HD6432142 datasheet(918/1177 Pages) RENESAS

918 / 1177 page

Section 26 Electrical Characteristics

Rev. 4.00 Sep 27, 2006 page 874 of 1130

REJ09B0327-0400

Table 26.46 Permissible Output Currents

Conditions: V

CC = 4.0 V to 5.5 V, VSS = 0 V, Ta = –20 to +75°C (regular specifications),

a = –40 to +85°C (wide-range specifications)

Item

Symbol

Min

Typ

Max

Unit

Permissible output

low current (per pin)

PA7 to PA4 (bus drive

function selected)

——

Ports 1, 2, 3

—

RESO

——

Other output pins

—

Total of ports 1, 2, and 3

∑ I

——

Permissible output

low current (total)

Total of all output pins,

including the above

—

120

Permissible output

high current (per pin)

All output pins

–I

——

Permissible output

high current (total)

Total of all output pins

∑ –I

——

Conditions: V

CC = 2.7 V to 5.5 V (mask ROM version), VCC = 3.0 V to 5.5 V (F-ZTAT version),

SS = 0 V, Ta = –20 to +75°C

Item

Symbol

Min

Typ

Max

Unit

Permissible output

low current (per pin)

PA7 to PA4 (bus drive

function selected)

——

Ports 1, 2, 3

—

RESO

——

Other output pins

—

Total of ports 1, 2, and 3

∑ I

——

Permissible output

low current (total)

Total of all output pins,

including the above

——

Permissible output

high current (per pin)

All output pins

–I

——

Permissible output

high current (total)

Total of all output pins

∑ –I

——

Notes: 1. To protect chip reliability, do not exceed the output current values in table 26.46.

2. When driving a Darlington pair or LED, always insert a current-limiting resistor in the

output line, as show in figures 26.1 and 26.2.

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