PSB2186N-V11TR Infineon Technologies, PSB2186N-V11TR Datasheet - Page 188
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PSB2186N-V11TR
Manufacturer Part Number
PSB2186N-V11TR
Description
IC ISDN SUBSCRIB ACCESS 44-PLCC
Manufacturer
Infineon Technologies
Datasheet
1.PSB2186N-V11TR.pdf
(240 pages)
Specifications of PSB2186N-V11TR
Controller Type
Subscriber Access Controller (ISDN)
Interface
4-Wire SPI Serial
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
17mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Other names
PSB2186N-V11INTR
PSB2186N-V11TR
PSB2186N-V11TR
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*
Clock Timing
The clocks are summarized in table 20, with the respective duty ratios.
Table 20
ISAC
Application
TE
The 1536-kHz clock is phase-locked to the receive S signal, and derived using the internal
DPLL and the 7.68 MHz 100 ppm crystal.
A phase tracking with respect to "S" is performed once in 250 s. As a consequence of this
DPLL tracking, the "high" state of the 1536-kHz clock may be either reduced or extended by
one 7.68-MHz period (duty ratio 2:2 or 4:2 instead of 3:2) once every 250 s. Since the other
signals are derived from this clock, the "high" or "low" states may likewise be reduced or
extended by the same amount once every 250 s.
The phase relationships of the clocks are shown in figure 68.
Figure 68
Phase Relationships of ISAC
Semiconductor Group
)
Synchronous to receive "S" line
1536
®
768 kHz
7.68 MHz
-S TE Clock Signals (IOM
kHz
*
*
Synchronous to receive S/T. Duty Ratio 3 : 2 Normally
DCL
o:1536 kHz*
3:2
®
-S TE Clock Signals
®
-2 mode)
FSC1
o:8 kHz*
1:2
188
BCL
o:768 kHz*
1:1
Electrical Characteristics
SDS1
o:8 kHz
1:11
2:10
ITD05427
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