MOTOROLA
M68020 USERS MANUAL
10-5
MC68EC020 DC Electrical Characteristics
(VCC = 5.0 Vdc ± 5%; GND = 0 Vdc; Temperature within defined ranges)
Characteristics
Symbol
Min
Max
Unit
Input High Voltage
VIH
2.0
VCC
V
Input Low Voltage
VIL
GND
0.5
0.8
V
Input Leakage Current
GND
Vin VCC
BERR, BR, CLK, IPL2IPL0,
AVEC,DSACK1, DSACK0, CDIS,
HALT, RESET
Iin
1.0
20
1.0
20
mA
Hi-Z (Off-State) Leakage Current
@ 2.4 V/0.5 V
A23A0,
AS, DS, D31D0, FC2FC0,
R/
W, RMC, SIZ1SIZ0
ITSI
20
mA
Output High Voltage
IOH = 400 mA
A23A0,
AS, BG, D31D0, DS, R/W,
RMC, SIZ1SIZ0, FC2FC0
VOH
2.4
V
Output Low Voltage
IOL = 3.2 mA
IOL = 5.3 mA
IOL = 10.7 mA
A23A0, FC2FC0, SIZ1SIZ0,
BG, D31D0
AS, DS, R/W, RMC,
HALT, RESET
VOL
0.5
V
Power Dissipation (TA = 0°C)
f = 25 MHz
f = 16 MHz
PINT
1.5
1.2
W
Capacitance (see Note)
Vin = 0 V, TA = 25C, f = 1 MHz
Cin
20
pF
Load Capacitance
CL
130
pF
NOTE: Capacitance is periodically sampled rather than 100% tested.
10.3 AC ELECTRICAL CHARACTERISTICS
The AC specifications presented consist of output delays, input setup and hold times, and
signal skew times. All signals are specified relative to an appropriate edge of the clock and
possibly to one or more other signals.
The measurement of the AC specifications is defined by the waveforms shown in Figure
10-1. To test the parameters guaranteed by Motorola, inputs must be driven to the voltage
levels specified in Figure 10-1. Outputs are specified with minimum and/or maximum
limits, as appropriate, and are measured as shown in Figure 10-1. Inputs are specified
with minimum setup and hold times, and are measured as shown. Finally, the
measurement for signal-to-signal specifications is also shown.
Note that the testing levels used to verify conformance to the AC specifications do not
affect the guaranteed DC operation of the device as specified in the DC electrical
specifications. The 20 MHz and 33.33 MHz specifications do not apply to the
MC68EC020.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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