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參數資料
| 型號： | TLIU04C1 |
| 英文描述： | TLIU04C1 Quad T1/E1 Line Interface |
| 中文描述： | TLIU04C1四T1/E1線路接口 |
| 文件頁數： | 52/100頁 |
| 文件大?。?/td> | 1321K |
| 代理商： | TLIU04C1 |
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Advance Data Sheet, Rev. 2
TLIU04C1 Quad T1/E1 Line Interface
April 1999
52
Lucent Technologies Inc.
Microprocessor Mode
(continued)
Power Requirements
The majority of the power used by the TLIU04C1 device is used by the line drivers. Therefore, the power is very
dependent on data pattern and signal amplitude. The signal amplitude is a function of the transmit equalization in
DS1 mode. When configured for greater cable loss, the signal amplitude is greater at the output drivers, and thus
uses more power. For this reason, the power specification of Table 34 are given for various conditions. The typical
specification is for a quasi-random signal and the maximum specification is for a mark (all ones) pattern. The power
also varies somewhat for DS1 versus CEPT, so figures are given for both.
Table 34. Power Consumption
Power dissipation is the amount of power dissipated in the device. It is equal to the power drawn by the device
minus the power dissipated in the line.
Table 35. Power Dissipation
Electrical Characteristics
Parameter
Power
Unit
Typ
TBD
TBD
TBD
Max
TBD
TBD
TBD
CEPT
DS1
DS1 with Max Eq.
mW
mW
mW
Parameter
Power
Unit
Typ
TBD
TBD
TBD
Max
TBD
TBD
TBD
CEPT
DS1
DS1 with Max Eq.
mW
mW
mW
Table 36. Logic Interface Characteristics
Note:
The following internal resistors are provided: 50 k
pull-up on the
ICT
and
RESET
pins, 50 k
pull-down on
the CLKS and CLKM pins, and 100 k
pull-up on the
CS
, and XCLK pins. This requires these input pins to
sink no more than 20 μA. The device uses TTL input and output buffers; all buffers are CMOS-compatible.
Parameter
Symbol
Test Conditions
—
Min
Max
Unit
Input Voltage:
Low
High
Input Leakage
Output Voltage:
Low
High
Input Capacitance
Load Capacitance
*
V
IL
V
IH
I
L
GND
D
2.1
—
0.8
V
DDD
10
V
V
μA
—
V
OL
V
OH
C
I
C
L
I
OL
= –5.0 mA
I
OH
= 5.0 mA
—
—
GND
D
V
DDD
– 0.5
—
—
0.4
V
DDD
3.0
50
V
V
pF
pF
* 100 pF allowed for AD[7:0] (pins 75—82).
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