MAX3980 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3980 Datasheet PDF : 9 Pages
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3.125Gbps XAUI Quad Equalizer
Typical Operating Characteristics
(VCC = +3.3V, 3.125Gbps, 500mVp-p board input with 27 - 1 PRBS, TA = +25°C, unless otherwise noted.)
EQUALIZER INPUT EYE DIAGRAM
BEFORE EQUALIZATION
(40in FR-4 6mil STRIPLINE)
EQUALIZER OUTPUT EYE DIAGRAM
AFTER EQUALIZATION
(40in FR-4 6mil STRIPLINE)
EQUALIZER OUTPUT EYE DIAGRAM
(20in BACKPLANE WITH TWO TERADYNE HSD
CONNECTORS AND 3in DAUGHTERBOARD)
50mV/
div
100mV/
div
100mV/
div
50ps/div
50ps/div
50ps/div
INPUT RETURN GAIN (S11, DIFFERENTIAL,
INPUT SIGNAL = -60dBm,
DEVICE POWERED OFF)
10
0
-10
-20
-30
-40
-50
50
1050 2050 3050 4050 5050
FREQUENCY (MHz)
EQUALIZER DETERMINISTIC JITTER
vs. LENGTH
(FR-4 6mil STRIPLINE, K28.5 PATTERN)
40
35
30
25
20
15
10
5
0
0
10
20
30
40
50
LENGTH (in)
EQUALIZER OPERATING
CURRENT vs. TEMPERATURE
EQUALIZER LATENCY
vs. TEMPERATURE
500
450
400
350
300
250
200
0
10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
210
NORMAL OPERATION
190
(EN = TTL HIGH)
170
150
130
110
90
STANDBY POWER
70
(EN = TTL LOW)
50
0 10 20 30 40 50 60 70 80
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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