5
Z08617 NMOS Z8
®
8-B
IT
MCU
K
EYBOARD
C
ONTROLLER
DC CHARACTERISTICS
V
CC
= 4.75V to 5.25V @ 0
°
C to -55
°
C
Sym
Parameter
Min
Max
Typ*
Unit
Condition
V
IH
Input High Voltage
2.0
V
CC
V
V
IL
Input Low Voltage
–0.3
0.8
V
V
RH
Reset Input High Voltage
3.8
V
CC
V
V
RL
Reset Input Low Voltage
–0.3
0.8
V
V
OH
Output High Voltage
2.0
V
I
OH
= –250
µ
A (Port 2 only)
Output High Voltage
2.4
V
I
OH
= –250
µ
A (Port 3 only)
V
OL
Output Low Voltage
0.8
V
I
OL
= 10.0 mA (See note [1] below.)
I
IL
Input Leakage
–10
10
µ
A
V
IN
= 0V, 5.25V (See note [3] below.)
I
OL
Output Leakage
–10
10
µ
A
V
IN
= 0V, 5.25V (See note [2] below.)
I
IR
Reset Input Current
–335
–775
–477
µ
A
V
IN
= 0V, 5.25V
I
R1
Input Current
–335
–775
µ
A
Pull-up resistor=10.4 Kohms, V
IN
=0.0V
I
R2
Input Current
–1.6
–2.9
mA
Pull-up resistor = 2.4 Kohms, V
IN
=0.0V
I
CC
V
CC
Supply Current
160
mA
WDT
Watch-Dog Timer
2.0
mA
V
OL
=0.4 Volt
Notes:
* Typical @ 25
°
C
[ 1 ] Ports P37-P34 may be used to sink 12 mA. These may be used
for LEDs or as general-purpose outputs requiring high sink
current.
[ 2 ] P00-P07, P10-P17, P20-P25, P30-P33 as output mode open-
drain as a logic one.
[ 3 ] P00-P07, P10-P17, P20-P25, P30-P33 as output mode open-
drain as a logic one.