Information
Table
6-1:
Relative Susceptibility to Static-discharge Damage
Semiconductor Classes
MOS or CMOS microcircuits or discretes, or linear
microcircuits with MOS inputs (Most Sensitive)
ECL
Schottky signal diodes
Schottky TTL
High-frequency bipolar transistors
JFET
Linear microcircuits
Low-power Schottky TTL
TTL (Least Sensitive)
Relative
Susceptibility
Levels
1
1
2
3
4
5
6
7
8
9
1
Voltage equivalent for levels (voltage discharged from a 100 pF capacitor through resis-
tance of 100 fl):
1 =
100
to 500 V 6 =
600
to
800 V
2 = 200 to 500
V
7 =
400
to
1000 V
(est)
3 = 250
V
8 =
900 V
4 = 500
V
9 = 1200
V
5 = 400 to 600
V
PS280 & PS283 Laboratory DC Power Supply Module-Level Service Manual REVAUG 1991
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