IMP51 1 1/51 1 2
IMP52 8
Typical Characteristics
24
23.5
23
Io (mA)
22.5
22
23.5 – 24
23 – 23.5
22.5 – 23
22 – 22.5
21.5 – 22
21 – 21.5
21.5
i6
21
1
2
3
4
5
6
7
8
9 10 11
12 13 14
15 16 17
18 19 20
i0
Part #
21 22
23 24
25
i2
i4
i8
Channel
Figure 23. Output Current Matching Channel to Channel
5V
2.2µF
TERM POWER
V
TERM
HOST
PERIPHERAL
TERM POWER
V
TERM
5V
2.2µF
DISC1
DB (0)
DB (1)
~ ~
DB (0)
DB (1)
DB (6)
DB (7)
DB (P)
IMP5218
DISC1
~ ~ ~
IMP5218
DISC2
DB (6)
DB (7)
DB (P)
DISC2
TERMPWR
V
TERM
TERMPWR
ATN
BSY
TERMPWR
ATN
BSY
TERMPWR
V
TERM
~ ~
SCSI CABLE
DISC1
DISC1
~ ~ ~
IMP5218
DISC2
ACK
RST
MSG
ACK
RST
MSG
IMP5218
DISC2
Note: Add third IMP5218 for 16-bit SCSI
Figure 24. 8-Bit SCSI System Application
Daily Silver IMP
Data Communications
9
IMP [ IMP, INC ]
