Avago Technologies LSI53C120 - Manual (Page 39)

Electrical Characteristics 3-9
Table 3.9 lists the operating conditions for the LSI53C120 device.
Table 3.10 provides the minimum and maximum values associated with
these LSI53C120 SCSI signals.
Table 3.9 Operating Conditions
1
Symbol Parameter Min Max Unit Test Conditions
V
DD
Supply voltage 4.75 5.25 V –
I
DD
Supply current (dynamic)
Supply current (static) – 80
1
mA
mA –
–
T
A
Operating free air 0 70
°
C –
θ
JA
Thermal resistance
(junction to ambient air) – 41.3
°
C/W –
1. Conditions that exceed the operating limits may cause the device to function incorrectly.
Table 3.10 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 Unit Test Conditions
V
IH
Input high voltage 1.9 V
DD
+ 0.5 V –
V
IL
Input low voltage V
SS
- 0.5 1.0 V –
V
OH
1
Output high voltage 2.4 3.5 V 2.5 mA
V
OL
Output low voltage V
SS
0.4 V 48 mA
I
OZ
3-state leakage -10 10
µ
A –
1. TolerANT active negation enabled