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ST8034T Datasheet(PDF) 17 Page - STMicroelectronics

No. de pieza ST8034T
Descripción Electrónicos  16-pin smartcard interfaces
PDF  39 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST8034T Datasheet(HTML) 17 Page - STMicroelectronics

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Electrical characteristics
ST8034T, ST8034AT, ST8034P, ST8034C
18/40
DocID024587 Rev 4
Table 9. Microcontroller interface
Symbol
Parameter
Test conditions(1)
Min.
Typ.
Max.
Unit
Data line to the microcontroller (I/OUC pin)(2)
tD
Delay time
Falling edge on pin I/O to
falling edge on I/OUC or vice
versa
200
ns
tW(PU)
Pull-up pulse width
100
400
ns
fIO
Input/output frequency
1
MHz
CI
Input capacitance
10
pF
VOL
Output voltage low
IOL = 1 mA
0
0.3
V
VOH
Output voltage high
No load
0.9
VDD(INTF)
VDD(INTF)
+ 0.1
V
IOH  40 A, VDD(INTF) > 2 V
0.75
VDD(INTF)
VDD(INTF)
+ 0.1
IOH  20 A, VDD(INTF) < 2 V
0.75
VDD(INTF)
VDD(INTF)
+ 0.1
VIL
Input voltage low
-0.3
0.3
VDD(INTF)
V
VIH
Input voltage high
0.7
VDD(INTF)
VDD(INTF)
+ 0.3
V
VHYS
Hysteresis
I/OUC pin
0.14
VDD(INTF)
V
IIL
Input current low
VIL = 0 V
500
A
IIH
Input current high
VIH = VDD(INTF)
10
A
RPU
Pull-up resistance to
VDD(INTF)
810
12
k
IPU
Pull-up current (one-shot
circuit active)
VOH = 0.9 VDD(INTF)
-1
mA
tR(I)
Input rise time
VIL max. to VIH min.
0.15
s
tR(O)
Output rise time
CL  30 pF, 10% to 90%,
0 V to VDD(INTF)
0.1
s
tF(I)
Input fall time
VIL max. to VIH min.
0.15
s
tF(O)
Output fall time
CL  30 pF, 10% to 90%,
0 V to VDD(INTF)
0.1
s
Device control inputs (CLKDIV, RSTIN, VCC_SEL, CS pins)(3)
VIL
Input voltage low
-0.3
0.3
VDD(INTF)
V
VIH
Input voltage high
0.7
VDD(INTF)
VDD(INTF)
+ 0.3
V
VHYS
Hysteresis
0.14
VDD(INTF)
V



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