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octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 1 - SM74HC245 SM74HC245 ?? ????? ???? ?? ? ?? ? ? SM74HC245d sop20 7.6mm - 7.4mm sm245 sop20-2 5.4mm - 5.2mm sm245ts tssop20 4.5mm - 4.3mm SM74HC245p dip20 6.4mm - 6.2mm ? ? cmos ? ? 3.0v5.0v ? ?? ? ?? ? ?? sop20 sop20-2 tssop20 dip20 ? ? ??? ?? 11 12 13 14 15 16 17 18 19 10 9 8 7 6 5 4 3 2 1 20 a7 a6 gnd a5 a4 a3 a2 a1 a0 dir b7 b6 b5 b4 b3 b2 b1 b0 oe vdd free datasheet http://www.ndatasheet.com
octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 2 - ??? ? ?? ? a0 a7 / 2 9 b0 b7 / 18 11 oe ? 19 dir 1 dir=1,a >b dir=0,b >a gnd ? 20 ? vdd ?? 10 ? ? ? oe dir ?? l l bn an l h an bn h x ? ?? free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 3 - ? ? ta = 25 ??? vdd -0.5 +7.0 v ?? vi1 -0.5 vdd + 0.5 v pd <400 mw ? topt -40 +80 ? tstg -50 +150 ??? vdd 3.0 5 5.5 v - ??? v ih 3.3 v vdd=5.0v ??? v il 1.5 v vdd=5.0v ? ??? v oh 4.9 v vdd=5.0v ??? v ol 0.1 v vdd=5.0v ? idd 1 ua vdd=6.0v i oh -54 -64 ma vdd=5.0v ? i ol 73 83 ma vdd=5.0v free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 4 - ? f max 80 mhz a< >b ? t plh 12 ns a< >b ?? t phl 12 ns t r 8 ns ? t f 6 ns vdd=5.0v f=250khz c l =30p ???? ?? ?? ? ? rt ???? free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 5 - ?? sop20: free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 6 - sop20-2: free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 7 - tssop20: free datasheet http://www.ndatasheet.com octal bus tranceiver(3-state) 2011v1.2 ? : market@chinaasic.com tel: 0755-26991392 fax: 0755-26991336 ? : www.chinaasic.com ? : ????? 5 - 8 - dip20: free datasheet http://www.ndatasheet.com |
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