Datasheet
Section 20 Electrical Characteristics 
Rev.7.00 Feb. 14, 2007  page 817 of 1108 
REJ09B0089-0700 
Section 20 Electrical Characteristics 
20.1  Electrical Characteristics of Mask ROM Version (H8S/2319, 
H8S/2318, H8S/2317S, H8S/2316S, H8S/2315, H8S/2314) and 
ROMless Version (H8S/2312S) 
20.1.1  Absolute Maximum Ratings 
Table 20.1 lists the absolute maximum ratings. 
Table 20.1  Absolute Maximum Ratings 
Item Symbol Value  Unit 
Power supply voltage  V
CC
  –0.3 to +4.3  V 
Input voltage (except port 4)  V
in
  –0.3 to V
CC
 +0.3  V 
Input voltage (port 4)  V
in
  –0.3 to AV
CC
 +0.3  V 
Reference power supply voltage  V
ref
  –0.3 to AV
CC
 +0.3  V 
Analog power supply voltage  AV
CC
  –0.3 to +4.3  V 
Analog input voltage  V
AN
  –0.3 to AV
CC
 +0.3  V 
Operating temperature  T
opr
  Regular specifications: –20 to +75  °C 
    Wide-range specifications: –40 to +85  °C 
Storage temperature  T
stg
  –55 to +125  °C 
Caution: Permanent damage to the chip may result if absolute maximum ratings are exceeded. 










