SLUS724F
September 2006 – January 2022
BQ2022A
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: DC
6.6
Switching Characteristics: AC
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
1024-Bit EPROM
7.3.2
EPROM Status Memory
7.3.3
Error Checking
7.3.4
Customizing the BQ2022A
7.3.5
Bus Termination
7.4
Device Functional Modes
7.5
Programming
7.5.1
Serial Communication
7.5.2
Initialization
7.5.3
ROM Commands
7.5.3.1
READ ROM Command
7.5.3.2
SKIP ROM Command
7.5.4
Memory/Status Function Commands
7.5.5
READ MEMORY Commands
7.5.5.1
READ MEMORY/Page CRC
7.5.5.2
READ MEMORY/Field CRC
7.5.6
WRITE MEMORY Command
7.5.7
READ STATUS Command
7.5.8
WRITE STATUS Command
7.5.9
PROGRAM PROFILE Byte
7.5.10
SDQ Signaling
7.5.11
RESET and PRESENCE PULSE
7.5.12
WRITE Bit
7.5.13
READ Bit
7.5.14
PROGRAM PULSE
7.5.15
IDLE
7.5.16
CRC Generation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Programming Circuit Example
8.2.2.2
SDQ Master Best Practices
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.2.2
Receiving Notification of Documentation Updates
11.3
Trademarks
11.4
Support Resources
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
7.5.3
ROM Commands