Contents

1. Quad-Serial Configuration (EPCQ) Devices Datasheet.....................................................4

1.1. Supported Devices.................................................................................................4

1.2. Features...............................................................................................................5

1.3. Operating Conditions..............................................................................................5

1.3.1. Absolute Maximum Ratings......................................................................... 5

1.3.2. Recommended Operating Conditions............................................................ 6

1.3.3. DC Operating Conditions.............................................................................6

1.3.4. ICC Supply Current.................................................................................... 7

1.3.5. Capacitance.............................................................................................. 7

1.4. Memory Array Organization.....................................................................................7

1.4.1. Address Range for EPCQ16......................................................................... 8

1.4.2. Address Range for EPCQ32......................................................................... 9

1.4.3. Address Range for EPCQ64......................................................................... 9

1.4.4. Address Range for EPCQ128...................................................................... 11

1.4.5. Address Range for EPCQ256...................................................................... 13

1.4.6. Address Range for EPCQ512/A...................................................................16

1.5. Memory Operations..............................................................................................16

1.5.1. Timing Requirements................................................................................17

1.5.2. Addressing Mode..................................................................................... 17

1.6. Registers............................................................................................................ 17

1.6.1. Status Register........................................................................................17

1.6.2. Flag Status Register................................................................................. 26

1.6.3. Non-Volatile Configuration Register.............................................................27

1.7. Summary of Operation Codes................................................................................ 29

1.7.1. 4BYTEADDREN and 4BYTEADDREX Operations (B7h and E9h)........................ 30

1.7.2. Write Enable Operation (06h).................................................................... 31

1.7.3. Write Disable Operation (04h)................................................................... 31

1.7.4. Read Bytes Operation (03h)...................................................................... 32

1.7.5. Fast Read Operation (0Bh)........................................................................ 33

1.7.6. Extended Dual Input Fast Read Operation (BBh)...........................................33

1.7.7. Extended Quad Input Fast Read Operation (EBh)..........................................34

1.7.8. Read Device Identification Operation (9Fh)..................................................34

1.7.9. Write Bytes Operation (02h)......................................................................35

1.7.10. Extended Dual Input Fast Write Bytes Operation (D2h)................................36

1.7.11. Extended Quad Input Fast Write Bytes Operation (12h or 38h)..................... 36

1.7.12. Erase Bulk Operation (C7h)..................................................................... 37

1.7.13. Erase Sector Operation (D8h).................................................................. 38

1.7.14. Erase Subsector Operation...................................................................... 39

1.8. Power Mode........................................................................................................ 40

1.9. Timing Information.............................................................................................. 40

1.9.1. Write Operation Timing............................................................................. 40

1.9.2. Read Operation Timing............................................................................. 42

1.10. Programming and Configuration File Support......................................................... 42

1.11. Pin Information..................................................................................................43

1.11.1. Pin-Out Diagram for EPCQ16 and EPCQ32 Devices......................................43

1.11.2. Pin-Out Diagram for EPCQ64, EPCQ128, EPCQ256, and EPCQ512/A Devices...44

1.11.3. EPCQ Device Pin Description.................................................................... 44

Contents

Quad-Serial Configuration (EPCQ) Devices Datasheet

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