2.

Electrical Characteristics

2.1

Absolute Maximum Ratings

Operating Temperature

-40°C to +100°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)

-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 conditions beyond

those indicated in the operational sections of this specification are not implied. Exposure to absolute maximum rating

conditions for extended periods may affect device reliability.

2.2

Reliability

The ATECC608B is fabricated with Microchip’s high reliability CMOS EEPROM manufacturing technology.

Table 2-1. EEPROM Reliability

Parameter

Min.

Typ.

Max.

Units

Write Endurance at +85°C (Each Byte)

400,000

—

—

Write Cycles

Data Retention at +55°C

10

—

—

Years

Data Retention at +35°C

30

50

—

Years

Read Endurance

Unlimited

Read Cycles

2.3

AC Parameters: All I/O Interfaces

Figure 2-1. AC Timing Diagram: All Interfaces

Data Comm

Wake

tLIGNORE

tHIGNORE

Noise

Suppresion

tWLO

tWHI

ATECC608B

Electrical Characteristics

© 2020 Microchip Technology Inc.

Summary Datasheet

DS40002239A-page 6