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參數(shù)資料
| 型號(hào)： | MT90820 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Large Digital Switch(大數(shù)字開關(guān)) |
| 中文描述： | 大型數(shù)字交換（大數(shù)字開關(guān)） |
| 文件頁(yè)數(shù)： | 27/33頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | MT90820 |
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CMOS
MT90820
27
Note:
1. High Impedance is measured by pulling to the appropriate rail with R
L
, with timing corrected to cancel time taken to discharge C
L
.
Figure 16 - Multiplexed Bus Timing (Mode 1)
AC Electrical Characteristics - Multiplexed Bus Timing (Mode 1)
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
2
3
4
5
6
7
8
9
ALE pulse width
Address setup from ALE falling
Address hold from ALE falling
RD active after ALE falling
Data setup from DTA Low on Read
CS hold after RD/WR
RD pulse width (fast read)
CS setup from RD
Data hold after RD
t
ALW
t
ADS
t
ADH
t
ALRD
t
DDR
t
CSRW
t
RW
t
CSR
t
DHR
20
10
10
10
10
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
L
=150pF
80
0
10
75
C
L
=150pF, R
L
=1K,
Note 1.
10
11
12
13
14
15
16
WR pulse width (fast write)
WR delay after ALE falling
CS setup from WR
Data setup from WR (fast write)
Valid Data Delay on write (slow write)
Data hold after WR inactive
Acknowledgment Delay:
Reading/Writing Registers
Reading/Writing Memory, @ 2Mb/s
@ 4Mb/s
@ 8Mb/s
Acknowledgment Hold Time
t
WW
t
ALWR
t
CSW
t
DSW
t
SWD
t
DHW
t
AKD
90
ns
ns
ns
ns
ns
ns
10
0
90
122
10
55/60
760/780
400/420
220/240
80
ns
ns
ns
ns
ns
C
L
=150pF
C
L
=150pF
C
L
=150pF
C
L
=150pF
C
L
=150pF, R
L
=1K,
Note 1.
17
t
AKH
45
V
TT
HiZ
ALE
AD0-AD7
D8-D15
CS
RD
WR
DTA
ADDRESS
DATA
t
ALW
t
ADS
t
ADH
t
ALRD
t
CSR
t
ALWR
t
SWD
t
AKD
t
DDR
t
AKH
t
CSRW
t
DHW
t
DSW
t
CSW
HiZ
HiZ
t
DHR
t
WW
t
RW
V
TT
V
TT
V
TT
V
TT
V
TT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90820AL | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 131.072MBPS 5V 100MQFP - Trays |
| MT90820AL1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 131.072MBPS 5V 100MQFP - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH 2048X2048 100MQFP 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH 2048X2048 100MQFP |
| MT90820AP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Large Digital Switch |
| MT90820AP1 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Large Digital Switch |
| MT90820APR | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 5V 84PLCC - Tape and Reel |
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