PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 154

• Manufacturer Part Number: PEF 20954 HT V1.1
• Description: IC ECHO CANCELLER DGTL TQFP144
• Manufacturer: Infineon Technologies

Specifications of PEF 20954 HT V1.1

• Function: Smart Integrated Digital Echo Canceller (SIDEC)
• Interface: PCM, Serial, UCC
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 350mA
• Power (watts): 900mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 144-LFQFP
• Includes: Double Talk Detection
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: PEF20954HTV1.1; SP000007505

Table 46
No.
20b
21a
21b
22a
22b
23a
23b
24a
24b
25a
25b
26a
26b
27a
27b
28a
28b
29a
Data Sheet
Parameter
ALE falling edge before DS active if CS
asserted and RW = '1’
RW setup before CS active if DS asserted
RW setup before DS active if CS asserted
AD output after CS active if DS asserted and
RW = '1'
AD output after DS active if CS asserted and
RW = '1'
Read data valid after CS active if DS
asserted and RW = '1'
Read data valid after DS active if CS
asserted and RW = '1'
ALE rising edge after CS active if DS
asserted and RW='1'
ALE rising edge after DS active if CS
asserted and RW='1'
Read data hold after CS inactive if DS
asserted and RW = '1'
Read data hold after DS inactive if CS
asserted and RW = '1'
RW hold after CS inactive if DS asserted
RW hold after DS inactive if CS asserted
AD tristate after CS inactive if DS asserted
and RW = '1'
AD tristate after DS inactive if CS asserted
and RW = '1'
ALE falling edge before CS rising edge if DS
asserted and RW = '0'
ALE falling edge before DS rising edge if CS
asserted and RW = '0'
Write data setup before CS rising edge if DS
asserted and RW = '0'
Prliminary Microprocessor Interface Timing Values (cont’d)
154
min.
0
10
10
30
30
30
30
100
100
0
0
10
10
0
0
25
25
20
Limit Values
Electrical Characteristics
max.
90
90
90
90
25
25
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns