VSC7960W 查看數據表（PDF） - Vitesse Semiconductor
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VSC7960W
Vitesse Semiconductor
VSC7960W Datasheet PDF : 22 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
3.125Gb/s CML Limiting Amplifier with LOS Detect
and Laser Driver with Automatic Power Control
Advance Product Information
VSC7960
Table 5: PECL and TTL/CMOS Inputs and Outputs Specifications
Symbol
VID
VICM
IIN
VIH
VIL
VOH
VOL
Parameter
Differential Input Voltage
Common-Mode Input Voltage
Clock and Data Input Current
TTL Input High Voltage
(ENABLE, LATCH, DISABLE)
TTL Input Low Voltage
(ENABLE, LATCH, DISABLE)
TTL Output High Voltage (FAIL)
TTL Output Low Voltage (FAIL)
Min
100
VCC -
1.49
-1
2.0
Typ
VCC -
1.32
Max
1600
VCC -
VID/4
10
Units
Conditions
mVp-p (DATA+) - (DATA-)
V PECL compatible
µA
V
0.8
2.4
VCC -
0.3
VCC
0.1
0.44
V
V Sourcing 50µA
V Sinking 100µA
Table 6: Limiting Amplifier Loss of Signal Specifications
Symbol
HLOS
tLOS
Parameter
LOS Hysteresis
LOS Assert / Deassert Time
VTHA
LOS Assert Threshold
VTHD
VLOSH
VLOSL
LOS Deassert Threshold
LOS Output High Voltage
LOS Output Low Voltage
Min Typ
3.1
3.3
0.22 0.25
8.2
12.8 19.8
57.2
11.4
26.2 29
75.2
3.3
0.168
Table 7: Limiting Amplifier Loss of Signal Truth Table
Max
5.5
0.28
21.8
31.6
Units
dB
µs
mV
mV
V
V
Conditions
HLOS= 20 log (VTHD / VTHA)
RTH=2.5kΩ
RTH=7kΩ
RTH=20kΩ
RTH=2.5kΩ
RTH=7kΩ
RTH=20kΩ
ILOS=-30µA
ILOS=+1.2µA
SQUELCH
High
Low
High
Low
LOS
High
High
Low
Low
Output
Off
On
On
On
Page 4
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52359-0, Rev 2.1
05/01/01
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