Datasheet

SN75161B, SN75162B
OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SLLS005B – OCTOBER 1980 – REVISED MAY 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75162B logic symbol
†
EN3
≥ 1
ATN
1
ATN
14
1
1
EOI
6
EOI
1
6
SRQ
1
SRQ
1
1
REN
REN
1
3
IFC
IFC
1
DAV
2
DAV
1
2
NDAC
2
NDAC
1
2
2
1
NRFD
2
EN1/G4
EN2/G5
5
4
NRFD
TE
DC
This symbol is in accordance with IEEE Std 91-1984 and
IEC Publication 617-12.
Designates 3-state outputs
Designates passive-pullup outputs
EN3
12
2
1
15
SC
13
20
19
16
18
17
9
8
10
3
4
7
5
6
3
3
3
Pin numbers shown are for the N package.
SN75162B logic diagram (positive logic)
NRFDNRFD
NDACNDAC
DAVDAV
IFCIFC
RENREN
SRQSRQ
EOIEOI
DC
TE
ATN ATN
12
2
1
14
15
13
20
19
16
18
17
9
8
10
3
4
7
5
6
SC