AT87C5103-ICSIL datasheet(55/64 Pages) ATMEL

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AT8xC5103

4134C–8051–09/04

Electrical Characteristics

Absolute Maximum Ratings(1)

Power Consumption

Measurement

Since the introduction of the first C51 device, every manufacturer made operating ICC

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 more active during reset, so the

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

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

new way to measure the operating ICC:

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

Label:

SJMP Label (80 FE)

Ports 1 and 4 are disconnected, RST = VCC, XTAL2 is not connected and XTAL1 is

driven by the clock.

This is much more representative of the real operating ICC.

Ambiant Temperature Under Bias:

A = automotive................................................. -40

°C to 125°C

Storage Temperature ................................... -55

°C to + 150°C

Voltage on VCC to VSS..........................................-0.5V to + 6V

Voltage on Any Pin to VSS..........................-0.5V to VCC + 0.5V

*NOTICE:

Stresses at or above those listed under “Abso-

lute 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 other conditions above those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions may affect device reliability.

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