![](http://datasheet.mmic.net.cn/90000/PACSZ1284-02QR_datasheet_3509199/PACSZ1284-02QR_9.png)
PACSZ1284
Rev. 2 | Page 9 of 11 | www.onsemi.com
Table 2: IEEE 1284 Connector Pinouts and PACSZ1284 Connection Guidelines
PACSZ1284
PIN TYPE
1284-A
25-PIN
DSUB
1284-B
36-PIN CHAMP
1284-C
36-PIN HIGH
DENSITY
SIGNAL
PIN
SIGNAL
PIN
SIGNAL
PIN
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
STROBE
1
STROBE
1
STROBE
15
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 1
2
Data 1
2
Data 1
6
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 2
3
Data 2
3
Data 2
7
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 3
4
Data 3
4
Data 3
8
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 4
5
Data 4
5
Data 4
9
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 5
6
Data 5
6
Data 5
10
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 6
7
Data 6
7
Data 6
11
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 7
8
Data 7
8
Data 7
12
P-Port conn. side, series-terminated (16-19, 21, or 23-26)
Data 8
9
Data 8
9
Data 8
13
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
ACK
10
ACK
10
ACK
3
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
BUSY
11
BUSY
11
BUSY
1
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
PError
12
PError
12
PError
5
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
Select
13
Select
13
Select
2
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
AUTOFD
14
AUTOFD
14
AUTOFD
17
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
FAULT
15
FAULT
32
FAULT
4
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
INIT
16
INIT
31
INIT
14
Capacitor-filtered (1, 2, 8, 10, 12, 15, 27, or 28)
Selectin
17
Selectin
36
Selectin
16
Ground
18
Ground
19
Ground
19
Ground
19
Ground
20
Ground
20
Ground
20
Ground
21
Ground
21
Ground
21
Ground
22
Ground
22
Ground
22
Ground
23
Ground
23
Ground
23
Ground
24
Ground
24
Ground
24
Ground
25
Ground
25
Ground
25
Ground
26
Ground
26
Ground
27
Ground
27
Ground
28
Ground
28
Ground
29
Ground
29
Ground
30
Ground
30
Not Defined
33
Ground
31
Not Defined
34
Ground
32
Not Defined
35
Ground
33
Not Defined
15
Ground
34
Logic Ground
16
Ground
35
Chassis GND
17
Not Required
36
Peripheral Logic
18
Host Logic High
18