參數(shù)資料
型號: T7290A
廠商: Lineage Power
英文描述: DS1/T1/CEPT/E1 Line Interface(DS1/T1/CEPT/E1 線接口)
中文描述: DS1/T1/CEPT/E1線路接口(DS1/T1/CEPT/E1線接口)
文件頁數(shù): 17/24頁
文件大?。?/td> 420K
代理商: T7290A
Data Sheet
April 1998
T7290A DS1/T1/CEPT/E1 Line Interface
17
Lucent Technologies Inc.
Timing Characteristics
All duty-cycle and timing relationships for receive and transmit data signals are referenced to a TTL, 1.4 V
threshold level. Figure 10 shows this timing.
Table 10. Interface Data Timing
(See Figure 10.)
* A tolerance of
±
130 ppm.
A tolerance of
±
80 ppm.
Figure 10. Interface Data Timing
Symbol
tTCLTCL
Parameter
Min
40
*
Typ
50
Max
60
*
Unit
%
TCLK Duty Cycle
TCLK Clock Period:
DS1/T1
CEPT
Transmit Data Setup Time
Transmit Data Hold Time
Clock Rise Time (10%—90%)
Clock Fall Time (10%—90%)
Receive Data Setup Time
Receive Data Hold Time
Receive Propagation Delay
647.7
488
ns
ns
ns
ns
ns
ns
ns
ns
ns
tTDVTCL
tTCLTDX
tTCH1TCH2
tTCL2TCL1
tRDVRCH
tRCHRDX
tRCLRDV
50
40
140
180
40
40
40
TCLK
TPDATA
OR
TNDATA
RCLK
RPDATA
OR
RNDATA
tTCLTCL
tTCH1TCH2
tTCL2TCL1
tTDVTCL
tTCLTDX
tRCLRDV
tRDVRCH
tRCHRDX
5-1156(C)r.8
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T7290A-EL 制造商:未知廠家 制造商全稱:未知廠家 功能描述:T7290A DS1/T1/CEPT Line Interface
T-7290A--EL-DT 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel