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……