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Компоненты Описание
80387DX Просмотр технического описания (PDF) - MAXWELL TECHNOLOGIES
Номер в каталоге
Компоненты Описание
производитель
80387DX
Math Coprocessor
MAXWELL TECHNOLOGIES
80387DX Datasheet PDF : 17 Pages
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Math Coprocessor
80387DX
T
ABLE
8. 80387DX T
IMING
R
EQUIREMENTS OF
T
HE
B
US
I
NTERFACE
U
NIT
(O
UTPUT
T
RIP
L
EVEL
= 1.5V)
(V
CC
= 4.75V
TO
5.25V; T
A
= -55
TO
+125°C,
UNLESS OTHERWISE SPECIFIED
)
P
ARAMETER
C
ONDITIONS
S
YMBOL
M
IN
M
AX
U
NIT
D31 - D0 Out Delay
-16
-20
-25
D31 - D0 Setup Time
D31 - D0 Hold Delay
D31 - D0 Float Time
-16
-20
-25
PEREQ, BUSY, ERROR,
READYO Float Time
1
-16
-20
-25
ADS, W/R Setup Time
-16
-20
-25
ADS, W/R Hold Time
-16
-20
-25
C
L
= 50 pF
C
L
= 50 pF
2
C
L
= 50 pF
1
t
8
ns
1
54
1
54
0
50
t
10
11
ns
t
11
11
ns
t
12
ns
6
33
6
27
5
24
t
13
ns
1
60
1
50
1
40
t
14
ns
26
--
21
--
16
--
t
15
ns
5
--
5
--
4
--
READY SetupTime
-16
-20
-25
t
16
ns
21
--
12
--
9
--
READY Hold Time
-16
-20
-25
t
17
ns
4
--
4
--
4
--
CMDO SetupTime
-16
-20
-25
t
16
ns
21
--
19
--
16
--
CMDO HoldTime
-16
-20
-25
t
17
ns
2
--
4
--
4
--
NPS1, NPS2 Setup Time
-16
-20
-25
t
16
ns
21
--
19
--
16
--
05.07.02 REV 1
All data sheets are subject to change without notice
6
©2002 Maxwell Technologies
All rights reserved.
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