GD25Q21B Datasheet PDF - ELM

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GD25Q21B
ELM

Part Number GD25Q21B
Description Uniform Sector Dual and Quad Serial Flash
Page 30 Pages


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GD25Q21B
DATASHEET



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GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash
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- Content -
Page
1. FEATURES ------------------------------------------------------------------------------------------------- 4
2. GENERAL DESCRIPTION ----------------------------------------------------------------------------- 5
3. MEMORY ORGANIZATION -------------------------------------------------------------------------- 6
4. DEVICE OPERATION ---------------------------------------------------------------------------------- 6
5. DATA PROTECTION ------------------------------------------------------------------------------------ 7
6. STATUS REGISTER ------------------------------------------------------------------------------------- 9
7. COMMANDS DESCRIPTION ------------------------------------------------------------------------- 10
Table of ID Definition --------------------------------------------------------------------------------------- 13
7.1. Write Enable (WREN) (06H) ----------------------------------------------------------------------- 14
7.2. Write Disable (WRDI) (04H) ----------------------------------------------------------------------- 14
7.3. Write Enable for Volatile Status Register (50H) -------------------------------------------------- 15
7.4. Read Status Register (RDSR) (05H or 35H) ----------------------------------------------------- 15
7.5. Write Status Register (WRSR) (01H) -------------------------------------------------------------- 16
7.6. Write Status Register (WRSR) (31H) ------------------------------------------------------------- 17
7.7. Read Data Bytes (READ) (03H) -------------------------------------------------------------------- 18
7.8. Read Data Bytes at Higher Speed (Fast Read) (0BH) ------------------------------------------- 18
7.9. Dual Output Fast Read (3BH) ---------------------------------------------------------------------- 19
7.10. Quad Output Fast Read (6BH) ---------------------------------------------------------------------- 20
7.11. Dual I/O Fast Read (BBH) ------------------------------------------------------------------------- 20
7.12. Quad I/O Fast Read (EBH) ------------------------------------------------------------------------- 22
7.13. Quad I/O Word Fast Read (E7H) ------------------------------------------------------------------ 23
7.14. Set Burst with Wrap (77H) -------------------------------------------------------------------------- 25
7.15. Page Program (PP) (02H) --------------------------------------------------------------------------- 26
7.16. Quad Page Program (32H) -------------------------------------------------------------------------- 27
7.17. Sector Erase (SE) (20H) ----------------------------------------------------------------------------- 28
7.18. 32KB Block Erase (BE) (52H) --------------------------------------------------------------------- 28
7.19. 64KB Block Erase (BE) (D8H) --------------------------------------------------------------------- 29
7.20. Chip Erase (CE) (60/C7H) -------------------------------------------------------------------------- 29
7.21. Deep Power-Down (DP) (B9H) --------------------------------------------------------------------- 30
7.22. Release from Deep Power-Down or High Performance Mode and Read Device ID (RDI) (ABH) 31
7.23. Read Manufacture ID/Device ID (REMS) (90H) ------------------------------------------------- 32
7.24. Read Manufacture ID/Device ID Dual I/O (92H) ------------------------------------------------ 33
7.25. Read Manufacture ID/Device ID Quad I/O (94H) ----------------------------------------------- 34
7.26. Read Identification (RDID) (9FH) ------------------------------------------------------------------ 35
49 - 2
Rev.1.1



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GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.com
7.27. High Performance Mode (HPM) (A3H) -----------------------------------------------------------
7.28. Erase Security Registers (44H) ----------------------------------------------------------------------
7.29. Program Security Registers (42H) ------------------------------------------------------------------
7.30. Read Security Registers (48H) ----------------------------------------------------------------------
7.31. Continuous Read Mode Reset (CRMR) (FFH) ---------------------------------------------------
7.32. Program/Erase Suspend (PES) (75H) --------------------------------------------------------------
7.33. Program/Erase Resume (PER) (7AH) --------------------------------------------------------------
8. ELECTRICAL CHARACTERISTICS ---------------------------------------------------------------
8.1. Power-ON timing -------------------------------------------------------------------------------------
8.2. Initial delivery state ----------------------------------------------------------------------------------
8.3. Data retention and endurance -----------------------------------------------------------------------
8.4. Latch up characteristics -----------------------------------------------------------------------------
8.5. Absolute maximum ratings -------------------------------------------------------------------------
8.6. Capacitance measurement conditions -------------------------------------------------------------
8.7. DC characteristics -----------------------------------------------------------------------------------
8.8. AC characteristics -----------------------------------------------------------------------------------
9. ORDERING INFORMATION -------------------------------------------------------------------------
10. PACKAGE INFORMATION ---------------------------------------------------------------------------
10.1.
10.2.
10.3.
Package SOP8 150MIL ----------------------------------------------------------------------------
Package SOP8 208MIL ----------------------------------------------------------------------------
Package USON8 (3x2MM) -----------------------------------------------------------------------
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49 - 3
Rev.1.1



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GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash
1. FEATURES
http://www.elm-tech.com
2M-bit Serial Flash
Program/Erase Speed
- 256K-byte
- 256 bytes per programmable page
Standard, Dual, Quad SPI
- Standard SPI: SCLK, CS#, SI, SO, WP#, HOLD#
- Dual SPI: SCLK, CS#, IO0, IO1, WP#, HOLD#
- Quad SPI: SCLK, CS#, IO0, IO1, IO2, IO3
High Speed Clock Frequency
- 104MHz for fast read with 30PF load
- Dual I/O Data transfer up to 208Mbits/s
- Quad I/O Data transfer up to 416Mbits/s
- Page Program time: 0.35ms typical
- Sector Erase time: 50ms typical
- Block Erase time: 0.18/0.25s typical
- Chip Erase time: 0.8s typical
Flexible Architecture
- Sector of 4K-byte
- Block of 32/64K-byte
Low Power Consumption
- 12mA maximum active current
- 5μA maximum power down current
Software/Hardware Write Protection
Single Power Supply Voltage
- Write protect all/portion of memory via software
- Enable/Disable protection with WP# pin
- Top or Bottom, Sector or Block selection
- Full voltage range: 2.7~3.6V
♦ Minimum 100,000 Program/Erase Cycles
Advanced security Features
- Power Supply Lock-Down
- 3×512-Byte Security Registers With OTP Locks
- Volatile and Non-volatile Status Register Bits
49 - 4
Rev.1.1



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