參數(shù)資料
型號: PEB2445
廠商: SIEMENS AG
英文描述: Multipoint Switching and Conferencing Unit - Attenuation MUSAC-A
中文描述: 多點交換和會議組-衰減MUSAC -阿
文件頁數(shù): 59/70頁
文件大?。?/td> 1236K
代理商: PEB2445
PEB 2445
Electrical Characteristics
Semiconductor Group
59
02.96
Table 18
Microprocessor Interface Timing
5.3.2
PCM Interface Timing
Table 19
PCM Interface Timing
Parameter
Symbol
Limit Values
min.
50
20
10
0
10
20
15
110
70
60
35
20
70
Unit
Test
Condition
max.
110
25
ALE pulse width
Address setup time to ALE
Address hold time from ALE
Address latch setup time to WR, RD
Address setup time to WR, RD
Address hold time from WR, RD
ALE pulse delay
RD pulse width
Data output delay from RD
Data float from RD
RD control interval
WR pulse width
Data setup time to WR + CS
Data hold time from WR + CS
WR control interval
t
AA
t
AL
t
LA
t
ALS
t
AS
t
AH
t
AD
t
RR
t
RD
t
DF
t
RI
t
WW
t
DW
t
WD
t
WI
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Symbol
Limit Values
min.
15
30
Unit
max.
45
66
PCM input setup
PCM input hold
Output Delay
Tristate Delay
t
S
t
H
t
D
t
T
ns
ns
ns
ns
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