ST7PSCR1E4M1/XXX View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST7PSCR1E4M1/XXX
STMicroelectronics
ST7PSCR1E4M1/XXX Datasheet PDF : 102 Pages
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ST7SCR
SMARTCARD SUPPLY SUPERVISOR
Symbol
Parameter
Conditions
Min
Typ
tON
VCARD Turn on Time (see Figure 35 on
page 61)
CLOADmax ≤ 4.7uF
150
1.8V regulator output (for IEC7816-3 Class C Cards)
VCARD
ISC
IOVDET
tIDET
tOFF
SmartCard Power Supply Voltage
SmartCard Supply Current
Current Overload Detection
Detection time on Current Overload
VCARD Turn off Time (see Figure 35 on
page 61)
CLOADmax ≤ 4.7uF
1.65
170 1)
tON
VCARD Turn on Time (see Figure 35 on
page 61)
CLOADmax ≤ 4.7uF
150
Smartcard CLKPin
VOL
Output Low Level Voltage
VOH Output High Level Voltage
TOHL Output H-L Fall Time
TOLH Output L-H Rise Time
FVAR Frequency variation
FDUTY Duty cycle
ISGND Short-circuit to Ground
Smartcard I/O Pin
I=-50uA
I=50uA
Cl=30pF
Cl=30pF
-
-
VCARD-0.5 2) -
-
-
-
45
15
VIL
Input Low Level Voltage
VIH
Input High Level Voltage
VOL
Output Low Level Voltage
VOH Output High Level Voltage
IL
Input Leakage Current
IRPU Pull-up Equivalent Resistance
TOHL Output H-L Fall Time
TOLH Output L-H Rise Time
ISGND Short-circuit to Ground
Smartcard RST C4 and C8 Pin
-
-
0.6VCARD 2)
-
I=-0.5mA
-
-
I=20uA
0.8VCARD 2)
-
VSS<VIN<VSC_PWR
-10
-
VIN=VSS
24
Cl=30pF
-
Cl=30pF
-
15
VOL
VOH
TOHL
TOLH
ISGND
Output Low Level Voltage
Output High Level Voltage
Output H-L Fall Time
Output L-H Rise Time
Short-circuit to Ground
I=-0.5mA
I=20uA
Cl=30pF
Cl=30pF
-
-
VCARD-0.5 2) -
-
-
15
Max
500
1.95
20
1001)
1400 1)
750
500
0.4 2)
-
20
20
1
55
0.5 2)
-
0.4 2)
VCARD 2)
10
30
0.8
0.8
0.4 2)
VCARD 2)
0.8
0.8
Unit
µs
V
mA
mA
us
us
µs
V
V
ns
ns
%
%
mA
V
V
V
V
µA
KΩ
us
us
mA
V
V
us
us
mA
Note 1 : Guaranteed by design.
Note 2 : Data based on characterization results, not tested in production.
Notes: VDD = 4.75 V, Card consumption = 55mA, CRDCLK frequency = 4MHz, LED with a 3mA current, USB in recep-
tion mode and CPU in WFI mode.
83/102
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