參數(shù)資料
型號(hào): 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(yè)數(shù): 96/100頁(yè)
文件大?。?/td> 1321K
代理商: TLIU04C1
Advance Data Sheet, Rev. 2
TLIU04C1 Quad T1/E1 Line Interface
April 1999
96
Lucent Technologies Inc.
Direct Logic Control 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 59 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 59. 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 60. 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 61. 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 microprocessor mode AD[7:0] (pins 75—82).
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