參數(shù)資料
型號: T7264
英文描述: T7264 U-Interface 2B1Q Transceiver
中文描述: T7264 U型接口2B1Q收發(fā)器
文件頁數(shù): 38/54頁
文件大?。?/td> 876K
代理商: T7264
38
Lucent Technologies Inc.
Data Sheet
April 1998
T7264 U-Interface 2B1Q Transceiver
Timing Characteristics
(continued)
Table 30. MTC Requirements and Characteristics* (LT Mode)
* To meet ANSI T1.601-1992, see note for Recommended Operating Conditions.
One UI = 12.5
μ
s.
Table 31. RESET Timing
(See Figures 27 and 28.)
5-5186
Figure 27. RESET Timing Diagram
Switching Test Input/Output Waveform
5-5187
Figure 28. Switching Test Waveform
Parameter
Min
Typ
125
Max
Unit
μ
s
MCLKs
ns
MTC Clock Period
MTC High/Low Time
MTC Rise/Fall Time
MTC Jitter
125 – 32 ppm
8
125 + 32 ppm
60
0.259
UI
Symbol
Parameter
Min
60
Max
Unit
ns
tRSLFL, tFLRSH
tRSLRSH
RESET Setup and Hold Time
RESET Low Time:
From Idle Mode or Normal Operation
From Power On
3
1.5
K2 frames
ms
F
RESET
(RS)
tRSLFL
tFLRSH
tRSLRSH
2.0 V
0.8 V
TEST POINTS
2.4 V
0.4 V
2.0 V
0.8 V
2.4 V
0.4 V
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