DS2252T View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2252T Datasheet PDF : 14 Pages
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DS2252T
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
* 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
SYMBOL MIN
Input Low Voltage
VIL
–0.3
Input High Voltage
VIH1
2.0
Input High Voltage (RST, XTAL1,
VIH2
3.5
PROG)
Output Low Voltage
@ IOL=1.6 mA (Ports 1, 2, 3)
VOL1
Output Low Voltage
@ IOL=3.2 mA (Ports 0, ALE)
VOL2
Output High Voltage
@ IOH=–80 µA (Ports 1, 2, 3)
VOH1
2.4
Output High Voltage
VOH2
2.4
@ IOH=–400 µA (Ports 0, ALE)
Input Low Current VIN=0.45V
IIL
(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 Pulldown Resistor
Power Fail Warning Voltage
Minimum Operating Voltage
Operating Current @ 16 MHz
Idle Mode Current @ 12 MHz
Stop Mode current
Pin Capacitance
Reset Trip Point in Stop Mode
w/BAT=3.0V
w/BAT=3.3V
ITL
IIL
RRE
VPRW
VCCMIN
ICC
IIDLE
ISTOP
CIN
40
4.25
4.00
4.0
4.4
SDI Input Low Voltage
SDI Input High Voltage
SDI Input High Voltage
SDI Pull–Down Resistor
VILS
VIHS
2.0
VIHS
2.0
RSDI
25
(tA=0°C to 70°C; VCC=5V ± 10%)
TYP
MAX
UNITS NOTES
+0.8
V
1
VCC+0.3
V
1
VCC+0.3
V
1
0.15
0.45
V
1
0.15
0.45
V
1
4.8
V
1
4.8
V
1
–50
µA
–500
µA
±10
µA
150
KΩ
4.37
4.50
V
1
4.12
4.25
V
1
45
mA
4
7.0
mA
5
80
µA
6
10
pF
7
V
1
4.25
4.65
0.4
V
1
VCC
V
1, 2
3.5
V
1, 2
60
KΩ
121395 8/14
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