Datasheet

DS92LX1621, DS92LX1622
www.ti.com SNLS327I –MAY 2010–REVISED JANUARY 2014
Serializer Electrical Characteristics
(1)(2)(3)
(continued)
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
s
Differential Input Voltage
V
IN
RIN+ - RIN- 180 mV
Range
V
IN
= V
DD
or 0V,
I
IN
Input Current -20 ±1 +20 µA
V
DD
= 1.89V
Differential Internal
R
T
Differential across RIN+ and RIN- 80 100 120 Ω
Termination Resistance
SER/DES SUPPLY CURRENT *DIGITAL, PLL, AND ANALOG VDDS
RT = 100Ω
Serializer (Tx)
WORST CASE pattern 62 90
VDDn = 1.89V,
Total Supply Current
(See Figure 7)
I
DDT
f = 50MHz mA
Mode (includes load
Default Registers
RT = 100Ω
current)
55
RANDOM PRBS-7 pattern
VDDn = 1.89V,
f = 50MHz 2 5
Serializer (Tx) RT = 100Ω
Default Registers
I
DDIOT
VDDIO Supply Current WORST CASE pattern mA
VDDn = 3.6V,
(includes load current) (See Figure 7)
f = 50MHz 7 15
Default Registers
V
DD
= 1.89V 370 775
I
DDTZ
Serializer (Tx) Supply PDB = 0V; All other
V
DDIO
= 1.89V 55 125 µA
Current Power-down LVCMOS Inputs = 0V
I
DDIOTZ
V
DDIO
= 3.6V 65 135
V
DDn
= 1.89V
f = 50 MHz
CL = 8pF
SSCG[3:0] = ON 60 96
WORST CASE Pattern
Deserializer (Rx) Supply
Default Registers
(See Figure 7)
I
DDR
Current (includes load
current)
V
DDn
= 3.6V f = 50 MHz
CL = 8pF Default Registers 53
WORST CASE Pattern
mA
V
DDIO
= 1.89V f = 50 MHz
CL = 8pF Default Registers
16 25
WORST CASE Pattern
Deserializer (Rx) VDDIO
(See Figure 7)
I
DDIOR
Supply Current (includes
load current)
V
DDIO
= 3.6V f = 50 MHz
CL = 8pF Default Registers 38 64
Worst Case Pattern
V
DDn
= 1.89V 42 400
I
DDRZ
Deserializer (Rx) Supply PDB = 0V; All other
V
DDIO
= 1.89V 8 40 µA
Current Power-down LVCMOS Inputs = 0V
I
DDIORZ
V
DDIO
= 3.6V 350 800
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