AT83C5111 datasheet(71/86 Pages) ATMEL

71 / 86 page

AT8xC5111

4190A–8051–11/02

Electrical Characteristics

Absolute Maximum Ratings (1)

Power Consumption

Measurement

Since the introduction of the first C51 devices, every manufacturer made operat ing I

measurements under reset, which made sense for the designs were the CPU was run-

ning under reset. In our new devices, the CPU is no longer active during reset, so the

power consumption is very low but is not really representat ive of what will happen in the

customer system. That ’s why, while keeping measurements under Reset, we present a

new way to measure the operat ing I

CC:

Using an internal test ROM, the following code is executed:

Label:

SJMP Label (80 FE)

Ports 1, 3, 4 are disconnected, RST = V

CC, XTAL2 is not connected and XTAL1 is driven

by the clock.

This is much more representat ive of the real operat ing I

CC.

C = Commercial.................................................... 0

°C to 70°C

I = Industrial ....................................................... -40

°C to 85°C

Storage Temperat ure .................................... -65

°C to +150°C

Voltage on V

CC to VSS ...........................................-0.5V to +7V

Voltage on V

PP to VSS .........................................-0.5V to +13V

Voltage on Any Pin to V

SS...................................... -0.5V to VCC +0.5V

Power Dissipat ion .......................................................... 1 W

(2)

Notes:

Stresses at or above those listed under “ Absolute

Maximum Rat ings” may cause permanent dam-

age to the device. This is a stress rat ing only and

functional operat ion of the device at these or any

other conditions above those indicat ed in the

operat ional sections of this specificat ion is not

implied. Exposure to absolute maximum rat ing

conditions may affect device reliability.

2. This value is based on the maximum allowable

die temperat ure and the thermal resistance of the

package.

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