Click to expand full text
Octal bus tranceiver(3-state)2011V1.2
SM74HC245
SM74HC245 、 , , 。
SM74HC245D SOP20 7.6mm 7.4mm
SM245
SOP20-2
5.4mm 5.2mm
CMOS :3.0V—5.0V :SOP20、SOP20-2、 TSSOP20、DIP20
SM74HC245P DIP20 6.4mm 6.2mm SM245TS TSSOP20 4.5mm 4.3mm
DIR 1 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 GND 10
20 19 18 17 16 15 14 13 12 11
VDD OE B0 B1 B2 B3 B4 B5 B6 B7
: market@chinaasic.com : www.chinaasic.com -1-
Tel: 0755-26991392 Fax: 0755-26991336 : 5
Free Datasheet http://www.nDatasheet.com
Octal bus tranceiver(3-state)2011V1.2
A0——A7 B0——B7 OE DIR GND VDD / / 2—9 18—11 19 1 20 10 DIR=1,A——>B;DIR=0,B——>A
OE L L H DIR L H X Bn An An Bn
: market@chinaasic.com : www.chinaasic.