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AN2555 Datasheet(PDF) 28 Page - STMicroelectronics

Part # AN2555
Description  Porting an application from the ST10F269Zx to the ST10F276Z5
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2555 Datasheet(HTML) 28 Page - STMicroelectronics

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AN2555 - Application note
Electrical characteristics
28/33
5
Electrical characteristics
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 ST10F276Z5 have been redesigned according to the new technology and therefore the
characteristics are different. User should verify the DC characteristics.
Table 12 lists the parameters that might be impacted most.
Table 12.
DC characteristics
Parameter
Symbol
ST10F269Zx Limit Values
ST10F276Z5 Limit Values
Unit
min.
max.
min.
max.
Input low volt-
age
VILSR
VILSSR
-0.5
-0.5
0.2 VDD - 0.1
2.0, special
thresholds
-0.3
-0.3
0.8
0.3 VDD
V
Input low
voltage
(RSTIN, EA,
NMI, and RPD)
VIL1SR
N.A.
N.A.
-0.3
0.3 VDD
V
Input low
voltage (XTAL1
and XTAL3)
VIL2SR
-0.3
0.3 VDD
V
Input high
voltage
VIHSR
VIHSSR
0.2 VDD + 0.9
0.8 VDD - 0.2
VDD + 0.5
VDD + 0.5,
special
threshold
2.0
0.7 VDD
VDD + 0.3
VDD + 0.3
V
Input high
voltage
(RSTIN, EA,
NMI, and RPD)
VIH1SR
0.2 VDD + 0.9
0.8 VDD - 0.2
VDD + 0.5
VDD + 0.5,
special
threshold
2
0.7 VDD
VDD + 0.3
VDD + 0.3
V
Input high
voltage XTAL1
VIH2SR
0.7 VDD
VDD + 0.5
0.7 VDD
VDD + 0.3
V
Input
Hysteresis
HYS
N.A.
250, special threshold
-400
750
700
1400
mV
Input
Hysteresis
RSTIN, EA,
NMI
VHYS1CC
750
1400
mV
Output low
voltage
VOLCC
PORT0, PORT1, Port 4,
ALE, RD, WR, BHE,
CLKOUT, RSTOUT
0.45 / IOL =
2.4mA
PORT6, ALE, CLKOUT,
WR, READY, BHE, RD,
RSTOUT, RSTIN
0.4 / IOL = 8mA
0.05 / IOL =
1mA
V



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