參數(shù)資料
型號(hào): MT90812
廠商: Mitel Networks Corporation
英文描述: Integrated Digital Switch (IDX)(集成數(shù)字開關(guān))
中文描述: 綜合數(shù)字交換機(jī)(IDX的)(集成數(shù)字開關(guān))
文件頁數(shù): 100/105頁
文件大?。?/td> 334K
代理商: MT90812
MT90812
Advance Information
96
See "Notes" following AC Electrical Characteristics tables.
Figure 48 - Intel/National Multiplexed Bus Timing
AC Electrical Characteristics - Intel/National - HPC Multiplexed Bus Mode
Characteristics
Sym
Min
Max
Unit
Test Conditions
1
ALE pulse width
t
ALW
20
ns
2
Address setup from ALE falling
t
ADS
5
ns
3
Address hold from ALE falling
t
ADH
10
ns
4
RD active after ALE falling
t
ALRD
10
ns
5
Data setup from DTA Low on Read
t
DDR
5
ns
5
6
CS hold after RD/WR
t
CSRW
0
ns
7
CS setup from RD
t
CSR
0
ns
8
Data hold after RD
t
DHR
5
30
ns
3, 4
9
WR delay after ALE falling
t
ALWR
10
ns
10
CS setup from WR
t
CSW
0
ns
11
Valid Data Delay on write
t
SWD
0
ns
12
Data hold after write
t
DHW
10
ns
11
Acknowledgment Delay:
Register
Data Memory or Connect Memory
Data Memory A6=1
DBR, DBT and FSK FIFO Read
DBR, DBT and FSK FIFO Write
t
AKD
95
135
200 + 1/2 C8P
2xC8p + 95
1.5xC8p + 85
ns
ns
ns
ns
ns
5
5
5,7
5
5
14
Acknowledgment Hold Time
t
AKH
15
ns
3, 4
ALE
AD0-7
CS
RD
WR
DTA
ADDRESS
DATA
t
ALW
t
ADS
t
ADH
t
ALRD
t
CSR
t
CSW
t
ALWR
t
SWD
t
AKD
t
DDR
t
AKH
t
CSRW
t
DHW
t
DHR
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
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