PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 152

• 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.
1
2
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9
10a
10b
11a
11b
Data Sheet
Parameter
Address setup before ALE falling edge
Address hold after ALE falling edge
ALE falling edge before CS active if RD
asserted
ALE falling edge before RD active if CS
asserted
AD output after CS active if RD asserted
AD output after RD active if CS asserted
Read data valid after CS active if RD
asserted
Read data valid after RD active if CS
asserted
ALE rising edge after CS active if RD
asserted
ALE rising edge after CS active if RD
asserted
Read data hold after CS inactive if RD
asserted
Read data hold after RD inactive if CS
asserted
AD tristate after CS inactive if RD asserted
AD tristate after RD inactive if CS asserted
RDY asserted after read data valid
RDY tristate after CS inactive if RD, WR or
DS asserted
RDY tristate after RD, WR or DS inactive if
CS asserted
ALE falling edge before CS rising edge if WR
asserted
ALE falling edge before WR rising edge if CS
asserted
Prliminary Microprocessor Interface Timing Values
152
min.
15
10
0
0
30
30
30
30
100
100
0
0
0
0
15
0
0
25
25
Limit Values
Electrical Characteristics
max.
90
90
50
20
20
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
ns