DC Electrical Characteristics (Continued)
40C
≤ T
A ≤ +85C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Output Current Levels
D Outputs
Source
V
CC = 4.5V, VOH = 3.3V
0.4
mA
V
CC = 2.7V, VOH = 1.8V
0.2
mA
Sink
V
CC = 4.5V, VOL = 1.0V
10
mA
V
CC = 2.7V, VOL = 0.4V
2
mA
L Port
Source (Weak Pull-Up)
V
CC = 4.5V, VOH = 2.7V
10.0
110
A
V
CC = 2.7V, VOH = 1.8V
2.5
33
A
Source (Push-Pull Mode)
V
CC = 4.5V, VOH = 3.3V
0.4
mA
V
CC = 2.7V, VOH = 1.8V
0.2
mA
Sink (L0–L3, Push-Pull Mode)
V
CC = 4.5V, VOL = 1.0V
10.0
mA
V
CC = 2.7V, VOL = 0.4V
2
mA
Sink (L4–L7, Push-Pull Mode)
V
CC = 4.5V, VOL = 0.4V
1.6
mA
V
CC = 2.7V, VOL = 0.4V
0.7
mA
All Others
Source (Weak Pull-Up Mode)
V
CC = 4.5V, VOH = 2.7V
10.0
110
A
V
CC = 2.7V, VOH = 1.8V
2.5
33
A
Source (Push-Pull Mode)
V
CC = 4.5V, VOH = 3.3V
0.4
mA
V
CC = 2.7V, VOH = 1.8V
0.2
mA
Sink (Push-Pull Mode)
V
CC = 4.5V, VOL = 0.4V
1.6
mA
V
CC = 2.7V, VOL = 0.4V
0.7
mA
Allowable Sink Current per Pin (Note 17)
D Outputs and L0 to L3
15
mA
All Others
3mA
Maximum Input Current without Latchup (Note 15)
±200
mA
RAM Retention Voltage, Vr
2.0
V
CC Rise Time from a VCC ≥ 2.0V
(Note 18)
12
s
Input Capacitance
(Note 17)
7
pF
Load Capacitance on D2
(Note 17)
1000
pF
AC Electrical Characteristics
40C
≤ T
A ≤ +85C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Instruction Cycle Time (t
C)
Crystal/Resonator, External
4.5V
≤ V
CC ≤ 5.5V
1.0
DC
s
2.7V
≤ V
CC < 4.5V
2.0
DC
s
Internal R/C Oscillator
4.5V
≤ V
CC ≤ 5.5V
1.667
s
2.7V
≤ V
CC < 4.5V
TBD
s
R/C Oscillator Frequency Variation
4.5V
≤ V
CC ≤ 5.5V
±35
%
(Note 17)
2.7V
≤ V
CC < 4.5V
TBD
%
External CKI Clock Duty Cycle (Note 17)
fr = Max
45
55
%
Rise Time (Note 17)
fr = 10 MHz Ext Clock
12
ns
Fall Time (Note 17)
fr = 10 MHz Ext Clock
8
ns
COP8SA
Family
www.national.com
10