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80386DX
32-Bit Microprocessor
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145
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144
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104
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Logic Diagram
Memory
FEATURES:
* 32-Bit microprocessor * RAD-PAK(R) radiation-hardened against natural space radiation * 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(R) 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 architecture includes address translation registers, multitasking hardware and a protection mechanism to support operating systems. The 80386DX allows simultaneous running of multiple operations. In addition, the 80386DX is capable of execution 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(R) packaging technology incorporates radiation shielding in the microcircuit package. 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.
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All data sheets are subject to change without notice
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(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 1. 80386DX PIN DESCRIPTION
PIN 1-7, 9, 10, 12, 13, 16, 17, 20, 21, 24, 146-149, 152-154, 156159, 161-163 8, 18, 19, 22, 23, 25, 28-30, 33, 36, 38-40, 47, 48, 65, 66, 68, 73, 76, 77, 82, 84, 86, 88, 103, 106, 107, 114, 125, 126, 129, 130,133, 134, 145, 155, 160, 164 11, 15, 27, 32, 35, 43, 51, 53, 55, 57, 61, 70, 92, 95, 100, 111, 118, 122, 138, 142, 151 14, 26, 31, 34, 44, 50, 52, 54, 56, 58, 62, 69, 91, 96, 99, 110, 117, 137, 141, 150, 37 41 42 45 46 49 59 60 63 64 67, 71, 72, 74 78 75 79 80 81 83 85, 87, 89, 90, 93, 94, 97, 98, 102, 104, 105, 108, 109, 112, 113, 115, 116, 119, 120, 121, 123, 124, 127, 128, 131, 132, 135, 136, 139, 140, 143, 144, 101 SYMBOL A16-A11, A9, A10, A7, A8, A5, A6, Address Bus A3, A4, A2, A31-A28, A27-A25, A23-A22, A20-A18 NC Not Connected DESCRIPTION
80386DX
VSS
Ground
VCC
Power Supply
Memory
INTR NMI PEREQ ERROR RESET BUSY LOCK W/R M/IO D/C BE2, BE0, BE3, BE1 BS16 NA HOLD CLK2 ADS READY
Interupt Request Non-Maskable Interupt Request Processor Extension Request Error Status Reset Busy Status Bus Lock Write/ Read Memory I/O Data Control Byte Enables Bus Size 16 Next Address Bus Hold Request CPU Clock 2 Address Staus Bus Ready Input
D1, D2, D4, D0, D6, D3, D8, D5, D7, Data Bus D10, D9, D12, D11, D14, D13, D15, D16, D18, D17, D20, D22, D19, D24, D21, D25,D23, D27, D26, D29, D28, D31, D30, HLDA Bus Hold Acknowledge
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 2. 80386DX ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage with Respect to Ground Voltage on other pins Thermal Impedance Operating Temperature Range (Ambient) Storage Temperature Range (Ambient) SYMBOL VSS MIN -0.5 -0.5 --55 -65
80386DX
MAX 6.5 VCC +0.5 1.79 125 150 UNIT V V C/W C C
JC
TA TS
TABLE 3. DELTA LIMITS
PARAMETER ICC ILI ILO VARIATION 10% of specified value in Table 4 10% of specified value in Table 4 10% of specified value in Table 4
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TABLE 4. 80386DX RECOMMENDED OPERATING CONDITIONS
PARAMETER Digital Supply Voltage Input Low Voltage Input High Voltage CLK2 Input Low Voltage CLK2 Input High Voltage Operating Temperature Range SYMBOL VCC VIL VIH VILC VIHC TA MIN 4.75 -2.0 -VCC - 0.8 -55 MAX 5.25 0.8 -0.8 -+125 UNIT V V V V V C
TABLE 5. 80386DX DC ELECTRICAL CHARACTERISTICS
(VCC = +5V 5%; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER Input Leakage Current Output Leakage Current Output Low Voltage Output High Voltage SYMBOL ILI ILO VOL VOH CONDITION All pins except BS16, PEREQ, BUSY, and ERROR 0V < VIN < VCC 0.45V < VOUT < VCC IOL = 4 mA: A2 - A31, D0 - D31 IOL = 5 mA: BE0 - BE3, W/R, D/C, M/IO, LOCK, ADS, HLDA IOH = 1 mA: A2 - A31, D0 - D31 IOH = 0.9 mA: BE0 - BE3, W/R, D/C, M/IO, LOCK, ADS, HLDA MIN -15 -15 --2.4 2.4 MAX +15 +15 0.45 0.45 --V UNIT A A V
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 5. 80386DX DC ELECTRICAL CHARACTERISTICS
(VCC = +5V 5%; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER Power Supply Current SYMBOL ICC CONDITION CLK2 = 32 MHz with 16 MHz Processor CLK2 = 32 MHz with 20 MHz Processor CLK2 = 32 MHz with 25 MHz Processor Input Leakage Current CLK2 Capacitance3 IIH IIL CCLK CIN COUT Input or I/O Capacitance1 Output Capacitance1 PEREQ Pin1 BS16, BUSY, ERROR FC = 1 MHz FC = 1 MHz FC = 1 MHz Pins2 MIN ---------
80386DX
MAX 460 550 680 200 -400 20 20 25 A A pF pF pF UNIT mA
1. VIH = 2.4V. PEREQ input has an internal pulldown resistor. 2. VIL = 0.45V. BS16, BUSY and ERROR inputs have an internal pulldown resistor. 3. Guaranteed by design.
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TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(VCC = +5V 10%; VPP = VSS; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER Operating Frequency -16 -20 -25 CLK2 Period -16 -20 -25 CLK2 High Time -16 -20 -25 CLK2 High Time1 -16 -20 -25 CLK2 Low Time -16 -20 -25 CLK2 Low Time1 -16 -20 -25
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SYMBOL --
CONDITION Half of CLK2 Frequency
MIN 4 4 4
MAX 16 20 25
UNIT MHz
t1 31 25 20 t2a at 2V 9 8 7 t2b at (VCC - 0.8V) 5 5 4 t3a at 2V 9 8 7 t3b at (VCC - 0.8V) 7 6 5
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ns 125 125 125 ns ---ns ---ns ---ns ----
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(VCC = +5V 10%; VPP = VSS; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER CLK2 Fall Time1 -16 -20 -25 CLK2 Rise Time1 -16 -20 -25 A2 - A31 Valid Delay -16 -20 -25 A2 - A31 Float Delay1, 2 -16 -20 -25 BE0 - BE3, LOCK Valid Delay -16 -20 -25 BE0 - BE3, LOCK Float Delay1, 2 -16 -20 -25 W/R, M/IO, D/C and ADS Valid Delay -16 -20 -25 W/R, M/IO, D/C and ADS Float Delay1, 2 -16 -20 -25 D0 - D31 Valid Delay -16 -20 -25 D0 - D31 Float Delay1, 2 -16 -20 -25 HLDA Valid Delay -16 -20 -25
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80386DX
SYMBOL t4 CONDITION (VCC - 0.8V) to 0.8V ---t5 0.8V to (VCC - 0.8V) ---t6 CL = 120pF (CL = 50pF for 25 MHz) 4 4 4 t7 4 4 4 t8 CL = 75pF (CL = 50pF for 25 MHz) 4 4 4 t9 4 4 4 t10 CL = 75pF (CL = 50pF for 25 MHz) 6 6 4 t11 6 6 4 t12 CL = 120pF (CL = 50pF for 25 MHz) 4 4 7 t13 4 4 4 t14 CL = 75pF (CL = 50pF for 25 MHz) 6 6 4
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MIN
MAX 8 8 7
UNIT ns
ns 8 8 7 ns 36 30 21 ns 40 32 30 ns 36 30 24 ns 40 32 30 ns 33 28 21 ns 35 30 30 ns 48 38 27 ns 35 27 22 ns 323 28 22
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All data sheets are subject to change without notice
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(VCC = +5V 10%; VPP = VSS; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER N/A Setup Time -16 -20 -25 N/A Hold Time -16 -20 -25 BS16 Setup Time -16 -20 -25 BS16 Hold Time -16 -20 -25 READY Setup Time -16 -20 -25 READY Hold Time -16 -20 -25 D0 - D31 Read Setup Delay -16 -20 -25 D0 - D31 Read Hold Delay -16 -20 -25 HOLD Setup Time -16 -20 -25 HOLD Hold Time -16 -20 -25 RESET Setup Time -16 -20 -25
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80386DX
SYMBOL t15 11 9 7 t16 14 14 3 t17 13 13 7 t18 21 21 3 t19 21 12 9 t20 4 4 4 t21 11 11 6 t22 6 6 5 t23 26 17 15 t24 5 5 3 t25 10 10 10
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CONDITION
MIN
MAX ----
UNIT ns
ns ---ns ---ns ---ns ---ns ---ns ---ns ---ns ---ns ---ns ----
Memory
All data sheets are subject to change without notice
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
TABLE 6. 80386DX AC ELECTRICAL CHARACTERISTICS
(VCC = +5V 10%; VPP = VSS; TA = -55C TO +125C, UNLESS OTHERWISE SPECIFIED) PARAMETER RESET Hold Time -16 -20 -25 NMI, INTR Setup Time3 -16 -20 -25 NMI, INTR Hold Time3 -16 -20 -25 REREQ, ERROR, BUSY Setup Time3 -16 -20 -25 REREQ, ERROR, BUSY Hold Time3 -16 -20 -25 1. Guaranteed by design. 2. Float condition occurs when maximum when output current becomes less than ILO in magnitude. SYMBOL t26 4 4 3 t27 16 16 6 t28 16 16 6 t29 16 14 6 t30 5 5 5 CONDITION MIN
80386DX
MAX ---ns ---ns ---ns ---ns ---UNIT ns
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3. These inputs are allowed to be asynchronous to CLK2. The setup and hold specifications are given for testing purposes, to assure recognition within a specific CLK2 period.
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
FIGURE 1. AC TEST LOADS
80386DX
FIGURE 2. CLK2 TIMING
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1000557
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
FIGURE 3. INPUT SETUP AND HOLD TIME
Memory
1000557
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
FIGURE 4. OUTPUT VALID DELAY TIMING
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FIGURE 5. WRITE DATA VALID DELAY TIMING (25 MHZ)
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
FIGURE 6. WRITE DATA HOLD TIMING (25 MHZ)
Memory
FIGURE 7. WRITE DATA VALID DELAY TIMING (20 MHZ)
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
FIGURE 8. TYPICAL OUTPUT VALID DELAY VERSUS LOAD CAPACITANCE AT MAXIMUM OPERATING TEMPERATURE (CL = 120 PF)
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FIGURE 9. TYPICAL OUTPUT VALID DELAY VERSUS LOAD CAPACITANCE AT MAXIMUM OPERATING TEMPERATURE (CL = 75 PF)
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All data sheets are subject to change without notice
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
FIGURE 10. TYPICAL OUTPUT VALID DELAY VERSUS LOAD CAPACITANCE AT MAXIMUM OPERATING TEMPERATURE (CL = 50 PF)
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FIGURE 11. TYPICAL OUTPUT RISE TIME VERSUS LOAD CAPACITANCE AT MAXIMUM OPERATING TEMPERATURE
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
FIGURE 12. OUTPUT FLOAT DELAY AND HLDA AND DELAY TIMING
80386DX
Memory
FIGURE 13. RESET SETUP AND HOLD TIMING, AND INTERNAL PHASE
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
80386DX
Memory
164-PIN RAD-PAK(R) QUAD FLAT PACKAGE
SYMBOL MIN A b c D D1 e S1 F1 F4 L L1 L2 A1 N 0.013 0.890 0.880 2.500 2.485 1.690 0.078 0.118 0.007 0.004 1.138 DIMENSION NOM 0.132 0.008 0.006 1.150 1.000 BSC 0.025 BSC 0.071 0.895 0.890 2.520 2.500 1.700 0.090 164 -0.900 0.899 2.540 2.505 1.710 0.102 MAX 0.146 0.013 0.009 1.167
Q164-01 Note: All dimensions in inches
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
Important Notice:
80386DX
These data sheets are created using the chip manufacturer's published specifications. Maxwell Technologies verifies functionality by testing key parameters either by 100% testing, sample testing or characterization. The specifications presented within these data sheets represent the latest and most accurate information available to date. However, these specifications are subject to change without notice and Maxwell Technologies assumes no responsibility for the use of this information. Maxwell Technologies' products are not authorized for use as critical components in life support devices or systems without express written approval from Maxwell Technologies. Any claim against Maxwell Technologies must be made within 90 days from the date of shipment from Maxwell Technologies. Maxwell Technologies' liability shall be limited to replacement of defective parts.
Memory
1000557
12.17.01 Rev1
All data sheets are subject to change without notice
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(c)2001 Maxwell Technologies All rights reserved.
32-Bit Microprocessor
Product Ordering Options
Model Number 80386DX RP Q X XX Feature
80386DX
Option Details
Processing Speed in MHz 16 20 25
Screening Flow
Monolithic S = Maxwell Class S B = Maxwell Class B E = Engineering (testing @ +25C) I = Industrial (testing @ -55C, +25C, +125C)
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Package
Q = Quad Flat Pack
Radiation Feature
RP = RAD-PAK(R) package
Base Product Nomenclature
32-Bit Microprocessor
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12.17.01 Rev1
All data sheets are subject to change without notice
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(c)2001 Maxwell Technologies All rights reserved.

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