2.488Gbps/2.667Gbps Clock and
Data Recovery with Limiting Amplifier
DC ELECTRICAL CHARACTERISTICS (continued)
(V
= +3.0V to +3.6V, T = -40°C to +85°C. Typical values at V
= +3.3V, T = +25°C, unless otherwise noted.) (Note 1)
CC A
CC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LVTTL INPUT/OUTPUT SPECIFICATION (LOL, LREF, RATESET, FREFSET)
LVTTL Input High Voltage
LVTTL Input Low Voltage
LVTTL Input Current
V
2.0
V
V
IH
V
0.8
IL
-10
2.4
+10
µA
V
LVTTL Output High Voltage
LVTTL Output Low Voltage
V
I
I
= +20µA
= -1mA
OH
OH
V
0.4
V
OL
OL
Note 1: At -40°C, DC characteristics are guaranteed by design and characterization.
Note 2: CML outputs open.
Note 3: Voltage applied to V
pin is from 0.3V to 2.1V when input threshold is adjusted from +170mV to -170mV.
CTRL
Note 4: R = 50Ω to V
.
L
CC
AC ELECTRICAL CHARACTERISTICS
(V
= +3.0V to +3.6V, T = -40°C to +85°C. Typical values at V
= +3.3V, T = +25°C, unless otherwise noted.) (Note 5)
CC A
CC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
2.488
2.667
2.0212
MAX
UNITS
MAX3874 (RATESET = GND)
MAX3874 (RATESET = VCC)
MAX3874A
Serial Input Data Rate
Gbps
Differential Input Voltage (SDI )
Differential Input Voltage (SLBI )
V
Threshold adjust disabled, Figure 1 (Note 6)
BER ≤ 10-10
10
50
1600
800
2.0
mV
mV
ID
P-P
P-P
MAX3874
1.5
0.7
Jitter Transfer Bandwidth
Jitter Peaking
J
MHz
dB
BW
MAX3874A
J
f ≤ J
0.1
P
BW
f = 100kHz
3.1
8.0
0.93
0.65
>0.5
>0.3
7.1
Sinusoidal Jitter Tolerance
(MAX3874)
f = 1MHz
0.62
0.44
UI
P-P
P-P
P-P
f = 10MHz
f = 1MHz (Note 7)
f = 10MHz (Note 7)
f = 100kHz
Sinusoidal Jitter Tolerance
(MAX3874A)
UI
UI
Sinusoidal Jitter Tolerance with
Threshold Adjust Enabled
(Note 8)
f = 1MHz
0.82
0.54
2.7
f = 10MHz
mUI
Jitter Generation
J
(Note 9)
4.0
RMS
GEN
100kHz to 2.5GHz
2.5GHz to 4GHz
16
Differential Input Return Loss
(SDI±, SLBI±)
-20log
| S
dB
|
11
15
CML OUTPUT SPECIFICATION (SDO±, SCLKO±)
Output Edge Speed
t , t
20% to 80%
110
1000
+40
ps
mV
r
f
CML Output Differential Swing
Clock-to-Q Delay
R = 100Ω differential
L
600
-40
800
P-P
t
(Note 10)
ps
CLK-Q
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