Before Maintenance

Table3651:4Relative Susceptibility to Static5discharge Damage ￿
Semiconductor Classes

 

Relative

 

 

 

Susceptibility

 

 

 

Levels1
MOS or CMOS microcircuits or discrete circuits, or linear

1

microcircuits with MOS inputs (most sensitive)

 

 

 

 

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

 

1Voltage equivalent for levels (voltage discharged from a 100 pF capacitor through

resistance of 100 Ω):

 

 

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

 

 

AWG2005 Service Manual

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