Datasheet
Section 25 Electrical Characteristics 
Page 1282 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
25.4.2  DC Characteristics 
Table 25.27  DC Characteristics (1) 
Conditions: V
CC
 = 4.5 V to 5.5 V, AV
CC
 = 4.5 V to 5.5 V, V
ref
 = 4.5 V to AV
CC
, 
V
SS
 = AV
SS
 = 0 V*
1
Item  Symbol Min. Typ. Max. Unit 
Test 
Conditions 
VT
−
 V
CC
 × 0.2  ⎯  ⎯ V  
VT
+
  ⎯  ⎯ V
CC
 × 0.7  V   
Schmitt 
trigger input 
voltage 
Ports 1*
6
 and 2*
6
, 
P32 to P35*
2
, 
P50 to P53*
2
, 
ports 6*
2
 and 8*
2
, 
PA4 to PA7*
2
, 
ports B*
2 
and C*
2
, 
PF1*
2
, PF2*
2
, 
PH2*
2
, PH3*
2
VT
+
 − VT
−
 V
CC
 × 0.07  ⎯  ⎯ V  
Input high 
voltage 
STBY, 
MD2 to MD0 
V
IH
 V
CC
 × 0.9  ⎯ V
CC
 +0.3 V   
  RES, NMI, FWE    V
CC
 × 0.9  ⎯ V
CC
 +0.3 V   
 EXTAL  V
CC
 × 0.7  ⎯ V
CC
 +0.3 V   
  P14 to P17*
5
, 
P24 to P26*
5
, 
port 3*
3
, 
P50 to P53*
3
, 
ports 6*
3
 and 8*
3
, 
ports A to J*
3
 V
CC
 × 0.8  ⎯ V
CC
 +0.3 V   
  Ports 4 and 9    V
CC
 × 0.8  ⎯ AV
CC
 +0.3 V   
RES, STBY, 
MD2 to MD0, 
EMLE 
−0.3  ⎯ V
CC
 × 0.1  V 
NMI, EXTAL  −0.3  ⎯ V
CC
 × 0.2  V 
P14 to P17*
5
, 
P24 to P26*
5
, 
ports 3*
3
, 5*
3
, 
and 6*
3
, 
port 8*
3
, 
ports A to J*
3
−0.3  ⎯ V
CC
 × 0.2  V 
Input low 
voltage 
Ports 4 and 9 
V
IL
−0.3  ⎯ AV
CC
 × 0.2  V 










