PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 20

• 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

2
2.1
Figure 6
Data Sheet
CLK32SEL
MODE0
PORES
VSS
SYNCO
SCLKO
VDD
CTRL32
VDD
CLK32
SCLKI
VDD
NC
NC
MODE1
VDD
CLK4O
SDECO
VSS
VDD
VSS
SDECI
SYNCI
UCCI
VSS
UCCO
TUCCO
VDD
VSS
KSCEN
TEST
VDD
VSS
TDO
Pin Description
Pin Diagram
Pin Configuration P-TQFP-144-8
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
144
1
TQFP 144
20
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
Pin diagram TQFP-144
Rev. 2, 2004-07-28
Pin Description
PEB 20954
PEF 20954
RD/DS
ALE
VSS
VDD
AD0
AD1
AD2
AD3
VSS
VSS
NC
CS0
CS1
VSS
VDD
INT
UPRES
UPRES
RDY
VDD
AD4
AD5
AD6
AD7
VSS
VDD
A0
A1
A2
VDD
A4
A5
A6
NC
WR/RW
A3