Datasheet

Philips Semiconductors Product specification
80C51/87C51/80C52/87C52
80C51 8-bit microcontroller family
4 K/8 K OTP/ROM low voltage (2.7 V–5.5 V),
low power, high speed (33 MHz), 128/256 B RAM
2000 Aug 07
21
ABSOLUTE MAXIMUM RATINGS
1, 2, 3
PARAMETER
RATING UNIT
Operating temperature under bias 0 to +70 or –40 to +85 °C
Storage temperature range –65 to +150 °C
Voltage on EA/V
PP
pin to V
SS
0 to +13.0 V
Voltage on any other pin to V
SS
–0.5 to +6.5 V
Maximum I
OL
per I/O pin 15 mA
Power dissipation (based on package heat transfer limitations, not device power consumption) 1.5 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 V
SS
unless otherwise
noted.
AC ELECTRICAL CHARACTERISTICS
T
amb
= 0°C to +70°C or –40°C to +85°C
CLOCK FREQUENCY
RANGE –f
SYMBOL FIGURE PARAMETER MIN MAX UNIT
1/t
CLCL
29 Oscillator frequency
Speed versions : S (16 MHz)
U (33 MHz)
0
0
16
33
MHz
MHz