Datasheet
Section 26 Electrical Characteristics 
Page 1290 of 1408    R01UH0309EJ0500 Rev. 5.00 
 Sep 24, 2012 
H8S/2456, H8S/2456R, H8S/2454 Group
26.1.2  DC Characteristics 
Table 26.2  DC Characteristics (1) 
Conditions: V
CC
 = 3.0 V to 3.6 V, AV
CC
 = 3.0 V to 3.6 V, V
ref
 = 3.0 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 
Port 1
*
6
, port 2
*
6
, 
P32 to P35
*
2
, 
P50 to P53
*
2
, 
port 6
*
2
, port 8
*
2
, 
PA4 to PA7
*
2
, 
port B
*
2
, 
port 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
, 
P25
*
5
, P26
*
5
, 
port 3
*
3
, 
P50 to P53
*
3
, 
ports 6
*
3
 and 8
*
3
, 
ports A to J
*
3
 2.2 ⎯ V
CC
 +0.3 V   
  Port 4, Port 9    2.2  ⎯ 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
, 
P25
*
5
, 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 
Port 4, Port 9 
V
IL
−0.3  ⎯ AV
CC
 +0.2 V   










