Datasheet
ST72321Rx ST72321ARx ST72321Jx
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EMC CHARACTERISTICS (Cont’d)
12.7.3 Absolute Maximum Ratings (Electrical
Sensitivity)
Based on two different tests (ESD and LU) using
specific measurement methods, the product is
stressed in order to determine its performance in
terms of electrical sensitivity. For more details, re-
fer to the application note AN1181.
12.7.3.1 Electro-Static Discharge (ESD)
Electro-Static Discharges (a positive then a nega-
tive pulse separated by 1 second) are applied to
the pins of each sample according to each pin
combination. The sample size depends on the
number of supply pins in the device (3 parts*(n+1)
supply pin). Two models can be simulated: Human
Body Model and Machine Model. This test con-
forms to the JESD22-A114A/A115A standard.
Absolute Maximum Ratings
Notes:
1. Data based on characterization results, not tested in production.
12.7.3.2 Static Latch-Up
■ LU: 2 complementary static tests are required
on 6 parts to assess the latch-up performance.
A supply overvoltage (applied to each power
supply pin) and a current injection (applied to
each input, output and configurable I/O pin) are
performed on each sample. This test conforms
to the EIA/JESD 78 IC latch-up standard.
Electrical Sensitivities
Symbol Ratings Conditions Maximum value
1)
Unit
V
ESD(HBM)
Electro-static discharge voltage
(Human Body Model)
T
A
=+25°C
2000
V
V
ESD(MM)
Electro-static discharge voltage
(Machine Model)
T
A
=+25°C
200
Symbol Parameter Conditions Class
1)
LU Static latch-up class
T
A
=+125°C
conforming to JESD 78
II level A