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1 m e m o r y all data sheets are subject to change without notice (858) 503-3300 - fax: (858) 503-3301 - www.maxwell.com 32-bit microprocessor 80386dx ?2001 maxwell technologies all rights reserved. 12.17.01 rev1 1000557 f eatures : ? 32-bit microprocessor r ad -p ak ? radiation-hardened against natural space radia- tion total dose hardness: - >100 krad (si), dependent upon space mission single event effect: - sel th = 37-60 mev/mg/cm 2 - seu th = 3.4 mev/mg/cm 2 - seu cross section 1e-3 cm 2 /bit package: - 164 pin r ad -p ak ? 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 d escription : 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 r ad -p ak ? 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, r ad -p ak provides greater than 100 krad (si) radiation dose tolerance. this product is available with screening up to class s. logic diagram 22 144 145 21 62 63 103 104
m e m o r y 2 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 t able 1. 80386dx p in d escription p in s ymbol d escription 1-7, 9, 10, 12, 13, 16, 17, 20, 21, 24, 146-149, 152-154, 156- 159, 161-163 a16-a11, a9, a10, a7, a8, a5, a6, a3, a4, a2, a31-a28, a27-a25, a23-a22, a20-a18 address bus 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 nc not connected 11, 15, 27, 32, 35, 43, 51, 53, 55, 57, 61, 70, 92, 95, 100, 111, 118, 122, 138, 142, 151 v ss ground 14, 26, 31, 34, 44, 50, 52, 54, 56, 58, 62, 69, 91, 96, 99, 110, 117, 137, 141, 150, v cc power supply 37 intr interupt request 41 nmi non-maskable interupt request 42 pereq processor extension request 45 error error status 46 reset reset 49 busy busy status 59 lock bus lock 60 w/r write/ read 63 m/io memory i/o 64 d/c data control 67, 71, 72, 74 be2 , be0 , be3 , be1 byte enables 78 bs16 bus size 16 75 na next address 79 hold bus hold request 80 clk2 cpu clock 2 81 ads address staus 83 ready bus ready input 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, d1, d2, d4, d0, d6, d3, d8, d5, d7, d10, d9, d12, d11, d14, d13, d15, d16, d18, d17, d20, d22, d19, d24, d21, d25,d23, d27, d26, d29, d28, d31, d30, data bus 101 hlda bus hold acknowledge
m e m o r y 3 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 t able 2. 80386dx a bsolute m aximum r atings p arameter s ymbol m in m ax u nit supply voltage with respect to ground v ss -0.5 6.5 v voltage on other pins -0.5 v cc +0.5 v thermal impedance jc -- 1.79 c/w operating temperature range (ambient) t a -55 125 c storage temperature range (ambient) t s -65 150 c t able 3. d elta l i mits p arameter v ariation i cc 10% of specified value in table 4 i li 10% of specified value in table 4 i lo 10% of specified value in table 4 t able 4. 80386dx r ecommended o perating c onditions p arameter s ymbol m in m ax u nit digital supply voltage v cc 4.75 5.25 v input low voltage v il -- 0.8 v input high voltage v ih 2.0 -- v clk2 input low voltage v ilc -- 0.8 v clk2 input high voltage v ihc v cc - 0.8 -- v operating temperature range t a -55 +125 c t able 5. 80386dx dc e lectrical c haracteristics (v cc = +5v 5%; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit input leakage current i li all pins except bs16 , pereq, busy , and error 0v < v in < v cc -15 +15 a output leakage current i lo 0.45v < v out < v cc -15 +15 a output low voltage v ol i ol = 4 ma: a2 - a31, d0 - d31 -- 0.45 v i ol = 5 ma: be0 - be3 , w/r, d/c , m/io , lock , ads , hlda -- 0.45 output high voltage v oh i oh = 1 ma: a2 - a31, d0 - d31 2.4 -- v i oh = 0.9 ma: be0 - be3 , w/r, d/c , m/io , lock , ads , hlda 2.4 --
m e m o r y 4 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 power supply current i cc clk2 = 32 mhz with 16 mhz processor -- 460 ma clk2 = 32 mhz with 20 mhz processor -- 550 clk2 = 32 mhz with 25 mhz processor -- 680 input leakage current i ih pereq pin 1 -- 200 a i il bs16 , busy , error pins 2 -- -400 a clk2 capacitance 3 c clk f c = 1 mhz -- 20 pf input or i/o capacitance 1 c in f c = 1 mhz -- 20 pf output capacitance 1 c out f c = 1 mhz -- 25 pf 1. v ih = 2.4v. pereq input has an internal pulldown resistor. 2. v il = 0.45v. bs16 , busy and error inputs have an internal pulldown resistor. 3. guaranteed by design. t able 6. 80386dx ac e lectrical c haracteristics (v cc = +5v 10%; v pp = v ss ; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit operating frequency -16 -20 -25 -- half of clk2 frequency 4 4 4 16 20 25 mhz clk2 period -16 -20 -25 t 1 31 25 20 125 125 125 ns clk2 high time -16 -20 -25 t 2a at 2v 9 8 7 -- -- -- ns clk2 high time 1 -16 -20 -25 t 2b at (v cc - 0.8v) 5 5 4 -- -- -- ns clk2 low time -16 -20 -25 t 3a at 2v 9 8 7 -- -- -- ns clk2 low time 1 -16 -20 -25 t 3b at (v cc - 0.8v) 7 6 5 -- -- -- ns t able 5. 80386dx dc e lectrical c haracteristics (v cc = +5v 5%; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit
m e m o r y 5 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 clk2 fall time 1 -16 -20 -25 t 4 (v cc - 0.8v) to 0.8v -- -- -- 8 8 7 ns clk2 rise time 1 -16 -20 -25 t 5 0.8v to (v cc - 0.8v) -- -- -- 8 8 7 ns a2 - a31 valid delay -16 -20 -25 t 6 c l = 120pf (c l = 50pf for 25 mhz) 4 4 4 36 30 21 ns a2 - a31 float delay 1, 2 -16 -20 -25 t 7 4 4 4 40 32 30 ns be0 - be3 , lock valid delay -16 -20 -25 t 8 c l = 75pf (c l = 50pf for 25 mhz) 4 4 4 36 30 24 ns be0 - be3 , lock float delay 1, 2 -16 -20 -25 t 9 4 4 4 40 32 30 ns w/r , m/io , d/c and ads valid delay -16 -20 -25 t 10 c l = 75pf (c l = 50pf for 25 mhz) 6 6 4 33 28 21 ns w/r , m/io , d/c and ads float delay 1, 2 -16 -20 -25 t 11 6 6 4 35 30 30 ns d0 - d31 valid delay -16 -20 -25 t 12 c l = 120pf (c l = 50pf for 25 mhz) 4 4 7 48 38 27 ns d0 - d31 float delay 1, 2 -16 -20 -25 t 13 4 4 4 35 27 22 ns hlda valid delay -16 -20 -25 t 14 c l = 75pf (c l = 50pf for 25 mhz) 6 6 4 323 28 22 ns t able 6. 80386dx ac e lectrical c haracteristics (v cc = +5v 10%; v pp = v ss ; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit
m e m o r y 6 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 n/a setup time -16 -20 -25 t 15 11 9 7 -- -- -- ns n/a hold time -16 -20 -25 t 16 14 14 3 -- -- -- ns bs16 setup time -16 -20 -25 t 17 13 13 7 -- -- -- ns bs16 hold time -16 -20 -25 t 18 21 21 3 -- -- -- ns ready setup time -16 -20 -25 t 19 21 12 9 -- -- -- ns ready hold time -16 -20 -25 t 20 4 4 4 -- -- -- ns d0 - d31 read setup delay -16 -20 -25 t 21 11 11 6 -- -- -- ns d0 - d31 read hold delay -16 -20 -25 t 22 6 6 5 -- -- -- ns hold setup time -16 -20 -25 t 23 26 17 15 -- -- -- ns hold hold time -16 -20 -25 t 24 5 5 3 -- -- -- ns reset setup time -16 -20 -25 t 25 10 10 10 -- -- -- ns t able 6. 80386dx ac e lectrical c haracteristics (v cc = +5v 10%; v pp = v ss ; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit
m e m o r y 7 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 reset hold time -16 -20 -25 t 26 4 4 3 -- -- -- ns nmi, intr setup time 3 -16 -20 -25 t 27 16 16 6 -- -- -- ns nmi, intr hold time 3 -16 -20 -25 t 28 16 16 6 -- -- -- ns rereq, error , busy setup time 3 -16 -20 -25 t 29 16 14 6 -- -- -- ns rereq, error , busy hold time 3 -16 -20 -25 t 30 5 5 5 -- -- -- ns 1. guaranteed by design. 2. float condition occurs when maximum when output current becomes less than ilo in magnitude. 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. t able 6. 80386dx ac e lectrical c haracteristics (v cc = +5v 10%; v pp = v ss ; t a = -55c to +125c, unless otherwise specified ) p arameter s ymbol c ondition m in m ax u nit
m e m o r y 8 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 1. ac t est l oads f igure 2. clk2 t iming
m e m o r y 9 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 3. i nput s etup and h old t ime
m e m o r y 10 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 4. o utput v alid d elay t iming f igure 5. w rite d ata v alid d elay t iming (25 mh z )
m e m o r y 11 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 6. w rite d ata h old t iming (25 mh z ) f igure 7. w rite d ata v alid d elay t iming (20 mh z )
m e m o r y 12 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 8. t ypical o utput v alid d elay v ersus l oad c apacitance at m aximum o perating t emperature (c l = 120 p f) f igure 9. t ypical o utput v alid d elay v ersus l oad c apacitance at m aximum o perating t emperature (c l = 75 p f)
m e m o r y 13 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 10. t ypical o utput v alid d elay v ersus l oad c apacitance at m aximum o perating t emperature (c l = 50 p f) f igure 11. t ypical o utput r ise t ime v ersus l oad c apacitance at m aximum o perating t emperature
m e m o r y 14 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 f igure 12. o utput f loat d elay and hlda and d elay t iming f igure 13. r eset s etup and h old t iming , and i nternal p hase
m e m o r y 15 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 q164-01 note: all dimensions in inches 164-p in r ad -p ak ? q uad f lat p ackage s ymbol d imension m in n om m ax a 0.118 0.132 0.146 b 0.007 0.008 0.013 c 0.004 0.006 0.009 d 1.138 1.150 1.167 d1 1.000 bsc e 0.025 bsc s1 0.013 0.071 -- f1 0.890 0.895 0.900 f4 0.880 0.890 0.899 l 2.500 2.520 2.540 l1 2.485 2.500 2.505 l2 1.690 1.700 1.710 a1 0.078 0.090 0.102 n 164
m e m o r y 16 all data sheets are subject to change without notice ?2001 maxwell technologies all rights reserved. 32-bit microprocessor 80386dx 12.17.01 rev1 1000557 important notice: 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 tech- nologies. maxwell technologies? liability shall be limited to replacement of defective parts.

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