AT93C46E-PU Microchip

AT93C46D/AT93C46E Three-Wire Serial EEPROM 1-Kbit (128 x 8 or 64 x 16) Features Low-Voltage Operation: V = 1.8V to 5.5V CC User-Selectable Internally Organized as 128 x 8 (1K) or 64 x 16 (1K) Non-Selectable Internal Organization as 64 x 16 (1K), AT93C46E Only Industrial Temperature Range: -40C to +85C Three-Wire Serial Interface 2 MHz Clock Rate (5V) Self-Timed Write Cycle within 5 ms Maximum High Reliability: Endurance: 1,000,000 write cycles Data retention: 100 years Green Package Options (Lead-free/Halide-free/RoHS compliant) Die Sale Options: Wafer Form and Tape and Reel Packages 8-Lead PDIP, 8-Lead SOIC, 8-Lead TSSOP, 8-Pad UDFN and 8-Ball VFBGA DS20006224B-page 1 2020 Microchip Technology Inc. AT93C46D/AT93C46E Table of Contents Features......................................................................................................................................................... 1 Packages........................................................................................................................................................1 1. Package Types (not to scale)..................................................................................................................4 2. Pin Descriptions...................................................................................................................................... 5 2.1. Chip Select (CS)...........................................................................................................................5 2.2. Serial Data Clock (SK)................................................................................................................. 5 2.3. Serial Data Input (DI)....................................................................................................................5 2.4. Serial Data Output (DO)...............................................................................................................5 2.5. Ground (GND)..............................................................................................................................5 2.6. Internal Organization (ORG)........................................................................................................ 6 2.7. Device Power Supply (V )......................................................................................................... 6 CC 3. Description.............................................................................................................................................. 7 3.1. Block Diagram..............................................................................................................................7 4. Electrical Characteristics.........................................................................................................................8 4.1. Absolute Maximum Ratings..........................................................................................................8 4.2. DC and AC Operating Range.......................................................................................................8 4.3. DC Characteristics....................................................................................................................... 8 4.4. AC Characteristics........................................................................................................................9 4.5. Synchronous Data Timing.......................................................................................................... 10 4.6. Electrical Specifications..............................................................................................................11 5. Device Commands and Addressing......................................................................................................13 5.1. Read Operation (READ).............................................................................................................13 5.2. Erase/Write Enable (EWEN)...................................................................................................... 14 5.3. Erase/Write Disable (EWDS)..................................................................................................... 14 5.4. Erase Operation (ERASE)..........................................................................................................15 5.5. Write Operation (WRITE)........................................................................................................... 15 5.6. Write All (WRAL)........................................................................................................................ 16 5.7. Erase All (ERAL)........................................................................................................................ 16 6. Packaging Information.......................................................................................................................... 18 6.1. Package Marking Information.....................................................................................................18 7. Revision History.................................................................................................................................... 30 The Microchip Website.................................................................................................................................32 Product Change Notification Service............................................................................................................32 Customer Support........................................................................................................................................ 32 Product Identification System.......................................................................................................................33 Microchip Devices Code Protection Feature................................................................................................33 DS20006224B-page 2 2020 Microchip Technology Inc.