參數(shù)資料
型號(hào): MT89L85AP
廠商: Mitel Networks Corporation
英文描述: CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
中文描述: 意法半導(dǎo)體的CMOS總線⑩家庭增強(qiáng)型數(shù)字交換機(jī)
文件頁(yè)數(shù): 16/20頁(yè)
文件大小: 134K
代理商: MT89L85AP
MT89L85
Advance Information
16
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
- Serial Streams for ST-BUS and GCI Backplanes
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
O
U
T
P
U
T
S
STo0/7 Delay - Active to High Z
t
SAZ
55
ns
R
L
=1 K
*
, C
L
=150 pF
C
L
=150 pF
R
L
=1 K
*
, C
L
=150 pF
C
L
=150 pF
2
STo0/7 Delay - High Z to Active
t
SZA
55
ns
3
Output Driver Enable Delay
t
OED
50
ns
4
CSTo Output Delay
t
XCD
55
ns
Figure 14 - Serial Outputs and External Control
C4i
V
HM
V
LM
STo0
to
STo7
V
HM
V
LM
STo0
to
STo7
V
HM
V
LM
CSTo
V
HM
V
LM
Bit Cell Boundary
(GCI)
(ST-BUS)
*
t
SAZ
t
SZA
t
XCD
*
Figure 15 - Output Driver Enable
ODE
STo0
to
STo7
V
HM
V
LM
V
HM
V
LM
t
OED
*
*
t
OED
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