Uniform Sector

Standard and Dual Serial Flash

GD25LD40C/20C

2

CONTENTS

1.

FEATURES ................................................................................................................................................................ 4

2.

GENERAL DESCRIPTION ..................................................................................................................................... 5

3.

MEMORY ORGANIZATION .................................................................................................................................. 7

4.

DEVICE OPERATION ............................................................................................................................................. 9

5.

DATA PROTECTION ............................................................................................................................................. 10

6.

STATUS REGISTER ............................................................................................................................................... 11

7.

COMMANDS DESCRIPTION............................................................................................................................... 12

7.1.

WRITE ENABLE (WREN) (06H) ......................................................................................................................... 14

7.2.

WRITE DISABLE (WRDI) (04H) ......................................................................................................................... 14

7.3.

READ STATUS REGISTER (RDSR) (05H)............................................................................................................. 14

7.4.

WRITE STATUS REGISTER (WRSR) (01H) .......................................................................................................... 15

7.5.

READ DATA BYTES (READ) (03H)..................................................................................................................... 16

7.6.

READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH)................................................................................ 16

7.7.

DUAL OUTPUT FAST READ (3BH) ...................................................................................................................... 17

7.8.

PAGE PROGRAM (PP) (02H)................................................................................................................................ 17

7.9.

SECTOR ERASE (SE) (20H)................................................................................................................................. 18

7.10.

32KB BLOCK ERASE (BE) (52H) ....................................................................................................................... 19

7.11.

64KB BLOCK ERASE (BE) (D8H) ...................................................................................................................... 19

7.12.

CHIP ERASE (CE) (60/C7H)................................................................................................................................ 20

7.13.

DEEP POWER-DOWN (DP) (B9H) ....................................................................................................................... 20

7.14.

RELEASE FROM DEEP POWER-DOWN / READ DEVICE ID (ABH)........................................................................ 21

7.15.

READ MANUFACTURE ID/ DEVICE ID (REMS) (90H)........................................................................................ 22

7.16.

READ IDENTIFICATION (RDID) (9FH) ................................................................................................................ 22

7.17.

READ UNIQUE ID (4BH) .................................................................................................................................... 23

8.

ELECTRICAL CHARACTERISTICS.................................................................................................................. 24

8.1.

POWER-ON TIMING ....................................................................................................................................... 24

8.2.

INITIAL DELIVERY STATE ............................................................................................................................ 24

8.3.

ABSOLUTE MAXIMUM RATINGS ............................................................................................................... 24

8.4.

CAPACITANCE MEASUREMENT CONDITIONS ........................................................................................ 25

8.5.

DC CHARACTERISTICS................................................................................................................................. 26

8.6.

AC CHARACTERISTICS................................................................................................................................. 29

9.

ORDERING INFORMATION ............................................................................................................................... 33

9.1.

VALID PART NUMBERS........................................................................................................................................ 34

10.

PACKAGE INFORMATION ............................................................................................................................. 36

10.1.

PACKAGE SOP8 150MIL.................................................................................................................................... 36

10.2.

PACKAGE SOP8 208MIL.................................................................................................................................... 37

10.3.

PACKAGE TSSOP8 173MIL ............................................................................................................................... 38