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80387DXRPQE View Datasheet(PDF) - MAXWELL TECHNOLOGIES

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Description
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80387DXRPQE
Maxwell
MAXWELL TECHNOLOGIES Maxwell
80387DXRPQE Datasheet PDF : 17 Pages
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Math Coprocessor
80387DX
TABLE 6. 80387DX COMBINATIONS OF BUS INTERFACE AND EXECUTION SPEEDS
(VCC = 4.75V TO 5.25V; TA = -55 TO +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
UNIT
Bus INterface Unit
-16
-20
-25
MHz
16
--
20
--
25
--
Execution Unit
-16
-20
-25
MHz
16
--
20
--
25
--
TABLE 7. 80387DX TIMING REQUIREMENTS OF THE EXECUTION UNIT
(VCC = 4.75V TO 5.25V; TA = -55 TO +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
TEST CONDITION
MIN
MAX
UNIT
387CLK2 Period1
-16
-20
-25
t1
At 2V
ns
31
125
25
125
20
125
387CLK2 High Time
-16
-20
-25
t2a
At 2V
ns
9
--
8
--
7
--
387CLK2 High Time1
-16
-20
-25
t2b
At 3.7V
ns
5
--
5
--
4
--
387CLK2 Low Time
-16
-20
-25
t3a
At 2V
ns
9
--
8
--
7
--
387CLK2 Low Time1
-16
-20
-25
t3b
At 0.8V
ns
7
--
6
--
5
--
387CLK2 Fall Time1
-16
-20
-25
t4
At 3.7V to 0.8V
ns
--
8
--
8
--
7
387CLK2 Rise Time1
-16
-20
-25
1. Guaranteed By Design
t5
At 0.8V to 3.7V
ns
--
8
--
8
--
7
05.07.02 REV 1
All data sheets are subject to change without notice 4
©2002 Maxwell Technologies
All rights reserved.
 

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