
Electrical Characteristics
MOTOROLA
MC68SC302 USER’S MANUAL
7-3
Input High Voltage (EXTAL)
V
CIH
V
CIL
-
I
IN
C
IN
0.8*V
DD
V
SS
–0.3
–
V
DD
+0.3
V
Input Low Voltage (EXTAL)
0.6
V
Input Undershoot Voltage
–0.8
V
Input Leakage Current
–
20
μ
A
Input Capacitance All Pins
–
20
pF
Three-State Leakage Current, including Open Drain
outputs when not driving Low level.
Output High Voltage (I
OH
=–400[
μ
A])
Output Low Voltage
(I
OL
=3.2 mA) PA[0–15],
SCPTxD,SCPCLK,
L1GRNT,L1RQ,CLKO
(I
OL
=5.0 mA) L1TxD,TxD
(I
OL
=7.0 mA) L1TxD,TxD
(I
OL
=9.0 mA) PCMCIA mode:
PC_D[0–15],
IRQSEL,IRQO,PC_IREQ
PC_STSCHG,PC_WAIT,PC_CISCS
(I
OL
=24.0 mA) ISA mode:
SD[0–15],
IRQSEL,IRQO,IRQ3
IOCS16,IOCHRDY,MEMCS16
I
TSL
-
20
μ
A
V
OH
2.4
-
V
V
OL
V
OL
V
OL
V
OL
V
OL
-
-
-
-
-
0.5
0.5
0.6
0.5
0.5
V
Output Drive CLKO
Output Drive All Other Pins
O
CLK
O
ALL
V
DD
V
SS
-
-
50
100
pF
pF
Power
4.75
5.25
V
Common
0
0
V
Table 7-1. DC Electrical Characteristics (V
CC
= 5.0V
±
5% )