PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 132

• 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
Note:
6.6.1
Figure 30
Table 39
No.
1
2
3
4
5
Data Sheet
if CLK32SEL='0'
if CLK32SEL='1'
verified by design/characterization only.
All timing parameters are no subject to production tests. These parameters are
SCLKO
SCLKO
CLK4O
CLK32
SDECI
CLK16
Name
t_clk32_low
t_clk32_high
t_sdeci_setup
t_sdeci_hold
t_sclko_delay_clk32 SCLKO output delay
SCLKI
Timing Diagrams
Clock Timing
Clock Timing
Clock Timing Characteristics (preliminary)
7
6
1
Synchronization of SCLKO
with falling edge of SDECI
Parameter
CLK32 low time
CLK32 high time
SDECI setup time
before CLK32Y
SDECI hold time after
CLK 32Y
after CLK32Y
2
6
3
4
3
132
7
4
min.
12
12
10
15
5
Limit Values
Electrical Characteristics
max.
30
5
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
Clock Timing
Unit
ns
ns
ns
ns
ns