3.3V Uniform Sector

Standard and Dual Serial Flash

GD25D40C/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