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AN2021 データシート(PDF) 33 Page - STMicroelectronics

部品番号 AN2021
部品情報  The ST10F272B and ST10F272E are members of the STMicroelectronics
PDF  39 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2021 データシート(HTML) 33 Page - STMicroelectronics

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AN2021
Electrical characteristics
33/39
5
Electrical characteristics
Note:
In the tables where the device provides signals with their respective timing characteristics,
the symbol CC (Controller Characteristics) is included in the Symbol column.
In the tables where the external system must provide signals with their respective timing
characteristics to the device, the symbol SR (System Requirement) is included in the
Symbol column.
5.1
DC characteristics
5.1.1
Absolute maximum ratings
They are the same.
5.1.2
Overview of the DC characteristics
The pads of the ST10F272 have been redesigned according to the new technology and
therefore the characteristics are different. The user should verify the DC characteristics.
Table 19 lists the parameters that might be impacted most.
Table 19.
DC characteristics
Symbol
Parameter
ST10F269 Limit values
ST10F272 Limit values
Unit
Min
Max
Min
Max
VIL SR
Input low voltage
(all inputs)
-0.5
0.2 VDD - 0.1
-0.3
0.8
V
VILSSR
-0.5
2.0, special
threshold
-0.3
0.3 VDD, special
threshold
VIL1SR
Input low voltage
(RSTIN, EA,
NMI, and RPD)
N.A.
N.A.
-0.3
0.3 VDD
V
VIL2SR
Input low voltage
(XTAL1 and
XTAL3)
-0.3
0.3 VDD
V
VIHSR
Input high
voltage
(all except RPD,
XTAL1 and
XTAL3)
0.2 VDD + 0.9
VDD + 0.5
2.0
VDD + 0.3
V
VIHSSR
0.8 VDD - 0.2
VDD + 0.5,
special threshold
0.7 VDD
VDD + 0.3,
special threshold
HYSCC
Input Hysteresis
N.A.
400, special
threshold
-
400, default
750, special
threshold
700
1400
mV
VHYS1CC
Input Hysteresis
RSTIN, EA, NMI
750
1400
mV



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