电子CAD课程设计报告(10)

电子CAD课程设计报告

74LS74 ] [ U41 DIP14 4012 ] [ X1 XTAL1 32768Hz ] ( 1HZ U4-12 U21-5 ) ( 2HZ S1-1 S2-1 U4-9 U20-3 U21-3 ) (

1024HZ U14-12 U20-5 ) (

2048HZ U14-2 U20-7 ) ( FG1 DS4-1 RP4-8 ) ( FG2 DS4-2 ) ( FG3 DS4-3 RP4-10 ) ( FG4 DS4-4 RP4-11 ) ( FG5 DS4-5 RP4-12 ) ( FG6 DS4-6 RP4-13 ) ( FG7 DS4-7 RP4-14 ) ( FJW U4-1 U16-10 ) ( FS1 DS3-1 RP3-14 ) ( FS2 DS3-2 RP3-13 ) ( FS3 RP3-12 ) ( FS4 DS3-4 RP3-11 ) ( FS5 DS3-5 RP3-10 ) ( FS6 DS3-6 RP3-9 ) ( FS7 DS3-7 RP3-8 ) ( GND U1-7 U2-7 U3-7 U4-7 U5-7 U6-8 U7-8 U8-8 U9-8 U10-8 U11-8 U12-7 U13-7 U14-7 U15-7 U16-7 U17-8 U18-8 U19-8 U21-7 U41-7 ) ( JF U4-4 U18-1 U19-7 U19-15 ) ( JM U5-3 U19-1 ) ( JS U4-3 U17-1 U18-7 U18-15 ) ( MG1 DS6-1 RP6-8 ) ( MG2 DS6-2 RP6-9 ) ( MG3 DS6-3 RP6-10 ) ( MG4 DS6-4 RP6-11 ) ( DS6-5 RP6-12 ) ( MG6 DS6-6 RP6-13 ) ( MG7 DS6-7 RP6-14 ) ( MJW U4-6 U16-11 ) ( MS1 DS5-1 RP5-14 ) ( MS2 DS5-2 RP5-13 ) ( MS3 DS5-3 RP5-12 ) ( MS4 DS5-4 RP5-11 ) ( MS5 DS5-5 RP5-10 ) MS6 DS5-6 RP5-9 ) ( MS7 DS5-7 RP5-8 ) ( N1 U6-7 U17-11 ) ( N2 U6-1 U16-5 U17-12 ) ( N3 U6-2 U17-13 ) ( N4 U6-6 U17-14 ) ( N5 U7-7 U17-3 ) ( N6 U7-1 U17-4 ) ( N7 U7-2