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ATECC508A Datasheet(PDF) 54 Page - Microchip Technology

Part # ATECC508A
Description  Cryptographic Co-processor with Secure Hardware-Based Key Storage
PDF  109 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATECC508A Datasheet(HTML) 54 Page - Microchip Technology

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Figure 8-4. VIH and VIL in Sleep and Idle Mode or When TTLenable = 0 on All I/O Interfaces
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
VIH_sleep
VIL_sleep
VIH_Act
VIL_Act
When a common voltage is used for the ATECC508A VCC pin and the input pull-up resistor, then the
TTLenable bit should be set to a one, which permits the input thresholds to track the supply as shown in
Figure 8-5.
Figure 8-5. VIH and VIL When Active and TTLenable = 1 on All I/O Interfaces
0.4
0.9
1.4
1.9
2.4
2.9
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
VIH_Act
VIL_Act
ATECC508A
Electrical Characteristics
© 2017 Microchip Technology Inc.
Datasheet Complete
DS20005927A-page 54



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