VSC7961W 查看數據表（PDF） - Vitesse Semiconductor
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VSC7961W Datasheet PDF : 10 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7961
3.125Gb/s PECL Limiting Amplifier with LOS Detect
Table 3: Loss of Signal Specifications
Symbol
Parameter
HLOS
ILOS
LOS Hystersis
LOS Assert/Deassert Time
VTHA
LOS Assert Threshold
VTHD
VLOSH
VLOSL
LOS Deassert Threshold
LOS Output HIGH Voltage
LOS Output LOW Voltage
Min Typ Max Units
Conditions
3.1
3.3
5.5
0.22 0.25 0.28
8.2
12.8 19.8 21.8
57.2
11.4
26.2 29.0 31.6
75.2
3.3
0.168
dB HLOS = 20 log (VTHD/VTHA)
µs
mV RTH = 2.5kΩ
mV RTH = 7kΩ
mV RTH = 20kΩ
mV RTH = 2.5kΩ
mV RTH = 7kΩ
mV RTH = 20kΩ
V ILOS = –30µA
V ILOS = +1.2µA
Table 4: Loss of Signal Truth Table
SQUELCH
High
Low
High
Low
LOS
Low
High
Low
Low
Output
Off
On
On
On
Absolute Maximum Ratings(1)
Power Supply Voltage (VCC)............................................................................................................. -0.5V to +6V
Maximum Junction Temperature Range .........................................................................................................TBD
Storage Temperature Range (TS)................................................................................................. -55°C to +150°C
NOTE: (1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without caus-
ing permanent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended
periods may affect device reliability.
Recommended Operating Conditions
Positive Voltage Rail (VCC).................................................................................................................. 3.3V or 5V
Junction Temperature Range (TJ)................................................................................................ -40°C to +100°C
Ambient Temperature Range (TA)................................................................................................. -40°C to +85°C
G52360-0, Rev 2.0
02/09/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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