PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 218

• 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

Figure 69 shows the relationship between the PFS, PDC, RCL and DCL signals in the
different CFI modes.
Figure 69
Clock Signal Timing for the Different Prescaler Divisors if CMD1:CSS = 0
Semiconductor Group
PFS
PFS
PDC
RCL
RCL
DCL
DCL
DCL
RCL
RCL
DCL
DCL
DCL
RCL
RCL
DCL
DCL
DCL
218
Conditions:
CMD1
CMD1 : CSM = 0
CFI Modes
CFI Mode 2
CFI Mode
CFI Modes 1 and 2
CFI Mode 0,
CFI Mode
CFI Mode 3,
CFI Modes 1 and 3
CFI Mode
CFI Mode 0,
CFI Modes
CFI Mode
CFI Mode 3,
CFI Mode
CFI Modes
CFI Mode 2
CFI Mode
CFI Modes 1 and 2
CFI Mode 0,
CFI Mode
CFI Mode 3,
:
CSM
0,
3,
2
0,
3,
0,
3,
0,1 and 3
0,
1 and 2
0,1 and 3
CMD2
CMD2 : COC = 0
CMD2
CMD2 : COC = 0
CMD2 : COC = 1
CMD2
CMD2 : COC = 1
CMD2
CMD2
CMD2 : COC = 0
CMD2
CMD2 : COC = 0
Application Hints
=
1
/
/
PMOD : PSM = 1
PMOD
:
:
:
:
:
:
COC
COC
COC
COC
COC
COC
PEB 20550
PEF 20550
ITT08048
:
PSM
=
=
=
=
=
=
1
1
0
0
1
1
=
0
01.96