PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 117
PEF 2054 N V2.1
Manufacturer Part Number
PEF 2054 N V2.1
Description
IC INTERFACE CTRLR PCM LCC-44
Manufacturer
Infineon Technologies
Series
EPICr
Datasheet
1.PEF_2054_N_V2.1.pdf
(269 pages)
Specifications of PEF 2054 N V2.1
Function
PCM Interface Controller
Interface
ISDN, PCM
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
9.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LCC
Includes
Board Controller, Channel Switching
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Other names
PEF2054NV2.1XT
PEF2054NV21XK
SP000057916
SP000075438
PEF2054NV21XK
SP000057916
SP000075438
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Figure 40
Circuit for Delaying the Framing Signal at the CFI Interface
Semiconductor Group
SYNC
CLK
DIN
DOUT
CLK
SYNC
DOUT
DIN
FSC
additional hardware must delay the frame signal to enable a synchronization with
the positive edge of DCL. Figure 40 gives a suggestion of how to adapt the
external timing.
+5 V
1st Bit
J
PR
CLR
K
1st Bit
Rising FSC edge marks 2nd Bit of frame
J-K Flip-Flop e.g. 74HC112
Q
Q
2nd Bit
2nd Bit
+5 V
117
3rd Bit
J
PR
CLR
K
3rd Bit
Q
Q
4th Bit
4th Bit
Application Hints
FSC
DCL
(DU#)
(DD#)
5th Bit
EPIC
5th Bit
PEB 2055
PEF 2055
R
ITS08055
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