HD64F3437TF16 Datasheet, PDF (608/752 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.

23.3 Absolute Maximum Ratings (H8/3437SF Low-Voltage Version)
Table 23.16 lists the absolute maximum ratings.
Table 23.16 Absolute Maximum Ratings
Item
Symbol Value
Unit
Supply voltage
V_CC
- 0.3 to + 7.0
V
Input output Buffer for Supply
V_CCB
- 0.3 to + 7.0
V
voltage
Input voltage
V_in
- 0.3 to V_CC + 0.3
V
(except port 7, P86, P97,
PA7 to PA4)
Input voltage
V_in
- 0.3 to V_CCB + 0.3
V
(P86, P97, PA7 to PA4)
Input voltage (Port 7)
V_in
- 0.3 to AV_CC + 0.3
V
Reference supply voltage
AV_ref
- 0.3 to AV_CC + 0.3
V
Analog supply voltage
AV_CC
- 0.3 to + 7.0
V
Analog input voltage
V_AN
- 0.3 to AV_CC + 0.3
V
Operating temperature
T_opr
- 20 to + 75
°C
Storage temperature
T_stg
- 55 to + 125
°C
Caution: Exceeding the absolute maximum ratings shown in table above can permanently destroy
the chip.
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