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DS90C124 Datasheet, PDF (2/17 Pages) National Semiconductor (TI) – 5-35MHz DC-Balanced 24-Bit LVDS Serializer and Deserializer
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC)
LVCMOS/LVTTL Input Voltage
LVCMOS/LVTTL Output
−0.3V to +4V
−0.3V to (VCC +0.3V)
Voltage
LVDS Receiver Input Voltage
−0.3V to (VCC +0.3V)
−0.3V to 3.9V
LVDS Driver Output Voltage
−0.3V to 3.9V
LVDS Output Short Circuit
Duration
10 ms
Junction Temperature
+150˚C
Storage Temperature
−65˚C to +150˚C
Lead Temperature
(Soldering, 4 seconds)
+260˚C
Maximum Package Power Dissipation Capacity Package
De-rating:
48L TQFP
DS90C241
1/θJA ˚CW above +25˚C
θJA
45.8 (4L*); 75.4 (2L*) ˚C/W
θJC
DS90C124
21.0˚C/W
θJA
θJC
ESD Rating (HBM)
45.4 (4L*); 75.0 (2L*)˚C/W
21.1˚C/W
*JEDEC
>8 kV
ESD Rating (ISO10605) DS90C241 meets ISO 10605
Contact Discharge (DOUT+, DOUT-) to GND
Air Discharge (DOUT+, DOUT-) to GND
±10 kV
±30 kV
Recommended Operating
Conditions
Supply Voltage (VCC)
Operating Free Air
Temperature (TA)
Clock Rate
Supply Noise
Min Nom
3.0
3.3
−40
+25
5
Max
3.6
+105
35
±100
Units
V
˚C
MHz
mVP-P
Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
Pin/Freq.
LVCMOS/LVTTL DC SPECIFICATIONS
VIH
High Level Voltage
VIL
Low Level Input Voltage
VCL
Input Clamp Voltage
IIN
Input Current
ICL = −18 mA
VIN = 0V or 3.6V
Tx: DIN[0:23], TCLK,
DEN, TRFB, DCAOFF,
DCBOFF, VODSEL
Rx: RRFB, REN
Tx: TPWDNB
Rx: RPWDNB
VOH High Level Output Voltage
VOL
Low Level Output Voltage
IOS
Output Short Circuit Current
IOZ
TRI-STATE® Output Current
LVDS DC SPECIFICATIONS
IOH = −2 mA
IOL = +2 mA
VOUT = 0V
RPWRDN = 0.8V,
VOUT = 0V or VCC
ROUT[0:23], RCLK,
LOCK
ROUT[0:23], RCLK,
LOCK
VTH
Differential Threshold High VCM = +1.2V
Voltage
RIN+, RIN−
VTL
Differential Threshold Low
Voltage
IIN
Input Current
VIN = 2.4V,
VCC = 3.6V or 0V
VIN = 0V, VCC = 3.6V or 0V
Min Typ Max Units
2.0
GND
VCC
V
0.8 V
−0.7 −1.2 V
−10 ±2 +10 µA
−20 ±5 +20 µA
2.3 3.0 VCC V
GND 0.33 0.5 V
−110 mA
−15 ±0.4 +15 µA
−100
+100 mV
mV
±100 µA
±100 µA
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