ht827a0 Holtek Semiconductor Inc., ht827a0 Datasheet - Page 6

• Manufacturer Part Number: ht827a0
• Description: 8-bit Microcontroller With Voice Rom
• Manufacturer: Holtek Semiconductor Inc.

D.C. Characteristics
Symbol
V
I
I
I
I
V
V
V
V
I
I
I
I
R
I
DD1
DD2
STB1
STB2
OL1
OH1
OL2
OH2
O
DD
IL
IH
IL1
IH1
PH
Standby Current (WDT Enabled)
Standby Current (WDT Disabled)
Input Low Voltage for I/O Ports
Input High Voltage for I/O Ports
Input Low Voltage
(RES, TMR, INT)
Operating Voltage
Operating Current (Crystal OSC)
Operating Current (RC OSC)
Input High Voltage
(RES, TMR, INT)
I/O Port Sink Current
(PA, PC, PD, PE)
I/O Port Source Current
(PA, PC, PD, PE)
PB Sink Current
PB Source Current
Pull-high Resistance of I/O Ports
& INT
Max. AUD Output Current
Parameter
V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
¾
DD
Test Conditions
6
No load,
f
No load,
f
No load,
system Halt
No load,
system Halt
V
V
V
V
V
V
V
V
V
V
Conditions
SYS
SYS
OL
OL
OH
OH
OL
OL
OH
OH
OH
OH
=4MHz
=4MHz
=0.3V
=0.5V
=0.3V
=0.5V
=2.7V
=4.5V
=2.7V
=4.5V
=0.6V
=0.6V
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Min.
-0.5
-1.5
-3.5
2.4
2.4
4.0
2.4
4.0
20
25
10
¾
¾
¾
¾
¾
¾
¾
¾
-1
-2
-1
0
0
0
0
2
6
6
Typ. Max. Unit
-1.5
1.5
1.5
2.5
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
10
-4
10
25
-1
-2
50
30
-2
-4
3
4
March 15, 2000
100
5.2
0.6
1.0
0.6
1.0
HT827A0
10
20
60
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
3
5
3
5
3
5
3
5
3
5
Ta=25°C
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
kW
kW
V
V
V
V
V
V
V
V
V