Tektronix 684A Manual De Usuario
Maintenance
TDS 684A, TDS 744A, & TDS 784A Service Manual
6–3
Table 6–1: Relative Susceptibility to Static-Discharge Damage
Semiconductor Classes
Relative Susceptibility
Levels
Levels
1
MOS or CMOS microcircuits or discrete circuits, or linear
microcircuits with MOS inputs (most sensitive)
microcircuits with MOS inputs (most sensitive)
1
ECL
2
Schottky signal diodes
3
Schottky TTL
4
High-frequency bipolar transistors
5
JFET
6
Linear microcircuits
7
Low-power Schottky TTL
8
TTL (least sensitive)
9
1
Voltage equivalent for levels (voltage discharged from a 100 pF capacitor through
resistance of 100 ohms)
resistance of 100 ohms)
:
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