DS2250 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2250 Datasheet PDF : 20 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +7.0V
0°C to 70°C
-40°C to +70°C
260°C for 10 seconds
DS2250(T)
* 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
PARAMETER
Input Low Voltage
Input High Voltage
Input High Voltage RST, XTAL1
Output Low Voltage
@ IOL=1.6 mA (Ports 1, 2, 3)
Output Low Voltage
@ IOL=3.2 mA (Ports 0, ALE, PSEN )
Output High Voltage
@ IOH=-80 µA (Ports 1, 2, 3)
Output High Voltage
@ IOH=-400 µA (Ports 0, ALE, PSEN )
Input Low Current VIN = 0.45V
(Ports 1, 2, 3)
Transition Current; 1 to 0
VIN=2.0V (Ports 1, 2, 3)
Input Leakage Current
0.45 < VIN < VCC (Port 0)
RST, EA Pulldown Resistor
Stop Mode Current
Power Fail Warning Voltage
Minimum Operating Voltage
Programming Supply Voltage
(Parallel Program Mode)
Program Supply Current
Operating Current DS2250-8k
DS2250-32k @ 12 MHz
DS2250(T)-64-16 @ 16 MHz
Idle Mode Current @ 8 MHz
SYMBOL
VIL
VIH1
VIH2
VOL1
MIN
-0.3
2.0
3.5
(tA=0°C to70°C; VCC=5V ± 5%)
TYP MAX UNITS NOTES
+0.8
V
1
VCC+0.3 V
1
VCC+0.3 V
1
0.15 0.45
V
VOL2
0.15 0.45
V
1
VOH1
2.4 4.8
V
1
VOH2
2.4 4.8
V
1
IIL
-50
µA
ITL
-500
µA
IL
±10
µA
RRE
40
125
kΩ
ISM
80
µA
4
VPFW
4.15 4.6
4.75
V
1
VCCmin
4.05 4.5
4.65
V
1
VPP
12.5
13
V
1
IPP
15
20
mA
ICC
43
mA
2
48
54
ICC
6.2
mA
3
10 of 20
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