Z53C80SCSI ZILOG [Zilog, Inc.], Z53C80SCSI Datasheet - Page 4

• Manufacturer Part Number: Z53C80SCSI
• Description: SMALL COMPUTER SYSTEM INTERFACE (SCSI)
• Manufacturer: ZILOG [Zilog, Inc.]

Z
GENERAL DESCRIPTION (Continued)
4
ILOG
/RESET
READY
/DACK
/EOP
/RST
/BSY
/ATN
/IOW
/SEL
Figure 3. 48-Pin DIP Pin Assignments
/IOR
/DB7
GND
DRQ
GND
IRQ
/CS
N/C
N/C
A0
A1
A2
D7
D6
D5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Z53C80
SCSI
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
/DB6
/DB5
GND
/DB4
/DB3
/DB2
N/C
/DB1
/DB0
GND
/DBP
/REQ
/ACK
I//O
GND
C//D
/MSG
N/C
D0
D1
D2
D3
D4
VCC
/RESET
READY
/DACK
/EOP
GND
DRQ
IRQ
/CS
A0
A2
A1
Figure 4. 44-Pin PLCC Pin Assignments
10
11
12
13
14
15
16
17
7
8
9
18 19 20 21 22 23 24 25 26 27 28
6
5
4
3
2
Z53C80
SCSI
1 44 43 42 41 40
PS97SCC0200
39
38
37
36
35
34
33
32
31
30
29
Z53C80 SCSI
/DB2
/DB1
/DB0
/DBP
/REQ
/ACK
I//O
GND
C//D
/MSG
GND