资料介绍
ESD测试及IO保护方法Maxim
( ESD )
ESD
ESD ESD
(
) OEM ESD ESD ( ESD )
;
1
ESD ESD Maxim ESD
1.
1 15kV ( )
RS-232 ESD
DIELECTRIC FAILURE & CONTACT SPIKING SPLATTERED ALUMINUM
RUPTURED PASSIVATION ELECTROTHERMAL MIGRATION
1.
RS-232
ESD
( 100pF 1500
2)
15,000V
7
TERMINAL C R1 S1 R2
TERMINAL A
1500 100pF CHARGE TO 15kV
REGULATED HIGH-VOLTAGE SUPPLY
S2 C1
DUT SOCKET
SHORT CURRENT PROBE (NOTE 6)
TERMINAL B
TERMINAL D
COMPONENT R1 ()
HUMAN BODY MODEL (MIL-STD 883, METHOD 3015.7) 1M TO 10M 1500 ± 1% 100 ± 10%
MACHINE MODEL (IC-121, EIAJ) 1M 0 200 ± 5%
IEC 1000-4-2 50M TO 100M 330 150
2. 15kV/1.5k 10A ! 3.
R2 () C1 (pF)
IEC 1000-4-2 (
)
ESD MIL-STD-883 3015.7
ESD ESD / ESD ESD 3015.7 ( ( I/O) 3015.7 I/O ( ±15kV ESD ±2kV I/O )
(
2)
) I/O
I/O ±2kV
(
IC )
ESD ( EIAJ ) R C IC