pin function b 0 ? 7 check bit inputs bpar check bit parity input ev/od even/odd parity select en parity enable hold syndrome hold input s-in syndrome bit input shift syndrome bit shift clk clock input p 1 ? 5 parity output pgen parity generate output parerr/parerr parity error output v cco v cc to output hamming code generation extended 100e v ee range of ?.2v to ?.5v 8-bit wide expandable for more width provides parity register fully compatible with industry standard 10kh, 100k ecl levels internal75k ? input pulldown resistors fully compatible with motorola mc10e/100e193 available in 28-pin plcc package features the sy10/100e193 are error detection and correction (edac) circuits designed for use in new, high- performance ecl systems. the e193 generates hamming parity codes on an 8-bit word as shown in the block diagram. the p 5 output gives the parity of the whole word. pgen provides word parity after odd/even parity control and gating with the bpar input. pgen also feeds into a 1-bit shiftable register for use as part of a scan ring. the combinatorial part of the device generates the same code pattern as the motorola mc10193. used in conjunction with 12-bit parity generators, such as the e160, a secded (single error correction, double error detection) error system can be designed for a multiple of an 8-bit word. description error detection/ correction circuit pin configuration pin names rev.: c amendment: /1 issue date: february, 1998 sy10e193 sy100e193 final top view plcc j28-1 26 27 28 1 2 3 4 18 17 16 15 14 13 12 25 24 23 22 21 20 19 5 6 7 8 9 10 11 b 5 b 4 p 2 v cco b 6 b 7 p 1 v cc parerr p 3 p 5 parerr v cco p 4 v ee b 3 bpar b 2 b 1 b 0 ev/od s-in en v cco shift clk pgen hold 1
2 sy10e193 sy100e193 micrel block diagram 3 b inputs 0 1 clk shift s-in bpar ev/od en hold p 2 p 1 p 3 p 4 p 5 pgen parerr parerr byte (b0 b7) b1, b2, b4, b7 b4, b5, b6, b7 b1, b3, b5, b7 b2, b3, b6, b7 657421 0 0 1 d
3 sy10e193 sy100e193 micrel dc electrical characteristics ac electrical characteristics v ee = v ee (min.) to v ee (max.); v cc = v cco = gnd t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit condition i ih input high current 150 150 150 a i ee power supply current ma 10e 112 134 112 134 112 134 100e 112 134 112 134 129 155 v ee = v ee (min.) to v ee (max.); v cc = v cco = gnd t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit condition t plh propagation delay to output ps t phl b to p 1 , p 2 , p 3 , p 4 350 700 1000 350 700 1000 350 700 1000 b to p5 400 775 1150 400 775 1150 400 775 1150 ev/od, bpar to pgen 350 650 850 350 650 850 350 650 850 b to pgen 600 1000 1450 600 1000 1450 600 1000 1450 clk to parerr 300 550 850 300 550 850 300 550 850 t s set-up time ps shift 400 150 400 150 400 150 s-in 300 50 300 50 300 50 hold 750 350 750 350 750 350 en 500 250 500 250 500 250 ev/od 1300 850 1300 850 1300 850 bpar 1300 850 1300 850 1300 850 b 1700 1100 1700 1100 1700 1100 t h hold time ps shift 200 150 200 150 200 150 s-in 300 50 300 50 300 50 hold 100 350 100 350 100 350 en 100 250 100 250 100 250 ev/od 200 850 200 850 200 850 bpar 200 850 200 850 200 850 b 300 1100 300 1100 300 1100 t r rise/fall time 300 700 1100 300 700 1100 300 700 1100 ps t f 20% to 80% product ordering code ordering package operating code type range sy10e193jc j28-1 commercial sy10e193jctr j28-1 commercial sy100e193jc j28-1 commercial sy100e193jctr j28-1 commercial
4 sy10e193 sy100e193 micrel 28 lead plcc (j28-1) rev. 03 micrel-synergy 3250 scott boulevard santa clara ca 95054 usa tel + 1 (408) 980-9191 fax + 1 (408) 914-7878 web http://www.micrel.com this information is believed to be accurate and reliable, however no responsibility is assumed by micrel for its use nor for an y infringement of patents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or pat ent right of micrel inc. ? 2000 micrel incorporated
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