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ST7LCRDIE6/XXX Datasheet(PDF) 17 Page - STMicroelectronics

Part # ST7LCRDIE6/XXX
Description  Full-speed USB MCU with smartcard interface
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LCRDIE6/XXX Datasheet(HTML) 17 Page - STMicroelectronics

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Figure 5.
Typical application with a crystal resonator
4.5
Memory characteristics
Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.
4.6
Smartcard supply supervisor electrical characteristics
Table 16 characteristics are measured for TA = 0 to +70 °C, and 4.0 < VDD - VSS < 5.5 V
unless otherwise specified.
OSCOUT
OSCIN
fOSC
CL1
CL2
i2
RF
ST7XXX
RESONATOR
WHEN RESONATOR WITH
INTEGRATED CAPACITORS
Table 15.
RAM and hardware registers characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRM
Data retention mode(1)
1.
Minimum VDD supply voltage without losing data stored in RAM (in Halt mode or under Reset) or in
hardware registers (only in Halt mode). Not tested in production.
Halt mode (or Reset)
2
V
Table 16.
Smartcard supply supervisor electrical characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
3 V regulator output (for IEC7816-3 class B cards)
VCRDVCC
SmartCard Power Supply Voltage
2.7
3.0
3.3
V
ISC
SmartCard Supply Current
50
mA
IOVDET
Current Overload Detection
100(1)
mA
tIDET
Detection time on Current
Overload
170(1)
1400(1)
µs
tOFF
VCRDVCC Turn off Time
CLOADmax≤4.7uF
750
µs
tON
VCRDVCC Turn on Time
CLOADmax ≤ 4.7uF
150
500
µs
1.8 V regulator output (for IEC7816-3 Class C Cards)
VCRDVCC
SmartCard Power Supply Voltage
1.65
1.8
1.95
V
ISC
SmartCard Supply Current
20
mA
IOVDET
Current Overload Detection
100(1)
mA



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