Atar862-8, Dc operating characteristics (continued) – Rainbow Electronics ATAR862-8 User Manual
Page 95

95
ATAR862-8
4589B–4BMCU–02/03
Note:
The Pin BP20/NTE has a static pull-up resistor during the reset-phase of the microcontroller.
Power-on Reset Threshold Voltage
POR threshold voltage
BOT = 1
V
POR
1.6
1.7
1.8
V
POR threshold voltage
BOT = 0
V
POR
1.85
2.0
2.15
V
POR hysteresis
V
POR
50
mV
Voltage Monitor Threshold Voltage
VM high threshold voltage
V
DD
> VM, VMS = 1
V
MThh
2.75
3.0
3.25
V
VM high threshold voltage
V
DD
< VM, VMS = 0
V
MThh
3.0
V
VM middle threshold voltage
V
DD
> VM, VMS = 1
V
MThm
2.36
2.6
2.8
V
VM middle threshold voltage
V
DD
< VM, VMS = 0
V
MThm
2.6
V
VM low threshold voltage
V
DD
> VM, VMS = 1
V
MThl
1.97
2.2
2.4
V
VM low threshold voltage
V
DD
< VM, VMS = 0
V
MThl
2.2
V
External Input Voltage
VMI
V
DD
= 3 V, VMS = 1
V
VMI
1.3
1.4
V
VMI
V
DD
= 3 V, VMS = 0
V
VMI
1.2
1.3
V
All Bi-directional Ports
Input voltage LOW
V
DD
= 1.8 to 6.5 V
V
IL
V
SS
0.2
´
V
DD
V
Input voltage HIGH
V
DD
= 1.8 to 6.5 V
V
IH
0.8
´
V
DD
V
DD
V
Input LOW current
(switched pull-up)
V
DD
= 2.0 V,
V
DD
= 3.0 V, V
IL
= V
SS
I
IL
-1.4
-7
-4
-20
-12
-40
µA
µA
Input HIGH current
(switched pull-down)
V
DD
= 2.0 V,
V
DD
= 3.0 V, V
IH
= V
DD
I
IH
1.4
7
4
20
12
40
µA
µA
Input LOW current
(static pull-up)
V
DD
= 2.0 V
V
DD
= 3.0 V, V
IL
= V
SS
I
IL
-14
-60
-50
-160
-100
-320
µA
µA
Input LOW current
(static pull-down)
V
DD
= 2.0 V
V
DD
= 3.0 V, V
IH
= V
DD
I
IH
14
60
50
160
100
320
µA
µA
Input leakage current
V
IL
= V
SS
I
IL
100
nA
Input leakage current
V
IH
= V
DD
I
IH
100
nA
Output LOW current
V
OL
= 0.2
´
V
DD
V
DD
= 2.0 V
V
DD
= 3.0 V
I
OL
0.5
2
1.2
5
2.5
8
mA
mA
Output HIGH current
V
OH
= 0.8
´
V
DD
V
DD
= 2.0 V
V
DD
= 3.0 V
I
OH
-0.5
-2
-1.2
-5
-2.5
-8
mA
mA
DC Operating Characteristics (Continued)
V
SS
= 0 V, T
amb
= -40
°
C to +125
°
C unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit