HD64F3437TF16 Datasheet, PDF (594/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

Table 23.5 Allowable Output Current Values (5-V and 4-V Versions)
Conditions: V_CC = 4.0 V to 5.5 V, V_CCB = 4.0 V to 5.5 V, AV_CC = 4.0 V to 5.5 V, AV_ref = 4.0 V
to AV_CC, V_SS = AV_SS = 0 V, Ta = –20˚C to +75˚C (regular specifications),
Ta = –40˚C to +85˚C (wide-range specifications)
Item
Symbol Min Typ Max Unit
Allowable output low
current (per pin)
SCL, SDA, PA₄ to PA₇ I_OL
(bus drive selection)
—
—
20
mA
Ports 1 and 2
—
—
10
RESO
—
—
3
Other output pins
—
—
2
Allowable output low
Ports 1 and 2, total
ΣI_OL
current (total)
Total of all output
—
—
80
mA
—
—
120
Allowable output high
current (per pin)
All output pins
–I _OH
—
—
2
mA
Allowable output high Total of all output
Σ–I_OH
—
—
40
mA
current (total)
565