ST7LCRDIE6 datasheet(18/29 Pages) STMICROELECTRONICS

18 / 29 page

ST7LCR

18/29

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

Smartcard CLKPin

VOL

Output Low Level Voltage

I=-50uA

0.4(1)

VOH

Output High Level Voltage

I=50uA

VCRDVCC-

0.5(1)

TOHL

Output H-L Fall Time(1)

Cl=30pF

TOLH

Output L-H Rise Time(1)

Cl=30pF

FVAR

Frequency variation(1)

-1

FDUTY

Duty cycle(1)

POL

Signal low perturbation(1)

-0.25

0.4

POH

Signal high perturbation(1)

VCRDVCC-0.5

VCRDVCC+0.2

ISGND

Short-circuit to Ground(1)

Smartcard I/O Pin

VIL

Input Low Level Voltage

0.5(1)

VIH

Input High Level Voltage

0.6VCRDVCC

(1)

VOL

Output Low Level Voltage

I=-0.5mA

0.4 (1)

VOH

Output High Level Voltage

I=20uA

0.8VCRDVCC

(1)

-VCRDVCC

(1)

Input Leakage Current (1)

VSS<VIN<VSC_PWR

-10

µA

IRPU

Pull-up Equivalent Resistance

VIN=VSS

Ω

TOHL

Output H-L Fall Time(1)

Cl=30pF

0.8

µs

TOLH

Output L-H Rise Time(1)

Cl=30pF

0.8

µs

ISGND

Short-circuit to Ground(1)

Smartcard RST C4 and C8 Pin

VOL

Output Low Level Voltage

I=-0.5mA

0.4(1)

VOH

Output High Level Voltage

I=20uA

VCRDVCC-

0.5(1)

-VCRDVCC

(1)

TOHL

Output H-L Fall Time(1)

Cl=30pF

0.8

µs

TOLH

Output L-H Rise Time(1)

Cl=30pF

0.8

µs

ISGND

Short-circuit to Ground(1)

Data based on characterization results, not tested in production.

Table 16.

Smartcard supply supervisor electrical characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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