HD6433044 Datasheet, PDF (664/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

21.2 Electrical Characteristics of Masked ROM and PROM Versions
21.2.1 DC Characteristics
Table 21-2 lists the DC characteristics. Table 21-3 lists the permissible output currents.
Table 21-2 DC Characteristics
Conditions: V_CC = 5.0 V ± 10%, AV_CC = 5.0 V ± 10%, V_REF = 4.5 V to AV_CC,
V_SS = AV_SS = 0 V*, T_a = –20°C to +75°C (regular specifications),
T_a = –40°C to +85°C (wide-range specifications)
Item
Symbol Min
Typ
Max
Unit Test Conditions
Schmitt
trigger input
voltages
Input high
voltage
Port A,
P8₀ to P8₂,
PB₀ to PB₃
RES, STBY,
NMI, MD₂ to
MD₀
EXTAL
Port 7
V_T–
1.0
—
V_T+
—
—
V_T+ – V_T– 0.4
—
V_IH
V_CC – 0.7 —
V_CC × 0.7 —
2.0
—
Input low
voltage
Output high
voltage
Ports 1, 2, 3,
4, 5, 6, 9,
P8₃, P8₄,
PB₄ to PB₇
RES, STBY, V_IL
MD₂ to MD₀
NMI, EXTAL,
ports 1, 2, 3,
4, 5, 6, 7, 9,
P8₃, P8₄,
PB₄ to PB₇
All output pins V_OH
(except RESO)
2.0
—
–0.3
—
–0.3
—
V_CC – 0.5 —
3.5
—
Output low All output pins V_OL
—
—
voltage
(except RESO)
—
V
V_CC × 0.7 V
—
V
V_CC + 0.3 V
V_CC + 0.3 V
AV_CC + 0.3 V
V_CC + 0.3 V
0.5
V
0.8
V
—
V I_OH = –200 µA
—
V I_OH = –1 mA
0.4
V I_OL = 1.6 mA
Ports 1, 2,
5, and B
—
—
1.0
V
I_OL = 10 mA
RESO
—
—
0.4
V I_OL = 2.6 mA
Note: * If the A/D and D/A converters are not used, do not leave the AV_CC, AV_SS, and V_REF pins
open. Connect AV_CC and V_REF to V_CC, and connect AV_SS to V_SS.
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