PEF 82912 F V1.4 Infineon Technologies, PEF 82912 F V1.4 Datasheet - Page 59

• Manufacturer Part Number: PEF 82912 F V1.4
• Description: IC MODULAR ISDN NT INTELL TQFP64
• Manufacturer: Infineon Technologies
• Series: Q-SMINT®r

Specifications of PEF 82912 F V1.4

• Function: Second Generation Modular
• Interface: ISDN
• Mounting Type: Surface Mount
• Package / Case: 64-LFTQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Supply: -
• Power (watts): -
• Operating Temperature: -
• Number Of Circuits: -
• Other names: PEF82912FV1.4XT; PEF82912FV14XP; SP000007558; SP000007559

3.3
3.3.1
The following blocking circuitry is suggested.
•
Figure 25
3.3.2
The Q-SMINT
recommended external circuitry. The recommended protection circuitry is not displayed.
Note: The integrated hybrid as specified for Version 1.1 is no more available in Version
Data Sheet
VDDa_UR
VDDa_UX
VDDa_SR
VDDa_SX
VSSa_UR
VSSa_SX
VSSa_SR
VSSa_UX
1.3 and an external hybrid is required.
VDDD
VDDD
VSSD
VSSD
External Circuitry
Power Supply Blocking Recommendation
U-Transceiver

Power Supply Blocking
O is connected to the twisted pair via a transformer.
1)
These capacitors should be located as near to the pins as possible
100nF
1)
100nF
1)
100nF
1)
51
100nF
1)
100nF
1)
Operational Description
100nF
Figure 26
PEF 80912/80913
1)
GND
3.3V
1µF
blocking_caps_Smint.vsd
2001-03-29
shows the