2. Electrical Characteristics
2.1 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) -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 ATECC608A is fabricated with Microchip’s high reliability CMOS EEPROM manufacturing
technology.
Table 2-1. EEPROM Reliability
Parameter
Min Typical 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
t
LIGNORE
t
HIGNORE
Noise
Suppresion
t
WLO
t
WHI
ATECC608A
Electrical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Summary
DS40001977B-page 6