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eroflex circuit t echnology ? data bus modules for the future ? scdct2512 rev d 3/19/02 features ct2512 replaces ddc bus-65112 and bus-65117 ct2513 replaces ddc bus-65113 and bus-65118 ct2510 replaces ddc bus-65110 and bus-65120 ct2511 replaces ddc bus-65111 and bus-65121 functions as a complete remote terminal unit supports 13 mode codes, illegalization of codes allowed transfers data with dma type handshaking latched outputs for command word and word count 14 bit built-ln-test word register 4 error flag outputs advanced low power vlsi technology approved desc smd# 5962?87535 general description the ct2512 contains 2 transceivers, 2 encoder/decoders, bit processors and complete remote terminal (rt) logic. the device is constructed using aeroflex advanced vlsi custom chip and hybrid technology. it functions as a complete dual redundant mil-std-1553b rt unit supporting all 13 mode codes for dual redundant operation. the ct2512 is a pin-for-pin functional equivalent of the ddc bus-65112/117 and performs parallel data transfers with a dma type handshake. multiple error flag outputs and host access to many of the rt status word bits are just some of the features that make this part ideal for many rt applications. the unit has an operating range of -55c to + 125c. aeroflex is a mil-prf-38534 certified manufacturer. see "ordering information" (last sheet) for ct2513 / ct2510 / ct2511. figure 1 ? functional block diagram db0-db15 a0-a11 error flag timing flags status bits i/o interface mil-std-1553b protocol and bit processing logic encoder/ decoder encoder/ decoder dual transceiver data bus a data bus b circuit technology www.aeroflex.com ct2512 / ct2513 / ct2510 / ct2511 dual redundant remote terminal for mil-std-1553b 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
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 2 absolute maximum ratings parameter limits units power supply voltage (v cc ) (pins 18, 76) -0.3 to +18.0 volts power supply voltage (v ee ) (pins 38, 57) +0.3 to -18.0 volts power supply voltage (v ccl ) (pins 37, 58 / 51) -0.3 to +7.0 volts receiver differential input (pins 20, 59 / 74, 36) 20 (40vp-p) volts receiver input voltage (pins 20, 59 / 74, 36) 15 volts driver output current (pins 56, 17 / 39, 77) +200 ma transmission duty cycle at t c = 125c 100 % operating case temperature range (t c ) -55 to +125 c power and thermal data (single transceiver and logic section) parameter/conditions symbol min typ max units power supply voltage v cc v ee v ccl 14.25 -14.25 4.5 15 -15 5 15.75 -15.75 5.5 v v v thermal resistance, most critical device ? jc - 10 - c/w power dissipation of most critical (hottest) device during continuous transmission (100% duty cycle) 1 / p c - 700 - mw total supply current standby mode, or transmitting at less than 1% duty cycle (e.g. 20us of transmission every 2ms or longer interval) i cc i ee 2 / i ccl 2 / - - - 0 12 20 5 20 50 ma ma ma total supply current transmitting at 1mhz into a 35-ohm load at point a in figure 2 3 / i cc @ 25% i cc @ 100% - - 90 180 100 200 ma ma notes 1 / decreases linearly to zero at zero duty cycle. 2 / limit does not change with mode of operation or duty cycle. 3 / decreases linearly to applicable "standby" values at zero duty cycle.
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 3 electrical characteristics (receiver section) parameter/conditions symbol min typ max units differential input impedance dc to 1mhz z in 9k - - v differential voltage range v dir 20v - - vpeak input common mode voltage range v icr 10v - - vpeak common mode rejection ratio (from point a, figure 1) cmmr 40 - - db threshold characteristics (sine wave at 1mhz) note: threshold voltages refer to point a, figure 2. v th 0.8 - 1.1 vp-p electrical characteristics (transmitter section) parameter/conditions symbol min typ max units differential output level at point b, figure 1 (145 ohm load) v o 26 28 35 vp-p rise and fall times (10% to 90% of p-p output) t r 100 160 300 ns output offset at point a in figure 2 (35-ohm load) 2.5us after mid-bit crossing of parity bit of last word of a 660us message v os - 20 90 mv vpeak differential output noise v noi - - 10 mv pp
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 4 logic characteristics symbol parameter min typ max units conditions v ih input "1" 2.4 - - vdc v il input "0" - - 0.7 vdc i il input l -100 - -650 a note 1a i ih input l - - -650 a note 1b i il input l -20 - +20 a note 2a i ih input l -20 - +20 a note 1b v oh output "1" 2.7 - - vdc note 3a/4a v ol output "0" - - 0.4 vdc note 3b/4b note 1: for input pins 12,13,14,15, 53, 54, 55. v cc = 5.5v a. @ v il = 0.4v b. @ v ih = 2.4v note 2: all remaining inputs other than in note 1. vcc = 5.5v a. @ v il = 0.4v b. @ v ih = 2.4v note 3: for output pins 4 through 11 and 43 through 50. a. @ v cc = 4.5v and i oh = 3ma b. @ v cc = 2.4v and i ol = 6ma note 4: all remaining outputs other than in note 3. a. @ v cc = 4.5v and i oh = 2ma b. @ v cc = 5.5v and i ol = 4ma
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 5 taps at n1:n3 for stub coupling (see table) ct } figure 2 ? typical direct coupled configuration b a for direct coupling 55 ? 55 ? (n1 : n2) (see table) tu r n s r a t i o c t 2 51 2 n1:n2 1.4:1 n1:n3 2:1 technitrol part # t-1553-2 ct2512 ch a/b ch a/b gnd tx data tx data
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 6 figure 3 ? timing diagram, transmit one word nbgt incmd dtreq dtgrt dtack staten a5 (d/c ) dtstb a11 (t/r ) r/w a6 - a10 a0 - a4 db0 - db4 buffena tristate command word illcmd strobed in 3 s (status bits strobed in) (srq,busy,ssflag,rdbc,rtflag) tristate tristate word count status word data word from subsystem address = 00h address = 01h sub address previous state 4.5 s 1 s 160n s 250n s max 2.5 s max 4.5 0.5s 11s .75s 16 s max 250n s max data word from subsystem strobed in don?t care 5 s 0.5s status sync 15 14 13 0 p data sync 15 14 13 0 p command sync 15 14 13 1 0 p
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 7 9.5 s 0.75 s nbgt incmd dtreq dtgrt dtack staten a5 (d/c ) dtstb a11 (t/r ) r/w a6 - a10 a0 - a4 db0 - db15 buffena tristate command word illcmd strobed in 3 s (status bits strobed in) (srq,busy,ssflag,rdbc,rtflag) tristate tristate word count status word receive data word address = 00h address = 01h sub address previous state 1s 160n s 250n s max 2.5 s max 4.5 0.5 s 16 s max 250n s max 5 s 0.5s gbr status word 4.5 s for handshakes < 3.5 s don?t care status sync 8 7 6 5 0 p 4.5 0.5 s 250n s for handshakes > 3.5 s figure 4 ? timing diagram, receive one word command sync 1 0 p data sync 15 14 13 12 11 0 p
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 8 nbgt incmd dtreq dtgrt dtack staten a5 (d/c ) dtstb gbr r/w a6 - a10 a11 (t/r ) db0 - db15 buffena tristate command word word count address = 00h sub address previous state 160n s 2.25 s max 4.5 0.5 s 250ns max don?t care tx status sync 15 14 13 tristate tristate tristate tx command word 4.0 0.5s 250n s max 1s a0 - a4 transmitting rt response time figure 5 ? timing diagram, rt to rt receive one word (part a) rx command sync 15 14 13 1 0 p tx command sync 15 14 13 12 11 10 0 p
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 9 0 p data sync 15 14 13 1 0 p status sync 8765 10p nbgt incmd dtreq dtgrt dtack staten a5 (d/c ) dtstb gbr r/w a6 - a10 a11 (t/r) db0 - db15 buffena 500n s typ 4.5 0.5 s 250ns max don?t care tristate 250n s for handshakes > 3.5s a0 - a4 tristate tx rt status response receive data word status word address = 01h 4.5 0.5 s 4.5 s for handshakes < 3.5s 5 0.5 s 16 s max 9.5s 0.75s figure 5 ? timing diagram, rt to rt receive one word (part b)
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 10 figure 6 ? timing diagram, command word transfer 166ns 0ns min 2.25s max 250ns max 500ns 166ns 666ns 1s 166ns 166ns when t/r = 0 valid sub address address = 00h or mode word count tristate tristate tristate 75ns max 75ns max 75ns max 75ns max command word note: 1. r/w = logic 0 buffena db0 - db15 a0 - a4 a6 - a10 a5 (d/c ) a11 (t/r ) incmd dtstb dtack dtgrt dtreq nbgt
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 11 figure 7 ? timing diagram, status word transfer tristate tristate staten gbr dtstb db0 - db15 buffena receive only 500ns 166ns 166ns 75ns 75ns note: 1. r/w = 0 tristate tristate biten dtstb db0 - db15 buffena 500 ns 166ns 166ns 75ns 75ns note: 1. r/w = 0 status bit word figure 8 ? timing diagram, bit word transfer
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 12 500ns typ 0ns min don?t care 250ns max 166ns typ 166ns typ 75ns max 75ns max 50ns max received data word address or mode *address +1 valid tristate buffena db0 - db15 a0 - a4 dtstb dtack dtgrt dtreq figure 9 ? timing diagram, data to subsystem 500ns typ 0ns min don?t care 250ns max 166ns typ 166ns typ address or mode *address +1 db0 - db15 a0 - a4 dtstb dtack dtgrt dtreq figure 10 ? timing diagram, data from subsystem r/w 50ns min 50ns max 50ns max transmit data word valid notes: 1. r/w = logic 0 2. (*) = non-mode only 3. buffena = dtack notes: 1. (*) = non-mode only 2. word count for mode code 3. buffena = don?t care
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 13 figure 11 ? timing diagram, data transfers to subsystem (no handshake) 166ns typ 250ns min 250ns min valid don?t care don?t care received data tristate address or mode field tristate dtstb buffena db0 - db15 a0 - a4 notes: 1. r/w = logic 0 2. dtgrt = dtreq = logic 1 3. incmd = dat/cmd are logic 1
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 14 21 60 22 61 23 62 24 63 25 64 26 65 27 66 28 67 29 68 30 69 31 70 32 71 33 72 34 73 35 74 36 75 37 76 38 77 39 78 40 1 41 2 42 3 43 4 44 5 45 6 46 7 47 8 48 9 49 10 50 11 51 12 52 13 53 14 54 15 55 16 56 17 57 18 58 19 59 20 a10 a9 a8 a7 a6 db0 db1 db2 db3 db4 db5 db6 db7 db8 db9 db10 db11 db12 db13 db14 db15 +5v bro ena gnd addre addrd addrc addrb addra addrp rtaderr txdata b txdata b -15v b +15v b +5v b gnd b rxdata b rxdata b a3 a2 a1 a0 dtgrt dtack incmd a4 hsfail r/w distr gbr a5(dat/cmd ) 12mhz in rtfail buf ena dtreq reset adbc rtflag tp2 tp1 a11(t/r ) busy illcmd ssflag srq me biten rxdata a rxdata a gnd a +5v +15v -15v txdata a txdata a staten nbgt ct2512 pin out description (ddip) pin # function pin # function 1 a10 40 nbgt 2a841 a9 3a642 a7 4db143 db0 5db344 db2 6db545 db4 7db746 db6 8db947 db8 9 db11 48 db10 10 db13 49 db12 11 db15 50 db14 12 bro ena 51 +5v 13 addre 52 gnd 14 addrc 53 addrd 15 addra 54 addrb 16 rtaderr 55 addrp 17 txdata b 56 txdata b 18 +15v b 57 -15v b 19 gnd b 58 +5v b 20 rxdata b 59 rxdata b 21 a3 60 a2 22 a1 61 a0 23 dtgrt 62 dtack 24 incmd 63 a4 25 hsfail 64 r/w 26 dtstr 65 gbr 27 a5 (dat/cmd ) 66 12mhz in 28 rtfail 67 buf ena 29 dtreq 68 reset 30 adbc 69 rtflag 31 tp2 (nc) 70 tp1 (nc) 32 a11 (t/r )71 busy 33 illcmd 72 ssflag 34 srq 73 me 35 biten 74 rxdata a 36 rxdata a 75 gnd a 37 +5v a 76 +15v a 38 -15v a 77 txdata a 3 9 t x data a 7 8 s tat e n ct2512 mil-std-1553b remote terminal protocol unit figure 12 ? ddip pin connection diagram, ct2512 and pinout table
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 15 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 a10 a9 a8 a7 a6 db0 db1 db2 db3 db4 db5 db6 db7 db8 db9 db10 db11 db12 db13 db14 db15 +5v br0 ena gnd addre addrd addrc addrb addra addrp rtaderr txdata b txdata b -15v b +15v b +5v b gnd b rxdata b rxdata b a3 a2 a1 a0 dtgrt dtack incmd a4 hsfail r/w distr gbr a5(dat/cmd ) 12mhz in rtfail buf ena dtreq reset adbc rtflag tp2 tp1 a11(t/r ) busy illcmd ssflag srq me biten rxdata a rxdata a gnd a +5v +15v -15v txdata a txdata a staten nbgt ct2512 pin out description (fp) pin # function pin # function 1nc42 nc 2 a10 43 nbgt 3a944staten 4 a8 45 txdata a 5a746txdata a 6a647-15v a 7 db0 48 +15v a 8 db1 49 +5v a 9 db2 50 gnd a 10 db3 51 rxdata a 11 db4 52 rxdata a 12 db5 53 biten 13 db6 54 me 14 db7 55 srq 15 db8 56 ssflag 16 db9 57 illcmd 17 db10 58 busy 18 db11 59 a11 (t/r ) 19 db12 60 tp1 20 db13 61 tp2 21 db14 62 rtflag 22 db15 63 adbc 23 +5v 64 reset 24 bro ena 65 dtreq 25 gnd 66 bu f ena 26 addre 67 rtfail 27 addrd 68 12mhz in 28 addrc 69 a5 (dat/cmd ) 29 addrb 70 gbr 30 addra 71 dtstr 31 addrp 72 r/w 32 rtaderr 73 hsfail 33 txdata b 74 a4 34 txdata b75 incmd 35 -15v b 76 dtack 36 +15v b 77 dtgrt 37 +5v b 78 a0 38 gnd b 79 a1 39 rxdata b80 a2 40 rxdata b 81 a3 41 nc 82 nc CT2512-FP mil-std-1553b remote terminal protocol unit figure 13 ? flat package pin connection diagram, ct2512 and pinout table 1 2 n/c n/c n/c n/c 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 82 81
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 16 .100 2.100 1.500 typ lead 1 & esd designator 1.900 1.800 pin 19 pin 20 pin 59 pin 41 pin 2 .050 typ 1.650 1.870 .100 .110 pin 1 .250 .250 max pin 39 pin 40 pin 78 pin 22 pin 21 pin 60 .018 dia typ .105 .190 max .010 .002 .015 2.000 pin 42 .095 pin 41 2.195 max lead 1 & esd designator 1.600 max designator 1.600 max .500 typ .050 lead centers 41 leads/side (4 places) pin 82 flat package outline plug in package outline .050
aeroflex circuit technology scdct2512 rev d 3/19/02 plainview ny (516) 694-6700 17 circuit technology ordering information model number screening desc smd power supply package ct2512 military temperature, -55c to +125c, screened to the individual test methods of mil-std-883 5962-8753503x_ +5v, 15v plug in CT2512-FP 5962-8753503z_ flat package * ct2513 - +5v, 12v plug in * ct2513-fp - flat package * ct2510 - +5v, -15v plug in * ct2510-fp - flat package * ct2511 - +5v, -12v plug in * ct2511-fp - flat package * contact factory aeroflex circuit technology 35 south service road plainview new york 11803 telephone: (516) 694-6700 fax: (516) 694-6715 toll free inquiries: (800) 843-1553 specifications subject to change without notice www.aeroflex.com e-mail: sales-act@aeroflex.com

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