PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 19

• Manufacturer Part Number: PEF 20550 H V2.1
• Description: IC INTERFACE CTRLR PCM MQFP80
• Manufacturer: Infineon Technologies
• Series: ELIC®r

Specifications of PEF 20550 H V2.1

• Function: Line Card Controller
• Interface: ISDN, PCM
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 15mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-SQFP
• Includes: Change Detection, Power-Up Reset Generation
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Other names: PEF20550HV2.1XT; PEF20550HV21XP; SP000007794; SP000007795

EPIC
Pin No.
29
30
32
33
Pin Definitions and Functions (cont’d)
34
35
36
37
Semiconductor Group
®
-1 Interface
Symbol
DU0/SIP4
DU1/SIP5
DU2/SIP6
DU3/SIP7
DD0/SIP0
DD1/SIP1
DD2/SIP2
DD3/SIP3
Input (I)
Output (O)
I/IO (OD)
I/IO (OD)
I/IO (OD)
I/IO (OD)
O/IO (OD)
O/IO (OD)
O/IO (OD)
O/IO (OD)
Function
Data Upstream Input; IOM- or PCM-configuration.
Serial Interface Port, SLD-configuration.
Depending on the bit OMDR:COS these lines
have push pull or open drain characteristic.
For unassigned channels or when bit
OMDR:CSB is reset the pins are in the state
high impedance.
Data Downstream Output, IOM- or PCM-
configuration.
Serial Interface Port, SLD-configuration.
Depending on the bit OMDR:COS these lines
have push pull or open drain characteristic.
For unassigned channels or when bit
OMDR:CSB is reset the pins are in the state
high impedance.
19
PEB 20550
PEF 20550
Overview
01.96