MAX3681(1996) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX3681 Datasheet PDF : 8 Pages
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+3.3V, 622Mbps, SDH/SONET
1:4 Deserializer with LVDS Outputs
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
VCC ...........................................................................-0.5V to 5V
PECL Inputs (SD+/-, SCLK+/-).................................VCC + 0.5V
LVDS Inputs (SYNC+/-)............................................VCC + 0.5V
Output Current, LVDS Outputs (PCLK+/-, PD_+/-) .............10mA
Continuous Power Dissipation (TA = +85°C)
SSOP (derate 8.00mW/°C above +85°C) ......................520mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.6V, differential loads = 100Ω, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3.3V,
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX
UNITS
Supply Current
ICC
PECL INPUTS (SD+/-, SCLK+/-)
55
80
120
mA
Input High Voltage
VIH
Input Low Voltage
VIL
Input High Current
IIH
VIN = VIH(MAX)
Input Low Current
IIL
VIN = VIL(MAX)
LVDS INPUTS AND OUTPUTS (SYNC+/-, PCLK+/-, PD_+/-)
VCC - 1.16
VCC - 1.81
-10
-10
VCC - 0.88
V
VCC - 1.48
V
10
µA
10
µA
Input Voltage Range
VI
Differential input voltage = 100mV
0
2.4
V
Differential Input Threshold
VIDTH Common-mode voltage = 50mV
-100
100
mV
Threshold Hysteresis
VHYST
70
mV
Differential Input Resistance
RIN
85
100
115
Ω
Output High Voltage
VOH
1.475
V
Output Low Voltage
VOL
0.925
V
Differential Output Voltage
VOD
250
400
mV
Change in Magnitude of Differential
Output Voltage for Complementary
States
∆VOD
25
mV
Output Offset Voltage
Change in Magnitude of Output
Offset Voltage for Complementary
States
VOS TA = +25°C
∆VOS
1.125
1.275
V
25
mV
Single-Ended Output Resistance
RO
Change in Magnitude of Single-
Ended Output Resistance for
∆RO
Complementary States
40
70
140
Ω
±1
±10
%
AC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.6V, differential loads = 100Ω, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
Maximum Serial Clock Frequency
fSCLK
622
Serial Data Setup Time
tSU
800
Serial Data Hold Time
tH
50
Parallel Clock to Data Output Delay tCLK-Q
200
TYP MAX
550
900
UNITS
MHz
ps
ps
ps
Note 1: AC Characteristics guaranteed by design and characterization.
2 _______________________________________________________________________________________
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