Avago Technologies LSI53C180 - Manual (Page 45)

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