DS92LV2421 Datasheet, PDF (12/40 Pages) National Semiconductor (TI) – 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer

Symbol
Parameter
Conditions
Pin/Freq.
V_TH
Differential Input Threshold
High Voltage
V_TL
Differential Input Threshold
Low Voltage
V_CM = +1.2V (Internal V_BIAS)
Common Mode Voltage,
V_CM
Internal V_BIAS
I_IN
Input Current
TBD
TBD
RIN+, RIN-
R_TI
Internal Input Termination
Resistor
RIN+,
RIN-
LOOP THROUGH CML DRIVER OUTPUT DC SPECIFICATIONS – EQ TEST PORT
V_OD
Differential Output Voltage
R_L = 100Ω
V_OS
Offset Voltage
Single-ended
R_L = 100Ω
ROUT+/-
SUPPLY CURRENT
I_DD1
I_DDIO1
I_DD2
I_DDIO2
I_DDZ
I_DDIOZ
Deserializer
Supply Current
(includes load current)
CLKOUT = 75 MHz
Deserializer Supply Current
Power Down
Checker Board
V_DD= 1.89V All V_DD pins
Pattern, RDS = H,
C_L = 4pF, Figure 9
V_DDIO=1.89V
V_DDIO = 3.6V
V_DDIO
V_DD= 1.89V All V_DD pins
Random Pattern, RDS
= H, CL = 4pF
V_DDIO =1.89V
V_DDIO = 3.6V
V_DDIO
PDB = 0V, All other
LVCMOS Inputs = 0V
V_DD= 1.89V
V_DDIO=1.89V
V_DDIO = 3.6V
All V_DD pins
V_DDIO
Min
+50
−50
-10
-10
80
Typ Max Units
mV
mV
1.2
V
+10
µA
+10
µA
100 120
Ω
TBD
mV
TBD
V
TBD TBD mA
TBD TBD mA
TBD TBD mA
TBD
mA
TBD
mA
TBD
mA
TBD TBD µA
TBD TBD µA
100 TBD µA
Recommended Serializer Timing for CLKIN
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
t_TCP
t_TCIH
Transmit Input CLKIN Period
Transmit Input CLKIN High
Time
10 MHz to 75 MHz, Figure 4
t_TCIL
t_CLKT
SSC_IN
Transmit Input CLKIN Low Time
CLKIN Input Transition Time
CLKIN Input – Spread
Spectrum at 75 MHz
fmod
fdev
Min
13.3
0.4T
0.4T
0.5
Typ
T
0.5T
0.5T
Max
100
0.6T
0.6T
2.4
35
±2
Units
ns
ns
ns
ns
kHz
%
Serializer Switching Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
t_LHT
Ser Output Low-to-High
Transition Time, Figure 3
R_L = 100Ω, De-emphasis = disabled,
VODSEL = 0
R_L = 100Ω, De-emphasis = disabled,
VODSEL = 1
t_HLT
Ser Output High-to-Low
Transition Time, Figure 3
R_L = 100Ω, De-emphasis = disabled,
VODSEL = 0
R_L = 100Ω, De-emphasis = disabled,
VODSEL = 1
t_DIS
Input Data - Setup Time,
Figure 4
DI[23:0], CI1, CI2, CI3 to CLKIN
Min Typ Max Units
200
ps
200
ps
200
ps
200
ps
2
ns
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