W39F010

128K

× 8 CMOS FLASH MEMORY

Publication Release Date: December 26, 2005

- 1 -

Revision A4

Table of Contents-

1.

GENERAL DESCRIPTION ......................................................................................................... 3

2.

FEATURES ................................................................................................................................. 3

3.

PIN CONFIGURATIONS ............................................................................................................ 4

4.

BLOCK DIAGRAM ...................................................................................................................... 5

5.

PIN DESCRIPTION..................................................................................................................... 6

6.

FUNCTIONAL DESCRIPTION ................................................................................................... 7

6.1

Device Bus Operation..................................................................................................... 7

6.1.1

Read Mode ...............................................................................................................7

6.1.2

Write Mode ...............................................................................................................7

6.1.3

Standby Mode ..........................................................................................................7

6.1.4

Output Disable Mode ................................................................................................7

6.2

Data Protection ............................................................................................................... 7

6.3

Boot Block Operation...................................................................................................... 8

6.3.1

Low VDD Inhibit ........................................................................................................8

6.3.2

Write Pulse "Glitch" Protection .................................................................................8

6.3.3

Logical Inhibit............................................................................................................8

6.3.4

Power-up Write Inhibit ..............................................................................................8

6.4

Command Definitions ..................................................................................................... 8

6.4.1

Read Command .......................................................................................................9

6.4.2

Auto-select Command ..............................................................................................9

6.4.3

Byte Program Command ..........................................................................................9

6.4.4

Chip Erase Command ............................................................................................10

6.4.5

Page Erase Command ...........................................................................................10

6.5

Write Operation Status ................................................................................................. 10

6.5.1

DQ7: Data Polling ...................................................................................................10

6.5.2

DQ6: Toggle Bit ......................................................................................................11

7.

TABLE OF OPERATING MODES ............................................................................................ 12

7.1

Device Bus Operations ................................................................................................. 12

7.2

Command Definitions ................................................................................................... 12

7.3

Embedded Programming Algorithm ............................................................................. 14

7.4

Embedded Erase Algorithm.......................................................................................... 15

7.5

Embedded #Data Polling Algorithm.............................................................................. 16

7.6

Boot Block Lockout Enable Flow Chart ........................................................................ 17

7.7

Software Product Identification and Boot Block Lockout Detection Flow Chart........... 18