Motorola MC68020 User Manual

10-4 M68020 USER’S MANUAL MOTOROLA
MC68020 DC Electrical Characteristics
(V
CC
= 5.0 V
dc
± 5%; GND = 0 V
dc
; Temperature within defined ranges)
Characteristics Symbol Min Max Unit
Input High Voltage V
IH
2.0 V
CC
V
Input Low Voltage V
IL
GND
–0.5
0.8 V
Input Leakage Current
GND ≤ V
in
≤ V
CC
BERR, BR , BGACK, CLK, IPL2–IPL0 ,
AVEC ,DSACK1, DSACK0, CDIS
HALT
, RESET
I
in
–1.0
–20
1.0
20
µA
Hi-Z (Off-State) Leakage Current
@ 2.4 V/0.5 V
A31–A0, AS, DBEN, DS, D31–D0, FC2 –
FC0, R/W
, RMC, SIZ1–SIZ0
I
TSI
–20 20
µA
Output High Voltage
I
OH
= 400 µA
A31–A0, AS, BG, D31–D0, DBEN, DS,
R/W,
ECS, IPEND, RMC, SIZ1–SIZ0, FC2–FC0
V
OH
2.4 —
V
Output Low Voltage
I
OL
= 3.2 mA
I
OL
= 5.3 mA
I
OL
= 2.0 mA
I
OL
= 10.7 mA
A31–A0, FC2–FC0, SIZ1–SIZ0, BG, D31–0
AS
, DS , R/W, RMC , DBEN, IPEND,
ECS , OCS
HALT
, RESET
V
OL
—
—
—
—
0.5
0.5
0.5
0.5
V
Power Dissipation (T
A
= 0°C) P
D
— 2.0 W
Capacitance (see Note)
V
in
= 0 V, T
A
= 25˚C, f = 1
MHz
C
in
— 20 pF
Load Capacitance ECS, OCS
All Other
C
L
—
—
50
130
pF
NOTE: Capacitance is periodically sampled rather than 100% tested.
10.2.2 MC68EC020 Thermal Characteristics and DC Electrical
Characteristics
MC68EC020 Thermal Resistance (°C/W)
The following table provides thermal resistance characteristics for junction to ambient and
junction to case for the MC68EC020 packages with natural convection and no heatsink.
Characteristic – Natural Convection and No Heatsink θ
JA
θ
JC
Thermal Resistance
PPGA Package (RP Suffix)
PQFP Package (FG Suffix)
32
53
10
18
MC68EC020 PQFP Package
Table 10-4 provides typical and worst case thermal characteristics for the MC68EC020
PQFP package without a heatsink.
Table 10-4. θ
JA
vs. Airflow—MC68EC020 PQFP Package
Airflow in Linear Feet/Minute
θ
JA
0* 50 100 200 300 400
Maximum—No Heatsink 53 49 45 41 38 36
Typical—No Heatsink 51 47 43 39 37 35

Motorola MC68020 Specifications

General

Brand	Motorola
Model	MC68020
Category	Computer Hardware
Language	English