Datasheet

DS2250(T)
8 of 18
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +7.0V
Operating Temperature Range………………………………………………………………...0°C to +70°C
Storage Temperature………………………………………………………………………...-40°C to +70°C
Soldering Temperature………………………………………………………………+260°C for 10 seconds
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect
reliability.
DC CHARACTERISTICS
(V
CC
= 5V ±5%, T
A
= 0°C to +70°C.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Low Voltage V
IL
-0.3 +0.8 V 1
Input High Voltage V
IH1
2.0 V
CC
+0.3 V 1
Input High Voltage RST, XTAL1 V
IH2
3.5 V
CC
+0.3 V 1
Output Low Voltage
@ I
OL
=1.6 mA (Ports 1, 2, 3)
V
OL1
0.15 0.45 V
Output Low Voltage
@ I
OL
=3.2 mA (Ports 0, ALE, PSEN )
V
OL2
0.15 0.45 V 1
Output High Voltage
@ I
OH
=-80 µA (Ports 1, 2, 3)
V
OH1
2.4 4.8 V 1
Output High Voltage
@ I
OH
=-400 µA (Ports 0, ALE, PSEN )
V
OH2
2.4 4.8 V 1
Input Low Current V
IN
= 0.45V
(Ports 1, 2, 3)
I
IL
-50
µA
Transition Current; 1 to 0
V
IN
=2.0V (Ports 1, 2, 3)
I
TL
-500
µA
Input Leakage Current
0.45 < V
IN
< V
CC
(Port 0)
I
L
±10 µA
RST, EA Pulldown Resistor
R
RE
40 125
kΩ
Stop Mode Current I
SM
80
µA
4
Power Fail Warning Voltage V
PFW
4.15 4.6 4.75 V 1
Minimum Operating Voltage V
CCmin
4.05 4.5 4.65 V 1
Programming Supply Voltage
(Parallel Program Mode)
V
PP
12.5 13 V 1
Program Supply Current I
PP
15 20 mA
Operating Current DS2250-8k
DS2250-32k @ 12 MHz
DS2250(T)-64-16 @ 16 MHz
I
CC
43
48
54
mA 2
Idle Mode Current @ 8 MHz I
CC
6.2 mA 3