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eroflex circuit t echnology ? multiplexer modules for the future ? scd8505 rev 1 1/25/00 features n radiation environment ? radiation 300k(si) total dose ? no latch-up or see to 120mev/cm 2 /mg n full military temperature range n low power consumption < 75mw, typical 50mw n 64 channels provided by four (4) hs-1840rh multiplexers n address bus (a 0-3 ) , and four enable lines afford flexible organization n output monitoring of hs-1840rh outputs to a fifth hs1840rh. controlled with c 0, c 1 address lines. n fast access time 1500ns n 35v input over voltage protection (power on or off) n break-before-make switching n high analog input impedance (power on or off) n dielectrically isolated device islands n no latch-up n same form / fit / function as act8504 but no input transorbs n packaging ? hermetic ceramic quad flat pack / non-hermetic cob ? 96 leads, 1.32"sq x .20"ht quad flat pack (preliminary) ? 96 leads, chip on board (cob) general description aeroflex?s act8505 is a radiation hardened, multi-chip 64 channel multiplexer mcm (multi-chip module) for use in space applications. the act8505 has been specifically designed to meet exposure to radiation environments. it is available in a 96 lead high temperature co-fired ceramic (htcc) quad flatpack (qfp) or as a plastic encapsulated chip-on-board (cob) flatpack. it is guaranteed operational from -55c to +125c. available screened in accordance with mil-prf-38534, the act8505 is ideal for demanding military and space applications. f i e i d c e r t a e r o f l e x l a b s i n c . iso 9001 circuit technology www.aeroflex.com act8505 radiation hardened advanced with mux output monitor function 64-channel analog multiplexer module
aeroflex circuit technology 2 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 a c t 8 5 0 5 6 4 c h a n n e l a n a l o g m u x b l o c k d i a g r a m c h 0 c h 1 5 ? ? ? e n 0 - 1 5 o u t p u t 0 - 1 5 1 6 + v c c - v e e v r e f g n d c h 1 6 c h 3 1 ? ? ? e n 1 6 - 3 1 o u t p u t 1 6 - 3 1 1 6 o u t p u t m o n i t o r m u x c h 3 2 c h 4 7 ? ? ? e n 3 2 - 4 7 1 6 c h 4 8 c h 6 3 ? ? ? e n 4 8 - 6 3 o u t p u t 4 8 - 6 3 1 6 a 0 a 1 a 2 a 3 c 0 c 1 m u x 4 m u x 3 m u x 2 o u t p u t m o n i t o r m u x 1 o u t p u t 3 2 - 4 7 e n 3 2 - 4 7
aeroflex circuit technology 3 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 organization and application the act8505 consists of four 16 channel muxes arranged as shown in the block diagram. the muxes channels 0-63 are controlled by address lines a 0 -a 3 . the mux output monitor is controlled by address lines c 0 , c 1 . note: it is recommended that all "nc or "no connect pin", be grounded. this eliminates or minimizes any esd or static buildup.
aeroflex circuit technology 4 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 absolute maximum ratings 1 / parameter range units case operating temperature range -55 to +125 c storage temperature range -55 to +150 c supply voltage +v c c (pin 44) -v e e (pin 46) v r e f (pin 48) +20 -20 +20 v v v digital input overvoltage v e n (pins 5, 6, 91, 92), v a (pins 93, 95, 1, 3), v c (pins 2, 4) < v r +4 > gnd -4 v v analog input over voltage v s 18 v notes: 1 / all measurements are made with respect to ground. notice: stresses above those listed under "absolute maximums rating" may cause permanent damage to the device. these are stress rating only; functional operation beyond the "operation conditions" is not recommended and extended exposure beyond the "operation conditions" may effect device reliability. recommended operating conditions symbol parameter typical units +v c c +15v power supply voltage +15.0 v -v e e -15v power supply voltage -15.0 v v r e f reference voltage +5.00 v v a l logic low level +0.8 v v a h logic high level +4.0 v dc electrical performance characteristics 1 / (tc = -55c to +125c, +v e e = +15v, -v e e = -15v, v r e f = +5.0v, unless otherwise specified) parameter symbol conditions min max units supply current i + v e n (0-63) = v a (0-3) a = v a (0-1) c = 0 .25 2.5 ma i - v e n (0-63) = v a (0-3) a = v a (0-1) c = 0 -2.5 -.25 ma +i s b y v e n (0-63) = 4v, v a (0-3) a = v a (0-1) c = 0 6 / 0.25 2.5 ma -i s b y v e n (0-63) = 4v, v a (0-3) a = v a (0-1) c = 0 6 / -2.5 0.25 ma address input current i a l (0-3) a v a = 0v 1 / -2 2 m a i a h (0-3) a v a = 4v 1 / -2 2 m a i a l (0-1) c v a = 0v 1 / -.5 .5 m a i a h (0-1) c v a = 4v 1 / -.5 .5 m a enable input current i e n l (0-15) v e n (0-15) = 0v -1 1 m a i e n h (0-15) v e n (0-15) = 4v -1 1 m a i e n l (16-31) v e n (16-31) = 0v -1 1 m a i e n h (16-31) v e n (16-31) = 4v -1 1 m a i e n l (32-47),(m u x m o n ) v e n (32-47) , v e n (m u x m o n ) = 0v -2 2 m a i e n h (32-47),(m u x m o n ) v e n (32-47) , v e n (m u x m o n ) = 4v -2 2 m a i e n l (48-63) v e n (48-63) = 0v -1 1 m a i e n h (48-63) v e n (48-63) = 4v -1 1 m a
aeroflex circuit technology 5 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 positive input leakage current ch0-ch63 +i s o f f o u t p u t ( a l l ) v i n = +10v, v e n = 4v, output and all unused mux inputs under test = -10v 2 /, 3 / -100 +100 na +i s o f f c u r r e n t ( a l l ) -100 +100 na negative input leakage current ch0-ch63 -i s o f f o u t p u t ( a l l ) v i n = -10v, v e n = 4v, output and all unused mux inputs under test = +10v 2 /, 3 / -100 +100 na -i s o f f c u r r e n t ( a l l ) -100 +100 na output leakage current outputs (pins 3,13, 23 & 33) mux monitor (pin 69) +i d o f f o u t p u t ( a l l ) v o u t = +10v, v e n = 4v, output and all unused mux inputs under test = -10v 3 /, 4 / -100 +100 na +i d o f f c u r r e n t ( a l l ) -100 +100 na output leakage current outputs (pins 3,13, 23 & 33) mux monitor (pin 69) -i d o f f o u t p u t ( a l l ) v o u t = -10v, v e n = 4v, output and all unused mux inputs under test = +10v 3 /, 4 / -100 +100 na -i d o f f c u r r e n t ( a l l ) -100 +100 na switch on resistance outputs (pins 25, 26, 68 & 70) r d s ( o n ) (0-63) a v i n = +15v, v e n = 0.8v, i o u t = -1ma 2 /, 3 /, 5 / 500 3000 w r d s ( o n ) (0-63) b v i n = +5v, v e n = 0.8v, i o u t = -1ma 2 /, 3 /, 5 / 500 3000 w r d s ( o n ) (0-63) c v i n = -5v, v e n = 0.8v, i o u t = +1ma 2 /, 3 /, 5 / 500 3000 w switch on resistance mux monitor only (pin 69) 6 / r d s ( o n ) (muxmon) - 500 3000 w notes: 1 / measure inputs sequentially. ground all unused inputs of the mux under test. va is the applied input voltage to the muxes? ad dress lines a(0-5). 2 / v i n is the applied input voltage to the muxes? input channel ch0-ch63. 3/ v e n is the applied input voltage to the muxes? enable line en(0-15), en(16-31), en(32-47) and en(48-63). 4 / v o u t is the applied input voltage to the muxes? output line output(1-15), output(16-31), output(32-47) and output(48-63). 5 / negative current is the current flowing out of each of the mux pins. positive current is the current flowing into each mux pi n. 6 / if not tested, shall be guaranteed to the specified limits. switching characteristics (tc = -55c to +125c, v d d = +15v, v e e = -15v, v r = +5.0v, unless otherwise specified) parameter symbol conditions min max units switching test mux (for mux output monitor, see note 6 /) t o n a r l = 10k w, c l = 50pf 10 1500 ns t o f f a r l = 10k w, c l = 50pf 10 2000 ns t o n en r l = 1k w, c l = 50pf 10 1500 ns t o f f en r l = 1k w, c l = 50pf 10 1000 ns dc electrical performance characteristics 1 / (con?t) (tc = -55c to +125c, +v e e = +15v, -v e e = -15v, v r e f = +5.0v, unless otherwise specified) parameter symbol conditions min max units
aeroflex circuit technology 6 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 truth table (ch0 ? ch15) a3 a2 a1 a0 en(0-15) "on" channel 1 / x x x x h none l l l l l ch0 l l l h l ch1 l l h l l ch2 l l h h l ch3 l h l l l ch4 l h l h l ch5 l h h l l ch6 l h h h l ch7 h l l l l ch8 h l l h l ch9 h l h l l ch10 h l h h l ch11 h h l l l ch12 h h l h l ch13 h h h l l ch14 h h h h l ch15 1 / between ch0-15 and output (0-15) truth table (ch16 ? ch31) a3 a2 a1 a0 en(16-31) "on" channel 1 / x x x x h none l l l l l ch16 l l l h l ch17 l l h l l ch18 l l h h l ch19 l h l l l ch20 l h l h l ch21 l h h l l ch22 l h h h l ch23 h l l l l ch24 h l l h l ch25 h l h l l ch26 h l h h l ch27 h h l l l ch28 h h l h l ch29 h h h l l ch30 h h h h l ch31 1 / between ch16-31 and output (16-31)
aeroflex circuit technology 7 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 truth table (ch32 ? ch47) a3 a2 a1 a0 en(32-47) "on" channel 1 / x x x x h none l l l l l ch32 l l l h l ch33 l l h l l ch34 l l h h l ch35 l h l l l ch36 l h l h l ch37 l h h l l ch38 l h h h l ch39 h l l l l ch40 h l l h l ch41 h l h l l ch42 h l h h l ch43 h h l l l ch44 h h l h l ch45 h h h l l ch46 h h h h l ch47 1 / between ch32-47 and output (32-47) truth table (ch48 ? ch63) a3 a2 a1 a0 en(47-63) "on" channel 1 / x x x x h none l l l l l ch48 l l l h l ch49 l l h l l ch50 l l h h l ch51 l h l l l ch52 l h l h l ch53 l h h l l ch54 l h h h l ch55 h l l l l ch56 h l l h l ch57 h l h l l ch58 h l h h l ch59 h h l l l ch60 h h l h l ch61 h h h l l ch62 h h h h l ch63 1 / between ch48-63 and output (48-63)
aeroflex circuit technology 8 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 truth table (mux output monitor) c1 c0 en(32-47) "on" channel x x h none l l l output channels 0-15 l h l output channels 16-31 h l l output channels 32-47 h h l output channels 48-63
aeroflex circuit technology 9 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 0.8v enable line 4v output t on en t off en definition of t o f f a t off a 0v output 0.8v 4v t on a definition of t o n a 0v 12v min output 0.8v 4v address lines definition of t o n e n and t o f f e n 0v address lines 50% 90% 10%
aeroflex circuit technology 10 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 lead numbers & functions act8505 ? 96 leads ceramic quad flat pack or cob pin # function pin # function pin # function 1 a 2 33 ch11 65 ch49 2 c 0 34 ch27 66 ch48 3 a 3 35 ch12 67 nc 4 c 1 36 ch28 68 output v(48-63) 5 en 0-15 37 ch13 69 mux output monitor 6 en 16-31 38 ch29 70 output v(32-47) 7 ch0 39 ch14 71 gnd 8 ch16 40 ch30 72 gnd 9 ch1 41 ch15 73 ch47 10 ch17 42 ch31 74 ch46 11 ch2 43 nc 75 ch45 12 ch18 44 +v c c 76 ch44 13 ch3 45 nc 77 ch43 14 ch19 46 -v e e 78 ch42 15 ch4 47 nc 79 ch41 16 ch20 48 v r e f 80 ch40 17 ch5 49 nc 81 ch39 18 ch21 50 case gnd 82 ch38 19 ch6 51 ch63 83 ch37 20 ch22 52 ch62 84 ch36 21 ch7 53 ch61 85 ch35 22 ch23 54 ch60 86 ch34 23 gnd 55 ch59 87 ch33 24 gnd 56 ch58 88 ch32 25 output v(0-15) 57 ch57 89 gnd 26 output v(16-31) 58 ch56 90 gnd 27 ch8 59 ch55 91 en 48-63 28 ch24 60 ch54 92 en 32-47 29 ch9 61 ch53 93 a 0 30 ch25 62 ch52 94 nc 31 ch10 63 ch51 95 a 1 32 ch26 64 ch50 96 nc note: it is recommended that all "nc or "no connect pin", be grounded. this eliminates or minimizes any esd or static buildup.
aeroflex circuit technology 11 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 1.320 sq pin 85 pin 12 pin 60 pin 37 pin 13 pin 36 pin 61 pin 84 pin 1 flat package outline max
aeroflex circuit technology 12 scd8505 rev 1 1/25/00 plainview ny (516) 694-6700 circuit technology aeroflex circuit technology 35 south service road plainview new york 11803 telephone: (516) 694-6700 fax: (516) 694-6715 toll free inquiries: (800) the-1553 specifications subject to change without notice www.aeroflex.com/act1.htm e-mail: sales-act@aeroflex.com ordering information model number screening desc smd # package act8505 military temperature, -55c to +125c, screened in accordance with mil-prf-38534 tbd quad flat pack ACT8505-COB - quad cob flat pack

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