUT = 65 MHz
CLKOUT = 75 MHz
t_IJT
Des Input Jitter Tolerance,
EQ = OFF,
Figure 16
SSCG = OFF,
CLKOUT = 75 MHz
jitter freq <2MHz
jitter freq >6MHz
BIST Mode
t_PASS
BIST PASS Valid Time,
BISTEN = 1, Figure 17
Min Typ Max Units
13.3
T
100
ns
40
50
60
%
35
59
65
%
40
53
60
%
2.1
ns
2.0
ns
1.6
ns
1.5
ns
0.23
0.5
UI
0.33
0.5
UI
3
ms
4
ms
30
ms
6
ms
139*T 140*T ns
500 1000 ps
550 1250 ps
435
900
ps
375
900
ps
500 1150 ps
460 1000 ps
0.9
UI
0.5
UI
1
10
μs
13
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