AT28C010 Military Grade 1-Mbit (131,072 x 8) Paged Parallel EEPROM Features Fast Read Access Time: 120 ns Automatic Page Write Operation: Internally organized as 131,072 x 8 (1 Mbit) Internal address and data latches for 128 bytes Internal control timer Fast Write Cycle Time: Page Write cycle time: 10 ms maximum 1 to 128-byte Page Write operation Low-Power Dissipation: 80 mA active current 300 A CMOS standby current Hardware and Software Data Protection DATA Polling for End of Write Detection High Reliability CMOS Technology: Endurance: 10,000 or 100,000 cycles Data retention: 10 years Single 5V 10% Supply CMOS and TTL Compatible Inputs and Outputs JEDEC Approved Byte-Wide Pinout Packages 32-Lead CERDIP, 32-Lead Flatpack, 32-Lead CLCC and 30-Pin PGA DS20006311A-page 1 2020 Microchip Technology Inc. AT28C010 Table of Contents Features......................................................................................................................................................... 1 Packages........................................................................................................................................................1 1. Package Types (not to scale)..................................................................................................................4 2. Pin Descriptions...................................................................................................................................... 5 3. Description.............................................................................................................................................. 6 3.1. Block Diagram..............................................................................................................................6 4. Electrical Characteristics.........................................................................................................................7 4.1. Absolute Maximum Ratings..........................................................................................................7 4.2. DC and AC Operating Range.......................................................................................................7 4.3. DC Characteristics....................................................................................................................... 7 4.4. Pin Capacitance........................................................................................................................... 8 5. Device Operation.................................................................................................................................... 9 5.1. Operating Modes........................................................................................................................10 5.2. AC Read Characteristics............................................................................................................10 5.3. AC Read Waveforms..................................................................................................................11 5.4. Input Test Waveforms and Measurement Level......................................................................... 11 5.5. Output Test Load........................................................................................................................ 11 5.6. AC Write Characteristics............................................................................................................ 12 5.7. AC Write Waveforms..................................................................................................................12 5.8. Page Mode Characteristics........................................................................................................ 13 (1,2) 5.9. Page Mode Write Waveforms ...............................................................................................14 5.10. Chip Erase Waveforms...............................................................................................................14 (1) 5.11. Software Data Protection Enable Algorithm ............................................................................15 (1) 5.12. Software Data Protection Disable Algorithm ...........................................................................16 (1,2,3) 5.13. Software Protected Program Cycle Waveform ...................................................................17 (1) 5.14. Data Polling Characteristics ....................................................................................................17 5.15. Data Polling Waveforms.............................................................................................................18 (1) 5.16. Toggle Bit Characteristics ....................................................................................................... 18 5.17. Toggle Bit Waveforms.................................................................................................................18 6. Packaging Information.......................................................................................................................... 20 6.1. Package Marking Information.....................................................................................................20 7. Revision History.................................................................................................................................... 26 The Microchip Website.................................................................................................................................27 Product Change Notification Service............................................................................................................27 Customer Support........................................................................................................................................ 27 Product Identification System.......................................................................................................................28 Microchip Devices Code Protection Feature................................................................................................29 DS20006311A-page 2 2020 Microchip Technology Inc.