GD25Q20 Просмотр технического описания (PDF) - Unspecified

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GD25Q20

GD25Q20BxIGx Uniform sector dual and quad serial flash

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GD25UDQnuiaf2ol 0armnBdSxQeIGcutaoxdr SUenriifaolrFmlassehctor dual and quad GseDr2ia5lQf4la0sBh/20B

Contents

1. FEATURES .........................................................................................................................................................44

2. GENERAL DESCRIPTION ................................................................................................................................55

3. MEMORY ORGANIZATION...............................................................................................................................77

4. DEVICE OPERATION ........................................................................................................................................98

5. DATA PROTECTION........................................................................................................................................109

6. STATUS REGISTER.........................................................................................................................................1140

7. COMMANDS DESCRIPTION..........................................................................................................................1162

7.1.

7.2.

7.3.

7.4.

7.5.

7.6.

7.7.

7.8.

7.9.

7.10.

7.11.

7.12.

7.13.

7.14.

7.15.

7.16.

7.17.

7.18.

7.19.

7.20.

7.21.

7.22.

7.23.

7.24.

WRITE ENABLE (WREN) (06H)................................................................................................................................ 1194

WRITE DISABLE (WRDI) (04H) ................................................................................................................................ 1194

READ STATUS REGISTER (RDSR) (05H OR 35H) .......................................................................................................... 1194

WRITE STATUS REGISTER (WRSR) (01H) ................................................................................................................... 2105

READ DATA BYTES (READ) (03H)............................................................................................................................. 2105

READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) ............................................................................................. 2116

DUAL OUTPUT FAST READ (3BH).............................................................................................................................. 2116

QUAD OUTPUT FAST READ (6BH) ............................................................................................................................. 2127

DUAL I/O FAST READ (BBH) .................................................................................................................................... 2127

QUAD I/O FAST READ (EBH) ................................................................................................................................... 2139

QUAD I/O WORD FAST READ (E7H) ......................................................................................................................... 2240

PAGE PROGRAM (PP) (02H).................................................................................................................................... 2251

SECTOR ERASE (SE) (20H)....................................................................................................................................... 2262

32KB BLOCK ERASE (BE) (52H) ............................................................................................................................... 2272

64KB BLOCK ERASE (BE) (D8H)............................................................................................................................... 2273

CHIP ERASE (CE) (60/C7HEX).................................................................................................................................. 2283

DEEP POWER-DOWN (DP) (B9H)............................................................................................................................. 2284

RELEASE FROM DEEP POWER-DOWN OR HIGH PERFORMANCE MODE AND READ DEVICE ID (RDI) (ABH) ............................ 2294

READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ................................................................................................... 3205

READ IDENTIFICATION (RDID) (9FH) ......................................................................................................................... 3206

HIGH PERFORMANCE MODE (HPM) (A3H) ................................................................................................................ 3216

CONTINUOUS READ MODE RESET (CRMR) (FFH)........................................................................................................ 3217

PROGRAM/ERASE SUSPEND (PES) (75H) ................................................................................................................... 3228

PROGRAM/ERASE RESUME (PER) (7AH) ................................................................................................................... 3238

8. ELECTRICAL CHARACTERISTICS ..............................................................................................................3249

8.1. POWER-ON TIMING ........................................................................................................................................... 3249

8.2. INITIAL DELIVERY STATE ..................................................................................................................................... 3249

8.3. DATA RETENTION AND ENDURANCE ................................................................................................................. 3249

8.4. LATCH UP CHARACTERISTICS ............................................................................................................................. 3249

8.5. ABSOLUTE MAXIMUM RATINGS ........................................................................................................................ 3350

8.6. CAPACITANCE MEASUREMENT CONDITIONS .................................................................................................... 3350

2

38 - 2

Rev.1.1

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