PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 148

• 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

6.6.8.1
Figure 41
Figure 42
Data Sheet
a) Multiplexed Mode (IM1='0')
AD[7:0]
AD[7:0]
RDY
RDY
ALE
ALE
WR
RD
CS
CS
Intel Mode (IM0='0')
Read Timing in Multiplexed Intel Mode (IM0='0', IM1='0')
Write Timing in Multiplexed Intel Mode (IM0='0', IM1='0')
1
1
3a
3b
2
2
4a
15a
5a
4b
15b
5b
148
11a
11b
12b
12a
9
6a
6b
Write Timing in Multiplexed Intel Mode
Read Timing in Multiplexed Intel Mode
7b
13b
7a
13a
Electrical Characteristics
10b
10b
10a
10a
14a
14b
8a
8b
Rev. 2, 2004-07-28
PEB 20954
PEF 20954