PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 155

• 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.
29b
30a
30b
31a
31b
32a
32b
33a
33b
34a
34b
35a
35b
Data Sheet
Parameter
Write data setup before DS rising edge if CS
asserted and RW = '0'
Write data hold after CS rising edge if DS
asserted and RW = '0'
Write data hold after DS rising edge if CS
asserted and RW = '0'
CS rising edge before ALE falling edge if DS
asserted and RW = '0'
DS rising edge before ALE falling edge if CS
asserted and RW = '0'
Address valid before CS active if DS
asserted and RW = '1'
Address valid before DS active if CS
asserted and RW = '1'
Address hold after CS active if DS asserted
and RW='1'
Address hold after DS active if CS asserted
and RW='1'
Address setup before CS rising edge if DS
asserted and RW = '0'
Address setup before DS rising edge if CS
asserted and RW = '0'
Address hold after CS rising edge if DS
asserted and RW = '0'
Address hold after DS rising edge if CS
asserted and RW = '0'
Prliminary Microprocessor Interface Timing Values (cont’d)
155
min.
20
20
20
20
20
0
0
100
100
25
25
20
20
Limit Values
Electrical Characteristics
max.
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns