Avago Technologies LSI53C180 User Manual
Page 45
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Electrical Characteristics
3-11
Table 3.11
Bidirectional SCSI Signals
—
A_SD[15:0]/, A_SDP[1:0]/,
A_SREQ/, A_SACK/, B_SD[15:0]
±
, B_SDP[1:0]
±
,
B_SREQ
±
, B_SACK
±
Symbol
Parameter
Min
Max
Units
Test
Conditions
V
IH
Input high voltage
2.0
V
DD
+0.3
V
–
V
IL
Input low voltage
V
SS
-0.3
0.8
V
–
V
OH
1
1. TolerANT active negation enabled.
Output high
voltage
2.0
V
DD
V
I
OH
= 7.0 mA
V
OL
Output low voltage
V
SS
0.5
V
48 mA
I
OZ
3-state leakage
−
20
20
µ
A
V
PIN
= 0 V, 3.47 V
Table 3.12
Bidirectional SCSI Signals—A_SCD/, A_SIO/, A_SMSG/,
A_SBSY/, A_SATN/, A_SSEL/, A_SRST/, B_SCD
±
,
B_SIO
±
, B_SMSG
±
, B_SBSY
±
, B_SATN
±
, B_SSEL
±
,
B_SRST
±
Symbol
Parameter
Min
Max
Units
Test Conditions
V
IH
Input high voltage
2.0
V
DD
+0.3
V
–
V
IL
Input low voltage
V
SS
-0.3
0.8
V
–
V
OL
Output low
voltage
V
SS
0.5
V
48 mA
I
OZ
3-state leakage
−
20
20
µ
A
V
PIN
= 0 V, 3.47 V
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