RA4L1 datasheet(26/125 Pages) RENESAS

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2.2.1

Tj/Ta Definition

Table 2.3

DC characteristics

Conditions: Products with operating temperature (Ta) -40 to +125 °C

Parameter

Symbol

Typ

Max

Unit

Test conditions

Permissible junction temperature

—

140

°C

High-speed mode

Middle-speed mode

Low-speed mode

Subosc-speed mode

105*1

Note:

Make sure that Tj = Ta + θja × total power consumption (W), where total power consumption = (VCC - VOH) × ΣIOH + VOL × ΣIOL +

ICCmax × VCC.

Note 1. The upper limit of operating temperature is 105 °C or 125 °C, depending on the product. If the part number shows the operation

temperature at 85 °C, then the maximum value of Tj is 105 °C, otherwise it is 140 °C.

2.2.2

I/O VIH, VIL

Table 2.4

I/O VIH, VIL

Conditions: VCC = AVCC0 = 1.6 to 3.6 V

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions

Schmitt trigger

input voltage

IIC (SDA0_A,

SCL0_A)/I3C (except

for SMBus)*1

VIH

VCC × 0.7

—

5.8

—

VIL

—

VCC × 0.3

ΔVT

VCC × 0.10

—

VCC = 2.7 V to 3.6 V

VCC × 0.05

—

VCC = 1.6 V to2.7 V

RES, NMI Other

peripheral input

pins excluding

IIC (SDA0_A,

SCL0_A)/I3C

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

ΔVT

VCC × 0.10

—

VCC = 2.7 V to 3.6 V

VCC × 0.05

—

VCC = 1.6 V to 2.7 V

Input voltage

except for

Schmitt trigger

input pin

IIC/I3C (SMBus)*2

VIH

2.0

—

VCC = 1.8 to 3.6 V

VIL

—

0.5

VCC = 1.8 to 3.6 V

5V-tolerant ports*3

VIH

VCC × 0.8

—

5.8

—

VIL

—

VCC × 0.2

P000 to P004, P010,

P011

VIH

AVCC0 × 0.8

—

VIL

—

AVCC0 × 0.2

Input port pins except

for P000 to P004,

P010, P011

VIH

VCC × 0.8

—

VIL

—

VCC × 0.2

Note 1. SCL0_A, SDA0_A, I3C_SCL, I3C_SDA (total 4 pins)

Note 2. SCL0_A, SDA0_A, SCL0_B, SDA0_B, I3C_SCL, I3C_SDA (total 6 pins)

Note 3. P400, P401, P407, P301, P302 (total 5 pins)

2.2.3

I/O IOH, IOL

Table 2.5

I/O IOH, IOL (1 of 8)

Conditions: VCC = AVCC0 = 1.6 to 3.6 V

Parameter

Symbol

Min

Typ

Max

Unit

Test

conditions

Permissible output current (average value per pin)

IOH

—

−4.0

IOL

—

8.0

Permissible output current (max value per pin)

IOH

—

−4.0

IOL

—

8.0

RA4L1 Datasheet

2. Electrical Characteristics

R01DS0447EJ0131 Rev.1.31

May 26, 2026

Page 26 of 125

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