R5F121BCAFP datasheet(46/85 Pages) RENESAS

46 / 85 page

RL78/G16

2. ELECTRICAL SPECIFICATIONS (TA

= −40 to +85°C)

R01DS0431EJ0130

Rev.1.30

Page 46 of 85

May 19, 2025

2.6.4

SPOR circuit characteristics

[TA =

−40 to +85°C, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Detection voltage

Power supply

voltage level

VSPOR0

Power supply rising

4.08

4.28

4.45

VSPDR0

Power supply falling

4.00

4.20

4.37

VSPOR1

Power supply rising

2.76

2.90

3.02

VSPDR1

Power supply falling

2.70

2.84

2.96

VSPOR2

Power supply rising

2.44

2.57

2.68

VSPDR2

Power supply falling

2.40

2.52

2.62

VSPOR3

Power supply rising

2.16

VSPDR3

Power supply falling

2.11

Minimum pulse widthNote 1

TSPW

300

µs

Note 1.

Time required for the reset operation by the SPOR circuit when VDD falls below VSPDR.

Caution

Make sure to keep the internal reset state by the SPOR or an external reset until the power supply

voltage (VDD) reaches the operating voltage range shown in 2.4 AC Characteristics.

2.6.5

Power supply voltage rising slope characteristics

[TA =

−40 to +85°C, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Power supply voltage rising slope

SVDD

V/ms

Caution

Make sure to keep the internal reset state by the SPOR or an external reset until the power supply

voltage (VDD) reaches the operating voltage range shown in 2.4 AC Characteristics.

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