W19B160BT/B DATA SHEET

Publication Release Date:Jan.04, 2008

- 1 -

Revision A5

-Table of Contents-

1.

GENERAL DESCRIPTION ......................................................................................................... 4

2.

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

3.

PIN CONFIGURATIONS ............................................................................................................ 6

4.

BLOCK DIAGRAM ...................................................................................................................... 7

5.

PIN DESCRIPTION..................................................................................................................... 8

6.

FUNCTIONAL DESCRIPTION ................................................................................................... 9

6.1

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

6.1.1

Word/Byte Configuration...................................................................................................9

6.1.2

Reading Array Data ..........................................................................................................9

6.1.3

Writing Commands/Command Sequences.......................................................................9

6.1.4

Program and Erase Operation Status...............................................................................9

6.1.5

Standby Mode ..................................................................................................................9

6.1.6

Automatic Sleep Mode ...................................................................................................10

6.1.7

#RESET: Hardware Reset Pin........................................................................................10

6.1.8

Output Disable Mode......................................................................................................10

6.1.9

Auto-select Mode............................................................................................................10

6.1.10

Sector Protection and Un-protection.............................................................................11

6.1.11

Temporary Sector Unprotect ........................................................................................11

6.1.12

Hardware Data Protection ............................................................................................11

6.1.13

Write Pulse “Glitch” Protection......................................................................................11

6.1.14

Logical Inhibit................................................................................................................11

6.1.15

Power-Up Write Inhibit..................................................................................................11

6.2

COMMAND DEFINITIONS ........................................................................................... 12

6.2.1

Reading Array Data ........................................................................................................12

6.2.2

Reset Command.............................................................................................................12

6.2.3

Auto-select Command Sequence ...................................................................................12

6.2.4

Byte/Word Program Command Sequence......................................................................13

6.2.5

Chip Erase Command Sequence ...................................................................................13

6.2.6

Sector Erase Command Sequence ................................................................................13

6.2.7

Erase Suspend /Erase Resume Commands ..................................................................14

6.2.8

Unlock Bypass Command Sequence .............................................................................14

6.3

WRITE OPERATION STATUS..................................................................................... 15

6.3.1

DQ7: #Data Polling.........................................................................................................15

6.3.2

RY/#BY: Ready/#Busy....................................................................................................15