AT24C32D
Table of Contents
Features.......................................................................................................................... 1
Packages.........................................................................................................................1
1. Package Types (not to scale).................................................................................... 4
2. Pin Descriptions.........................................................................................................5
2.1. Device Address Inputs (A0, A1, A2).............................................................................................5
2.2. Ground......................................................................................................................................... 5
2.3. Serial Data (SDA).........................................................................................................................5
2.4. Serial Clock (SCL)........................................................................................................................5
2.5. Write-Protect (WP)....................................................................................................................... 6
2.6. Device Power Supply................................................................................................................... 6
3. Description.................................................................................................................7
3.1. System Configuration Using 2-Wire Serial EEPROMs ................................................................7
3.2. Block Diagram..............................................................................................................................8
4. Electrical Characteristics........................................................................................... 9
4.1. Absolute Maximum Ratings..........................................................................................................9
4.2. DC and AC Operating Range.......................................................................................................9
4.3. DC Characteristics....................................................................................................................... 9
4.4. AC Characteristics......................................................................................................................10
4.5. Electrical Specifications..............................................................................................................11
5. Device Operation and Communication....................................................................13
5.1. Clock and Data Transition Requirements...................................................................................13
5.2. Start and Stop Conditions.......................................................................................................... 13
5.3. Acknowledge and No-Acknowledge...........................................................................................14
5.4. Standby Mode............................................................................................................................ 14
5.5. Software Reset...........................................................................................................................15
6. Memory Organization.............................................................................................. 16
6.1. Device Addressing..................................................................................................................... 16
7. Write Operations......................................................................................................18
7.1. Byte Write...................................................................................................................................18
7.2. Page Write..................................................................................................................................18
7.3. Acknowledge Polling.................................................................................................................. 19
7.4. Write Cycle Timing..................................................................................................................... 19
7.5. Write Protection..........................................................................................................................20
8. Read Operations..................................................................................................... 21
8.1. Current Address Read................................................................................................................21
8.2. Random Read............................................................................................................................ 21
DS20006047A-page 2
Datasheet
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