ATSHA204A datasheet(35/93 Pages) MICROCHIP

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Electrical Characteristics

7.1

Absolute Maximum Ratings

Operating Temperature

−40°C to +85°C

Storage Temperature

−65°C to + 150°C

Maximum Operating Voltage

6.0V

DC Output Current

5.0 mA

Voltage on any pin

0.5V to (VCC + 0.5V)

ESD Ratings:

Human Body Model(HBM) ESD

>4kV

Charge Device Model(CDM) ESD

>1kV

Note: Stresses beyond 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 other

condition beyond those indicated in the operational sections of this specification is not implied. Exposure

to absolute maximum rating conditions for extended periods may affect device reliability.

7.2

Reliability

The ATSHA204A is fabricated with the high reliability of a Microchip CMOS EEPROM manufacturing

technology.

Table 7-1. EEPROM Reliability

Parameter

Min

Typical

Max

Units

Write Endurance (each byte at 25°C)

100,000

Write Cycles

Data Retention (at 55°C)

Years

Data Retention (at 35°C)

Years

Read Endurance

Unlimited

Read Cycles

7.3

AC Parameters — All I/O Interfaces

Figure 7-1. AC Timing Diagram — All I/O Interfaces

Data Comm

Wake

tLIGNORE

tHIGNORE

Noise

Suppresion

tWLO

tWHI

ATSHA204A

Electrical Characteristics

DS40002025A-page 35

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