Datasheet
Table Of Contents
- Features
- Applications
- Pin Configuration and Pinouts
- Table of Contents
- 1. Introduction
- 2. Electrical Characteristics
- 3. Compatibility
- 4. Package Marking Information
- 5. Package Drawings
- 6. Revision History
- The Microchip Web Site
- Customer Change Notification Service
- Customer Support
- Product Identification System
- Microchip Devices Code Protection Feature
- Legal Notice
- Trademarks
- Quality Management System Certified by DNV
- Worldwide Sales and Service
2.3.1 AC Parameters: Single-Wire Interface
Figure 2-2. AC Timing Diagram: Single-Wire Interface
t
START
t
ZHI
t
ZLO
Logic Ø
t
START
t
BIT
Logic 1
t
START
t
TURNAROUND
t
START
SDA
Table 2-3. AC Parameters: Single-Wire Interface
Unless otherwise specified, applicable from T
A
= -40°C to +85°C, V
CC
= +2.0V to +5.5V, C
L
= 100 pF.
Parameter
Symbol Direction Min. Typ. Max. Unit Conditions
Start Pulse
Duration
t
START
To Crypto
Authentication
4.10 4.34 4.56 µs
From Crypto
Authentication
4.60 6 8.60 µs
Zero
Transmission
High Pulse
t
ZHI
To Crypto
Authentication
4.10 4.34 4.56 µs
From Crypto
Authentication
4.60 6 8.60 µs
Zero
Transmission
Low Pulse
t
ZLO
To Crypto
Authentication
4.10 4.34 4.56 µs
From Crypto
Authentication
4.60 6 8.60 µs
Bit Time
(note)
t
BIT
To Crypto
Authentication
37 39 — µs If the bit time exceeds t
TIMEOUT
then ATECC608A may enter the
Sleep mode.
From Crypto
Authentication
41 54 78 µs
ATECC608A
Electrical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Summary
DS40001977B-page 8