Avago Technologies LSI53C180 - Manual (Page 49)

Electrical Characteristics 3-15
Figure 3.8 SCSI Input Filtering
Figure 3.9 Hysteresis of SCSI Receivers
Figure 3.10 Input Current as a Function of Input Voltage
REQ/ or ACK/ Input
t
1
V
TH
Note: t
1
is the input filtering period.
1
0 Receiv
ed Logic Le
v
e
l
Input Voltage (Volts)
1.1 1.3
1.5 1.7
+40
+20
0
-20
-40
-4 0 4 8 12 16
-0.7 V
8.2 V
HI-Z
OUTPUT
ACTIVE
Input Voltage (Volts)
Input Current (milliamperes)
14.4 V