SPC574K72E5 datasheet(33/127 Pages) STMICROELECTRONICS

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SPC574Kxx

Electrical characteristics

126

Table 15. I/O pull-up/pull-down DC electrical characteristics

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

I

WPU

Weak pull-up

current absolute

value(1)

VIN = 0 V

VDD_POR

(2) < V

DD_HV_IO

< 3.0 V(3)(4)

10.6 * VDD_HV –

10.6

——

µA

VIN > VIL = 1.1 V (TTL)

4.5 V < VDD_HV_IO < 5.5 V

——

130

VIN = 0.69* VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

—

VIN = 0.49* VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

——

RWPU

Weak pull-up

resistance

0.49* VDD_HV_IO < VIN < 0.69*

VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

—



I

WPD

Weak pull-down

current absolute

value

VIN < VIL = 0.9 V (TTL)

4.5 V < VDD_HV_IO < 5.5 V

—

µA

PVIN = 0.69* VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

—

130

TVIN = 0.49* VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

—

RWPD

Weak pull-down

resistance

0.49* VDD_HV_IO < VIN < 0.69*

VDD_HV_IO

4.5 V < VDD_HV_IO < 5.5 V

—



Weak pull-up/down is enabled within tWK_PU = 1 µs after internal/external reset has been asserted. Output voltage will

depend on the amount of capacitance connected to the pin.

VDD_POR is the minimum VDD_HV_IO supply voltage for the activation of the device pull-up/down, and is given in the

Table 21: Reset electrical characteristics of Section 3.9: Reset pad (PORST, ESR0) electrical characteristics.

VDD_POR is defined in the Table 21: Reset electrical characteristics of Section 3.9: Reset pad (PORST, ESR0) electrical

characteristics.

Weak pull-up behavior during power-up. Operational with VDD_HV_IO > VDD_POR.

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