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參數(shù)資料
| 型號： | T7698 |
| 廠商： | Lineage Power |
| 英文描述： | Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器) |
| 中文描述： | 四T1/E1線路接口和八路的T1/E1監(jiān)視器（四個T1/E1線接口和八T1/E1的監(jiān)控器） |
| 文件頁數(shù)： | 101/112頁 |
| 文件大?。?/td> | 1359K |
| 代理商： | T7698 |
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Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
101
Lucent Technologies Inc.
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent or latent damage to the device. These
are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in
excess of those given in the operational sections of this device specification. Exposure to absolute maximum rat-
ings for extended periods can adversely affect device reliability.
Table 112. Absolute Maximum Ratings
Handling Precautions
Although protection circuitry has been designed into this device, proper precautions should be taken to avoid expo-
sure to electrostatic discharge (ESD) during handling and mounting. Lucent employs a human-body model (HBM)
and charged-device model (CDM) for ESD-susceptibility testing and protection design evaluation. ESD voltage
thresholds are dependent on the circuit parameters used in the defined model. No industry-wide standard has
been adopted for the CDM. However, a standard HBM (resistance = 1500
, capacitance = 100 pF) is widely used
and, therefore, can be used for comparison purposes. The HBM ESD threshold presented here was obtained by
using these circuit parameters.
Operating Conditions
Parameter
Min
–0.5
–65
—
–0.5
—
Max
6.5
125
0.5
—
0.5
Unit
V
°C
V
V
V
dc Supply Voltage
Storage Temperature
Maximum Voltage (digital pins) with Respect to V
DDD
Minimum Voltage (digital pins) with Respect to GND
D
Maximum Allowable Voltages (RTIP[1—4], RRING[1—4])
with Respect to V
DD
Minimum Allowable Voltages (RTIP[1—4], RRING[1—4])
with Respect to GND
–0.5
—
V
Table 113. ESD Threshold Voltage
Device
T7698
Model
HBM
Voltage
2000 V
1000 V
500 V
CDM (corner pins)
CDM (non-corner pins)
Table 114. Recommended Operating Conditions
Parameter
Symbol
T
A
V
DD
Min
–40
4.75
Typ
—
5.0
Max
85
5.25
Unit
°C
V
Ambient Temperature
Power Supply
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