參數(shù)資料
型號(hào): MT8986AE
廠商: Mitel Networks Corporation
英文描述: CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch
中文描述: 意法半導(dǎo)體的CMOS總線⑩家庭多速率數(shù)字開(kāi)關(guān)
文件頁(yè)數(shù): 41/46頁(yè)
文件大小: 765K
代理商: MT8986AE
MT8986
Data Sheet
41
Zarlink Semiconductor Inc.
Timing is over recommended temperature & power supply voltages .
Typical figures are at 25
C and are for design aid only: not guaranteed and not subject to production testing.
* High Impedance is measured by pulling to the appropriate rail with R
L
, with timing corrected to cancel time taken to discharge C
L
.
AC Electrical Characteristics
- Motorola Non-Multiplexed Bus Mode -
Voltages are with respect to ground (VSS) unless
otherwise stated.
Characteristics
Sym.
Min.
Typ.
Max.
Units
Test Conditions
1
CS Setup from DS rising
t
CSS
t
RWS
t
ADS
t
CSH
t
RWH
t
ADH
t
DDR
t
DHR
0
ns
2
3
R/W Setup from DS rising
Add setup from DS rising
30
5
ns
ns
4
5
6
CS hold after DS falling
R/W hold after DS falling
Add hold after DS falling
0
5
5
ns
ns
ns
7
8
Data setup from DTA Low on Read
Data hold on read
10
10
ns
ns
C
L
=150 pF
C
L
=150 pF,
R
L
=1 K
50
90
9
10 Valid Data Delay on write
(slow write)
11 Data hold on write
12 Acknowledgement Delay:
Data setup on write (fast write)
t
DSW
t
SWD
20
ns
ns
122
t
DHW
t
AKD
8
ns
Reading Data Memory
Reading/Writing Conn. Memories Writing
Control & Mode Regs.
Reading from Control & Mode Regs.
560
300/370
47
70
60
1220
730/800
95
155
110
ns
ns
ns
ns
ns
C
L
=150 pF
13 Acknowledgement Hold Time
t
AKH
10
C
L
=150 pF,
R
L
=1 K
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