Avago Technologies LSI53C120 - Manual (Page 38)

3-8 Specifications
3.2 Electrical Characteristics
This section provides information about the DC and AC characteristics
for the LSI53C120 Ultra SCSI Bus Expander.
3.2.1 DC Characteristics
Table 3.8 lists the maximum stress ratings for the LSI53C120 device.
Table 3.7 No Connect Pins
No Connects Pin Type Description
NC 39, 40, 42, 43, 120,
123, 124 No external connection required.
Require pullups 1, 2, 128 Requires a pullup.
Require pulldown 125 Requires a pulldown with a 1K ohm resistor.
Table 3.8 Absolute Maximum Stress
1
Ratings
Symbol Parameter Min Max Unit Test Conditions
T
STG
Storage temperature -55 150
°
C –
V
DD
Supply voltage -0.5 7.0 V –
V
IN
Input Voltage V
SS
- 0.5 V
DD
+ 0.5 V –
I
LP
2
Latch-up current
±
150 – mA –
ESD
3
Electrostatic discharge – 2K V MIL-STD 883C, Method 3015.7
1. Stresses beyond those listed above may cause permanent damage to the device. These are stress
ratings only; functional operation of the device at these or any other conditions beyond those indi-
cated in the Operating Conditions section of the manual is not implied.
2. -2V < VPIN < 8V
3. SCSI pins only