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MAX9242 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX9242
Description  21-Bit Deserializers with Programmable Spread Spectrum and DC Balance
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX9242 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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21-Bit Deserializers with Programmable
Spread Spectrum and DC Balance
4
_______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS
(VCC = LVDSVCC = PLLVCC = +3.0V to +3.6V, VCCO = +3.0V to +3.6V, CL = 8pF, PWRDWN = high; SSG = high, open, or low;
DCB = high or low, differential input voltage |VID| = 0.1V to 1.2V, input common-mode voltage VCM = |VID / 2| to 2.4V - |VID / 2|, unless
otherwise noted. Typical values are at VCC = VCCO = LVDSVCC = PLLVCC = +3.3V, |VID| = 0.2V, VCM = +1.25V, TA = +25°C.) (Notes 6, 7, 8)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RxOUT_
2.9
4.7
6.5
Output Rise Time
CLHT
0.1 x VCCO to 0.9 x VCCO,
Figure 3
RxCLKOUT
2.0
3.3
4.1
ns
RxOUT_
2.1
3.0
4.2
Output Fall Time
CHLT
0.9 x VCCO to 0.1 x VCCO,
Figure 3
RxCLKOUT
1.10
1.94
2.70
ns
Output Rise Time (MAX9254)
CLHT
0.1 x VCCO to 0.9 x VCCO,
Figure 3
RxOUT_
1.4
2.2
3.3
ns
Output Fall Time (MAX9254)
CHLT
0.9 x VCCO to 0.1 x VCCO,
Figure 3
RxCLKOUT
1.1
1.8
2.8
ns
16MHz
2560
3142
DC-balanced mode,
Figure 4
34MHz
900
1386
20MHz
2500
3164
RxIN Skew Margin (Note 9)
RSKM
Non-DC-balanced mode,
Figure 4
40MHz
960
1371
ps
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = LVDSVCC = PLLVCC = +3.0V to +3.6V, VCCO = +3.0V to +5.5V, PWRDWN = high; SSG = high, open, or low; DCB = high or
low, differential input voltage |VID| = 0.05V to 1.2V, input common-mode voltage VCM = |VID / 2| to 2.4V - |VID / 2|, unless otherwise
noted. Typical values are at VCC = VCCO = LVDSVCC = PLLVCC = +3.3V, |VID| = 0.2V, VCM = +1.25V, TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
High-Impedance Output Current
IOZ
PWRDWN = low, VOUT = -0.3V to (VCCO + 0.3V)
-30
+30
µA
RxCLKOUT (Note 4)
-10
-40
VCCO = 3.0V to 3.6V,
VOUT = 0V
RxOUT_
-5
-20
RxCLKOUT (Note 4)
-28
-75
Output Short-Circuit Current
(Note 5)
IOS
VCCO = 4.5V to 5.5V,
VOUT = 0V
RxOUT_
-13
-37
mA
RxOUT_
VCCO = 3.0V to 3.6V,
VOUT = 0V
RxCLKOUT (Note 4)
-16
-51
RxOUT_
Output Short-Circuit Current
(MAX9254) (Note 5)
IOS
VCCO = 4.5V to 5.5V,
VOUT = 0V
RxCLKOUT (Note 4)
-34
-93
mA
LVDS INPUTS (RxIN_, RxCLKIN_)
Differential Input High Threshold
VTH
(Note 6)
50
mV
Differential Input Low Threshold
VTL
(Note 6)
-50
mV
Input Current
IIN+, IIN-
PWRDWN = high or low
-25
+25
µA
Power-Off Input Current
IINO+, IINO- VCC = VCCO = 0V or open
-40
+40
µA
-40°C to +85°C
42
78
Input Resistor 1
RIN1
PWRDWN = high or low,
VCC = VCCO = 0V or open,
Figure 1
-40°C to +105°C
42
85
k
Ω
-40°C to +85°C
246
410
Input Resistor 2
RIN2
PWRDWN = high or low,
VCC = VCCO = 0V or open,
Figure 1
-40°C to +105°C
246
440
k
Ω


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