參數(shù)資料
型號: PSB21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 136/164頁
文件大?。?/td> 1401K
代理商: PSB21911
PSB 21911
PSF 21911
Electrical Characteristics
Semiconductor Group
136
11.97
5.4
T
A
= 0 to 70 °C,
V
DD
= 5 V
±
5%
Inputs are driven to 2.4 V for a logical "1" and to 0.4 V for a logical "0". Timing
measurements are made at 2.0 V for a logical "1" and 0.8 V for a logical "0". The AC
testing input/output waveforms are shown in
figure 50.
AC Characteristics
Figure 50 Input/Output Waveform for AC Tests
5.4.1
Parallel Microprocessor Interface Timing
Siemens/Intel Bus Mode
Figure 51 Siemens/Intel Read Cycle
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