PEF2054 SIEMENS [Siemens Semiconductor Group], PEF2054 Datasheet - Page 148
![no-image](/images/no-image-200.jpg)
PEF2054
Manufacturer Part Number
PEF2054
Description
ICs for Communications
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEF2054.pdf
(269 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PEF20542F
Manufacturer:
infineon
Quantity:
28
Company:
Part Number:
PEF2054N
Manufacturer:
infineon
Quantity:
70
Part Number:
PEF2054NV1.0
Manufacturer:
SIEMENS/西门子
Quantity:
20 000
Part Number:
PEF2054NV2.1
Manufacturer:
LANTIQ
Quantity:
20 000
- Current page: 148 of 269
- Download datasheet (2Mb)
Tristate Behavior at the Configurable Interface
The downstream control memory code field, together with the CSCR and OMDR
registers also defines the state of the output driver at the downstream CFI ports.
Unassigned channels (code “0000”) are set to the inactive state. Subchannels (codes
“0010” to “0111”) are only active during the subtime slot position specified in CSCR. The
OMDR:COS bit selects between tristate outputs and open drain outputs:
Table 25
Logical State
Logical 0
Logical 1
Inactive
1)
Figure 55 illustrates this behavior in case of tristate outputs:
Figure 55
Tristate Behavior at the CFI
Semiconductor Group
An external pull-up resistor is required to establish a high voltage level.
CFI Time-Slot #
CM Data Field
CM Code Field
DD #
High Z
1 -
0 -
X X X X X X X X
0
Unassigned
Channel
0
N
0
Tristate Outputs
Low voltage level
High voltage level
High impedance
0
0
(Switched from PCM)
64 kbit/s Channel
Pointer to DM
0
N+1
148
0
1
CSCR : SC#1..#0 = 01
(Switched from PCM)
0
16 kbit/s Channel
Pointer to DM
1
N+2
1
Open Drain Outputs
Low voltage level
Not driven
Not driven
0
1
1
(Always 64 kbit/s)
µP Channel
0
Application Hints
1)
1)
1
0
N+3
1
0
0
PEB 2055
0
PEF 2055
ITD08070
1
1
0
Related parts for PEF2054
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![S80C32-12](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
Intel 80C32 - Siemens SAB-C501, Nearest Equivalent Replacement
Manufacturer:
Siemens Semiconductor Group
![BAT14-033](/images/no-image3.png)
Part Number:
Description:
HiRel Silicon Schottky Diode (HiRel Discrete and Microwave Semiconductor Medium barrier diodes for detector and mixer applications)
Manufacturer:
SIEMENS [Siemens Semiconductor Group]
Datasheet:
![BXY43-P1](/images/no-image3.png)
Part Number:
Description:
HiRel Silicon PIN Diode (HiRel Discrete and Microwave Semiconductor Current controlled RF resistor for RF attenuators and switches)
Manufacturer:
SIEMENS [Siemens Semiconductor Group]
Datasheet:
![BXY44-T1](/images/no-image3.png)
Part Number:
Description:
HiRel Silicon PIN Diode (HiRel Discrete and Microwave Semiconductor Current controlled RF resistor for RF attenuators and switches)
Manufacturer:
SIEMENS [Siemens Semiconductor Group]
Datasheet:
![IRL80](/images/no-image3.png)
Part Number:
Description:
GaAs-Infrarot-Sendediode GaAs Infrared Emitter
Manufacturer:
SIEMENS [Siemens Semiconductor Group]
Datasheet:
![IRL81](/images/no-image3.png)
Part Number:
Description:
GaAlAs-Infrarot-Sendediode GaAlAs Infrared Emitter
Manufacturer:
SIEMENS [Siemens Semiconductor Group]
Datasheet:
![BSM50GB100D](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
IGBT MODULE
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![BSM181R](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
SIMOPAC Module (Power module Single switch N channel Enhancement mode)
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![BSM254F](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
(BSMxxx) TRANSISTOR
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![BSM111AR](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
SIMOPAC Module (Power module Single switch N channel Enhancement mode)
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![BUZ48](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
main ratings
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![TDA4716C](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![DL440M](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
Manufacturer:
Siemens Semiconductor Group
Datasheet:
![SDA5255](/images/manufacturer_photos/0/6/607/siemens_semiconductor_group_tmb.jpg)
Part Number:
Description:
Manufacturer:
Siemens Semiconductor Group
Datasheet: