psf21911 ETC-unknow, psf21911 Datasheet - Page 136

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Semiconductor Group
5.4
T
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.
Figure 50 Input/Output Waveform for AC Tests
5.4.1
Siemens/Intel Bus Mode
Figure 51 Siemens/Intel Read Cycle
A
= 0 to 70 °C, V
AC Characteristics
Parallel Microprocessor Interface Timing
DD
= 5 V
5%
136
Electrical Characteristics
PSB 21911
PSF 21911
11.97