ST7FLITE29 STMICROELECTRONICS [STMicroelectronics], ST7FLITE29 Datasheet - Page 104
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ST7FLITE29
Manufacturer Part Number
ST7FLITE29
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7FLITE29.pdf
(131 pages)
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ST7LITE2
EMC CHARACTERISTICS (Cont’d)
13.7.2 Electro Magnetic Interference (EMI)
Based on a simple application running on the product (toggling 2 LEDs through the I/O ports), the product
is monitored in terms of emission. This emission test is in line with the norm SAE J 1752/3 which specifies
the board and the loading of each pin.
Note 1. Data based on characterization results, not tested in production.
13.7.3 7Absolute Electrical Sensitivity
Based on three different tests (ESD, LU and DLU)
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 AN1181 ST7 application note.
13.7.3.1 Electro-Static Discharge (ESD)
Electro-Static Discharges (3 positive then 3 nega-
tive pulses separated by 1 second) are applied to
the pins of each sample according to each pin
combination. The sample size depends of the
number of supply pins of the device (3 parts*(n+1)
supply pin). Two models are usually simulated:
Human Body Model and Machine Model. This test
conforms to the JESD22-A114A/A115A standard.
See
Human Body Model Test Sequence
– C
– S1 switches position from generator to R.
– A discharge from C
– S2 must be closed 10 to 100ms after the pulse
Absolute Maximum Ratings
104/131
ator.
to the ST7 occurs.
delivery period to ensure the ST7 is not left in
charge state. S2 must be opened at least 10ms
prior to the delivery of the next pulse.
V
V
Symbol
ESD(HBM)
L
ESD(MM)
Figure 67
is loaded through S1 by the HV pulse gener-
Electro-static discharge voltage
(Human Body Model)
Electro-static discharge voltage
(Machine Model)
and the following test sequences.
L
through R (body resistance)
Ratings
T
T
A
A
+25°C
+25°C
Machine Model Test Sequence
– C
– S1 switches position from generator to ST7.
– A discharge from C
– S2 must be closed 10 to 100ms after the pulse
– R (machine resistance), in series with S2, en-
ator.
delivery period to ensure the ST7 is not left in
charge state. S2 must be opened at least 10ms
prior to the delivery of the next pulse.
sures a slow discharge of the ST7.
L
is loaded through S1 by the HV pulse gener-
Conditions
L
to the ST7 occurs.
Maximum value
4000
TBD
1)
Unit
V