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P89C51 View Datasheet(PDF) - Philips Electronics

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P89C51 Datasheet PDF : 39 Pages
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Philips Semiconductors
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
Product data
89C51/89C52/89C54/89C58
ABSOLUTE MAXIMUM RATINGS1, 2, 3
PARAMETER
Operating temperature under bias
Storage temperature range
Voltage on EA/VPP pin to VSS
Voltage on any other pin to VSS
Maximum IOL per I/O pin
Power dissipation (based on package heat transfer limitations, not device power consumption)
RATING
0 to +70 or –40 to +85
–65 to +150
0 to +13.0
–0.5 to +6.5
15
1.5
UNIT
°C
°C
V
V
mA
W
NOTES:
1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any conditions other than those described in the AC and DC Electrical Characteristics section
of this specification is not implied.
2. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maximum.
3. Parameters are valid over operating temperature range unless otherwise specified. All voltages are with respect to VSS unless otherwise noted.
AC ELECTRICAL CHARACTERISTICS
Tamb = 0°C to +70°C or –40°C to +85°C
SYMBOL
PARAMETER
1/tCLCL
Oscillator frequency
CLOCK FREQUENCY
RANGE –f
MIN
MAX
0
33
UNIT
MHz
2002 Jan 15
27
 

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