參數(shù)資料
型號(hào): AM79C031
廠商: Electronic Theatre Controls, Inc.
英文描述: Advanced Subscriber Line Interface Circuit (ASLIC) Device
中文描述: 高級(jí)用戶線接口電路(ASLIC)設(shè)備
文件頁數(shù): 32/48頁
文件大?。?/td> 501K
代理商: AM79C031
32
Am79213/Am79C203/031 Data Sheet
Table 8. PCM Interface
No.
Symbol
Parameter
Min
Typ
Max
Units
Note
22
t
PCY
PCM clock period
0.122
7.8125
μs
2
23
t
PCH
PCM clock High pulse width
48
ns
24
t
PCL
PCM clock Low pulse width
48
ns
25
t
PCF
Fall time of clock
15
ns
26
t
PCR
Rise time of clock
15
ns
27
t
FSS
FS setup time
30
t
PCY
35
ns
28
t
FSH
FS hold time
0
ns
29
t
FCH
FS High pulse width
t
PCY
ns
30
t
TSD
Delay to TSC valid
5
80
ns
3
31
t
TSO
Delay to TSC off
5
80
ns
3, 4
32
t
DXD
PCM data output delay
5
80
ns
5
33
t
DXH
PCM data output hold time
5
80
ns
5
34
t
DXZ
PCM data output delay to High-Z
5
80
ns
5
35
t
DRS
PCM data input setup time
25
ns
36
t
DRH
PCM data input hold time
5
ns
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