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ST90E40G0 Ver la hoja de datos (PDF) - STMicroelectronics

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ST90E40G0 16K ROM HCMOS MCU WITH EEPROM, RAM AND A/D CONVERTER ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST90E40G0 Datasheet PDF : 56 Pages
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ST9040
A/D CONVERTER
EXTERNAL TRIGGER TIMING (VDD = 5V ± 10%, TA = –40°C to +85°C, Cload = 50pF)
N° Symbol
Parameter
Oscin divided
by 2 (1)
Min. Max.
Oscin not
divided (1)
Min. Max.
1 TLOW External Trigger pulse width 2xTPC
TPC
2 THIGH External Trigger pulse
2xTPC
TPC
3 TEXT
External trigger active
edges distance
138xTPC
69xTPC
4 TSTR
Internal delay between
EXTRG falling edge and first TPC
conversion start
3xTPC 0.5xTPC 1.5xTPC
Notes:
1. Variable clock (TPC=OSCIN clock period)
2. INTCLK=12MHz
Value(2)
Min.
83
83
Max.
5.75
41.5
125
Unit
ns
ns
µs
ns
A/D External Trigger Timing
25/56
®
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