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PDF 80386DX Data sheet ( Hoja de datos )

Número de pieza 80386DX
Descripción 32-Bit Microprocessor
Fabricantes Maxwell Technologies 
Logotipo Maxwell Technologies Logotipo



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No Preview Available ! 80386DX Hoja de datos, Descripción, Manual

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80386DX
32-Bit Microprocessor
62 104
63 103
Logic Diagram
FEATURES:
• 32-Bit microprocessor
• RAD-PAK® radiation-hardened against natural space radia-
tion
• Total dose hardness:
- >100 Krad (Si), dependent upon space mission
• Single event effect:
- SELTH = 37-60 MeV/mg/cm2
- SEUTH = 3.4 MeV/mg/cm2
- SEU Cross section 1E-3 cm2/bit
• Package:
- 164 Pin RAD-PAK® quad flat pack
• 8, 16, 32-Bit data types
• 8 general purpose 32-Bit registers
• Hardware debugging support
• Very large address space:
- 4 gigabyte physical
- 64 terabyte Virtual
- 4 gigabyte maximum segment size
• Integrated memory management unit
- Virtual memory support
- Four levels of protection
- Fully compatible with 80C286
• Optimized for system development
- Pipelined instructions
- On-chip caches support address translation
- 32 megabytes/sec bus bandwidth
DESCRIPTION:
Maxwell Technologies’ 80386DX high performance 32-bit
microprocessor features a geater than 100 krad (Si) total dose
tolerance, dependent upon space mission. It is designed for
very high performance and multitasking operating systems.
The integrated memory management and protection architec-
ture includes address translation registers, multitasking hard-
ware and a protection mechanism to support operating
systems. The 80386DX allows simultaneous running of multi-
ple operations. In addition, the 80386DX is capable of execu-
tion at sustained rates of between 3 and 4 million instructions
per second. It offers new testability and debugging features,
including a self-test and direct access to the page translation
cache.
Maxwell Technologies' patented RAD-PAK® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, RAD-PAK provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
1000557
12.17.01 Rev1
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
All data sheets are subject to change without notice 1
©2001 Maxwell Technologies
All rights reserved.

1 page




80386DX pdf
32-Bit Microprocessor
80386DX
TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(VCC = +5V ±10%; VPP = VSS; TA = -55°C TO +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
CONDITION
MIN
CLK2 Fall Time1
-16
-20
-25
t4 (VCC - 0.8V) to 0.8V
--
--
--
CLK2 Rise Time1
-16
-20
-25
t5 0.8V to (VCC - 0.8V)
--
--
--
A2 - A31 Valid Delay
-16
-20
-25
t6 CL = 120pF (CL = 50pF for 25 MHz)
4
4
4
A2 - A31 Float Delay1, 2
-16
-20
-25
t7
4
4
4
BE0 - BE3, LOCK Valid Delay
-16
-20
-25
BE0 - BE3, LOCK Float Delay1, 2
-16
-20
-25
t8 CL = 75pF (CL = 50pF for 25 MHz)
t9
4
4
4
4
4
4
W/R, M/IO, D/C and ADS Valid Delay
-16
-20
-25
t10 CL = 75pF (CL = 50pF for 25 MHz)
6
6
4
W/R, M/IO, D/C and ADS Float Delay1, 2
-16
-20
-25
t11
6
6
4
D0 - D31 Valid Delay
-16
-20
-25
D0 - D31 Float Delay1, 2
-16
-20
-25
t12 CL = 120pF (CL = 50pF for 25 MHz)
t13
4
4
7
4
4
4
HLDA Valid Delay
-16
-20
-25
t14 CL = 75pF (CL = 50pF for 25 MHz)
6
6
4
MAX
8
8
7
8
8
7
36
30
21
40
32
30
36
30
24
40
32
30
33
28
21
35
30
30
48
38
27
35
27
22
323
28
22
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1000557
12.17.01 Rev1
All data sheets are subject to change without notice 5
©2001 Maxwell Technologies
All rights reserved.

5 Page





80386DX arduino
32-Bit Microprocessor
80386DX
FIGURE 6. WRITE DATA HOLD TIMING (25 MHZ)
FIGURE 7. WRITE DATA VALID DELAY TIMING (20 MHZ)
1000557
12.17.01 Rev1
All data sheets are subject to change without notice 11
©2001 Maxwell Technologies
All rights reserved.

11 Page







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