Datasheet
DS90C124, DS90C241
SNLS209L –NOVEMBER 2005–REVISED APRIL 2013
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Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol Parameter Conditions Pin/Freq. Min Typ Max Units
LVCMOS/LVTTL DC SPECIFICATIONS
V
IH
High Level Voltage Tx: DIN[23:0], 2.0 V
CC
V
TCLK,
V
IL
Low Level Input Voltage GND 0.8 V
TPWDNB,
V
CL
Input Clamp Voltage I
CL
= −18 mA
(1)
DEN, TRFB,
DCAOFF,
DCBOFF,
−0.8 −1.5 V
VODSEL
Rx:
RPWDNB,
RRFB, REN
I
IN
Input Current V
IN
= 0V or 3.6V Tx: DIN[23:0],
TCLK,
TPWDNB,
DEN, TRFB, −10 ±5 +10 µA
DCAOFF,
DCBOFF,
VODSEL
Rx:
RPWDNB, −20 ±5 +20 µA
RRFB, REN
V
OH
High Level Output Voltage I
OH
= −4 mA Rx: 2.3 3.0 V
CC
V
ROUT[23:0],
V
OL
Low Level Output Voltage I
OL
= +4 mA GND 0.33 0.5 V
RCLK, LOCK
I
OS
Output Short Circuit Current V
OUT
= 0V
(1)
−40 −70 −110 mA
I
OZ
TRI-STATE Output Current RPWDNB, REN = 0V, Rx:
V
OUT
= 0V or 2.4V ROUT[23:0], −30 ±0.4 +30 µA
RCLK, LOCK
LVDS DC SPECIFICATIONS
V
TH
Differential Threshold High V
CM
= +1.2V Rx: R
IN+
, R
IN−
+50 mV
Voltage
V
TL
Differential Threshold Low
−50 mV
Voltage
I
IN
Input Current V
IN
= +2.4V,
±200 µA
V
CC
= 3.6V or 0V
V
IN
= 0V, V
CC
= 3.6V ±200 µA
V
OD
Output Differential Voltage R
L
= 100Ω, without Pre-emphasis Tx: D
OUT+
,
250 400 600 mV
(D
OUT+
)–(D
OUT−
) VODSEL = L (Figure 10) D
OUT−
R
L
= 100Ω, without Pre-emphasis
450 750 1200 mV
VODSEL = H (Figure 10)
ΔV
OD
Output Differential Voltage R
L
= 100Ω, without Pre-emphasis
10 50 mV
Unbalance
V
OS
Offset Voltage R
L
= 100Ω, without Pre-emphasis 1.00 1.25 1.50 V
ΔV
OS
Offset Voltage Unbalance R
L
= 100Ω, without Pre-emphasis 1 50 mV
I
OS
Output Short Circuit Current DOUT = 0V, DIN = H,
TPWDNB, DEN = 2.4V, −2 −8 mA
VODSEL = L
DOUT = 0V, DIN = H,
TPWDNB, DEN = 2.4V, −7 −13 mA
VODSEL = H
I
OZ
TRI-STATE Output Current TPWDNB, DEN = 0V,
−15 ±1 +15 µA
DOUT = 0V or 2.4V
(1) Specification is ensured by characterization and is not tested in production.
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