參數資料
型號: VSC7959W
廠商: VITESSE SEMICONDUCTOR CORP
元件分類: 數字傳輸電路
英文描述: 3.125Gb/s CML Limiting Amplifier with LOS Detect
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, UUC16
封裝: DIE-16
文件頁數: 3/10頁
文件大?。?/td> 96K
代理商: VSC7959W
VITESSE
Advance Product Information
VSC7959
3.125Gb/s CML Limiting Amplifier with LOS Detect
G52358-0, Rev 2.0
02/09/01
Page 3
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Table 3: Loss of Signal Specifications
Table 4: Loss of Signal Truth Table
Absolute Maximum Ratings
(1)
Power Supply Voltage (V
CC
).............................................................................................................-0.5V to +6V
Maximum Junction Temperature Range .........................................................................................................TBD
Storage Temperature Range (T
S
).................................................................................................-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 (V
CC
).................................................................................................................. 3.3V or 5V
Junction Temperature Range (T
J
)................................................................................................-40
°
C to +100
°
C
Ambient Temperature Range (T
A
)................................................................................................. -40
°
C to +85
°
C
Symbol
Parameter
Min
Typ
Max
Units
Conditions
H
LOS
I
LOS
LOS Hystersis
3.1
3.3
5.5
dB
H
LOS
= 20 log (V
THD
/V
THA
)
LOS Assert/Deassert Time
0.22
0.25
0.28
μs
V
THA
LOS Assert Threshold
8.2
mV
R
TH
= 2.5k
R
TH
= 7k
R
TH
= 20k
R
TH
= 2.5k
R
TH
= 7k
R
TH
= 20k
I
LOS
=
30μA
I
LOS
= +1.2μA
12.8
19.8
21.8
mV
57.2
mV
V
THD
LOS Deassert Threshold
11.4
mV
26.2
29.0
31.6
mV
75.2
mV
V
LOSH
V
LOSL
LOS Output HIGH Voltage
3.3
V
LOS Output LOW Voltage
0.168
V
SQUELCH
LOS
Output
High
Low
High
Low
Low
High
Low
Low
Off
On
On
On
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