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DS87C550 Datasheet, PDF (34/50 Pages) Dallas Semiconductor – EPROM High-Speed Micro with A/D and PWM
ELECTRICAL SPECIFICATIONS
DS87C550
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Voltage on VCC Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to (VCC +0.5V)
-0.3V to 6.0V
-40°C to +85°C
-55°C to +125°C
160°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 ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Supply Voltage
VCC
4.5
Power-fail Warning
VPFW
4.25
Minimum Operating Voltage
VRST
4.0
Supply Current Active Mode
ICC
Supply Current Idle Mode
IIDLE
Supply Current Stop Mode
Supply Current Stop Mode
W Band-gap
ISTOP
ISPBG
Input Low Level
VIL
-0.3
Input High Level
VIH
2.0
Input High Level XTAL2 and
VIH2
3.5
RST
Output Low Voltage Ports 1,
3, 4, 5, 6 @ IOL = 1.6 mA
VOL1
Output Low Voltage Ports 0,
VOL2
2, ALE , PSEN
@ IOL = 3.2 mA
Output High Voltage Ports 1,
VOH1
2.4
2, 3, 4, 6, ALE, PSEN
@ IOH = -50 µA
Output High Voltage Ports 1,
VOH2
2.4
2, 3, 4, 6, @ IOH = -1.5 mA
Output High Voltage Ports 0,
VOH3
2.4
2, 5,
ALE, PSEN in Bus Mode
IOH = -8 mA
Input Low Current Ports 1, 2,
IIL
3 @ 0.45V
Transition Current from 1 to 0
ITL
Ports 1, 2, 3 @ 2V
Input Leakage Port 0, 5 and
IL
-10
EA
TYP
5.0
4.38
4.13
30
15
1
100
0.15
0.15
MAX
5.5
4.5
4.25
UNITS
V
V
V
mA
mA
µA
µA
NOTES
1
1
1
2
3
4
4
+0.8
V
1
VCC+0.3
V
1
VCC+0.3
V
1
0.45
V
1
0.45
V
1
V
1, 6
V
1, 7
V
1, 5
-55
µA
11
-650
µA
8
+10
µA
10
34 of 50