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T-8503-EL2-DT Просмотр технического описания (PDF) - Agere -> LSI Corporation

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T-8503-EL2-DT Dual PCM codec with filters. Tape and reel. Agere
Agere -> LSI Corporation Agere
T-8503-EL2-DT Datasheet PDF : 16 Pages
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T8502 and T8503 Dual PCM Codecs with Filters
Data Sheet
July 1998
Timing Characteristics
Table 14. Clock Section (See Figures 5 and 6.)
Symbol
tMCHMCL1
tMCH1MCH2
tMCL2MCL1
Parameter
Clock Pulse Width
Clock Rise and
Fall Time
Test Conditions
Min
Typ
Max
Unit
97
ns
0
15
ns
Table 15. T8502 Transmit Section (See Figure 5.)
Symbol
Parameter
Test Conditions Min
tMCHDV Data Enabled on TS Entry 0 < CLOAD < 100 pF 0
tMCHDV1 Data Delay from MC
0 < CLOAD < 100 pF 0
tMCLDZ* Data Float on TS Exit
CLOAD = 0
10
tFSHMCL Frame-sync Hold Time
50
tMCLFSH Frame-sync High Setup
50
tFSLMCL Frame-sync Low Setup
50
tFSHFSL Frame-sync Pulse Width
0.1
* Timing parameter tMCLDZ is referenced to a high-impedance state.
Table 16. T8503 Transmit Section (See Figure 6.)
Symbol
Parameter
Test Conditions Min
tFSHDV Data Enabled on TS Entry 0 < CLOAD < 100 pF 0
tMCHDV1 Data Delay from FSX
0 < CLOAD < 100 pF 0
tMCHDZ* Data Float on TS Exit
CLOAD = 0
0
tFSHMCL Frame-sync Hold Time
50
tMCLFSH Frame-sync High Setup
50
tFSLMCL Frame-sync Low Setup
50
tFSHFSL Frame-sync Pulse Width
0.1
* Timing parameter tMCHDZ is referenced to a high-impedance state.
Table 17. T8502 and T8503 Receive Section (See Figures 5 and 6.)
Symbol
tDVMCL
tMCLDV
Parameter
Receive Data Setup
Receive Data Hold
Test Conditions
Min
30
15
Typ
Max
Unit
60
ns
60
ns
100
ns
ns
ns
ns
— 125 – tMCHMCH µs
Typ
Max
Unit
80
ns
60
ns
30
ns
ns
ns
ns
— 125 – tMCHMCH µs
Typ
Max
Unit
ns
ns
10
Lucent Technologies Inc.
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