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DS90CR485 Datasheet, PDF (2/16 Pages) National Semiconductor (TI) – 133MHz 48-bit Channel Link Serializer (6.384 Gbps)
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)
Supply Voltage (VCC3)
LVCMOS/LVTTL Input Voltage
LVDS Output Voltage
LVDS Short Circuit Duration
−0.2V to +2.7V
−0.3V to +3.6V
−0.3V to (VCC3 + 0.3V)
−0.3V to (VCC + 0.3V)
Continuous
Maximum Package Power Dissipation @ 25˚C
100 TQFP Package
2.9W
Derate TQFP Package
23.8mW/˚C above +25˚C
Lead Temperature
(Soldering, 4 sec.)
+260˚C
Junction Temperature
+150˚C
Storage Temperature Range
−65˚C to +150˚C
ESD Rating:
(HBM, 1.5kΩ, 100pF)
I/O and Control Pins
All Supply and GND pins
(EIAJ, 0Ω, 200pF)
> 2 kV
> 1.5kV
> 200V
Recommended Operating
Conditions
Supply Voltage (VCC)
Supply Voltage (VCC3)
Operating Free Air
Temperature (TA)
Supply Noise Voltage
Clock Rate
Min Nom Max
2.37 2.5 2.62
2.37 2.5/3.3 3.46
Units
V
V
−10 +25 +70 ˚C
100 mVp-p
66
133 MHz
Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 2)
Symbol
Parameter
Conditions
Min
LVCMOS/LVTTL DC SPECIFICATIONS (All input pins.)
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VCL
Input Clamp Voltage
ICL = −18 mA
IIN
Input Current
VIN = 0.4V or VCC
VIN = GND
LVDS DC SPECIFICATIONS (All output pins TxOUTnP, TxOUTnM, CLKnP and CLKnM)
2.0
GND
−15
VOD
Differential Output Voltage
RL = 100Ω
250
∆VOD Change in VOD Between Complimentary
Output States
VOS
∆VOS
Offset Voltage
Change in VOS Between Complimentary
Output States
0.80
IOS
Output Short Circuit Current
IOZ
Output TRI-STATE Current
SUPPLY CURRENT
VOUT = 0V, RL = 100Ω
PD = 0V, OUTM = OUTP = 0V or VCC
ICCTW 2.5V Supply Current Worst Case
RL = 100Ω, CL = 5 pF,
Worst Case Pattern,
100% Pre-emphasis
BAL = Low, Figure 1
f = 66 MHz
f = 100 MHz
f = 133 MHz
3.3V Supply Current Worst Case
RL = 100Ω, CL = 5 pF,
Worst Case Pattern,
No Pre-emphasis
BAL = Low, Figure 1,
ICCTZ Supply Current Power Down
PD = Low
Typ
−0.8
+1.8
0
345
1.125
−3.5
±1
160
180
210
68
5
Max
VCC3
0.8
−1.5
+15
450
35
1.35
35
−15
±10
230
270
310
105
50
Units
V
V
V
µA
µA
mV
mV
V
mV
mA
µA
mA
mA
mA
µA
µA
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