25X15ALFIG View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

25X15ALFIG

16M-BIT, 32M-BIT, AND 64M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

Winbond 

W25X16, W25X16A, W25X32, W25X64

Table of Contents

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

2. FEATURES ................................................................................................................................. 4

3.

PIN CONFIGURATION SOIC 150-MIL....................................................................................... 5

4.

PIN CONFIGURATION SOIC 208-MIL....................................................................................... 5

5.

PAD CONFIGURATION WSON 6X5-MM & 8X6-MM ................................................................ 5

6.

PIN CONFIGURATION PDIP 300-MIL ....................................................................................... 6

7. PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5 / 8X6-MM ..................... 6

8.

PIN CONFIGURATION SOIC 300-MIL....................................................................................... 7

9. PIN DESCRIPTION SOIC 300-MIL ............................................................................................ 7

9.1 Package Types ............................................................................................................... 8

9.2 Chip Select (/CS) ............................................................................................................ 8

9.3 Serial Data Output (DO) ................................................................................................. 8

9.4 Write Protect (/WP)......................................................................................................... 8

9.5 HOLD (/HOLD) ............................................................................................................... 8

9.6 Serial Clock (CLK) .......................................................................................................... 8

9.7 Serial Data Input / Output (DIO) ..................................................................................... 8

10. BLOCK DIAGRAM ...................................................................................................................... 9

11. FUNCTIONAL DESCRIPTION ................................................................................................. 10

11.1

SPI OPERATIONS ....................................................................................................... 10

11.1.1 SPI Modes ....................................................................................................................10

11.1.2 Dual Output SPI............................................................................................................10

11.1.3 Hold Function ...............................................................................................................10

11.2 WRITE PROTECTION.................................................................................................. 11

11.2.1 Write Protect Features..................................................................................................11

12. CONTROL AND STATUS REGISTERS................................................................................... 12

12.1

STATUS REGISTER .................................................................................................... 12

12.1.1 BUSY............................................................................................................................12

12.1.2 Write Enable Latch (WEL) ............................................................................................12

12.1.3 Block Protect Bits (BP2, BP1, BP0)..............................................................................12

12.1.4 Top/Bottom Block Protect (TB).....................................................................................12

12.1.5 Reserved Bits ...............................................................................................................12

12.1.6 Status Register Protect (SRP) ......................................................................................13

12.1.7 Status Register Memory Protection ..............................................................................14

12.2 INSTRUCTIONS........................................................................................................... 16

12.2.1 Manufacturer and Device Identification.........................................................................16

-2-

Share Link: