Rainbow Electronics ATAR862-8 - 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