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NexFlash

NX25P80 Datasheet Preview

NX25P80 Datasheet

8M-BIT Serial Flash Memory

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PRELIMINARY
OCTOBER 2004
NX25P80, NX25P16 AND NX25P32
8M-BIT, 16M-BIT AND 32M-BIT
Serial Flash Memory
NexFlash Technologies, Inc.
1
PRELIMINARY NXSF044F-1004
10/07/04 ©




NexFlash

NX25P80 Datasheet Preview

NX25P80 Datasheet

8M-BIT Serial Flash Memory

No Preview Available !

8M, 16M AND 32M-BIT SERIAL FLASH MEMORY
NX25P80, NX25P16 AND NX25P32
Table of Contents
NX25P80, NX25P16 AND NX25P32 ................................................................................................................................ 1
8M-BIT, 16M-BIT AND 32M-BIT Serial Flash Memory .................................................................................................. 1
FEATURES ..................................................................................................................................................................... 4
GENERAL DESCRIPTION ............................................................................................................................................. 4
Figure 1. NX25P80, NX25P16 and NX25P32 Block Diagram .................................................................................... 5
PIN DESCRIPTIONS ...................................................................................................................................................... 6
Package Types ......................................................................................................................................................... 6
Serial Data Input (DI) ................................................................................................................................................ 6
Serial Data Output (DO) ............................................................................................................................................ 6
Serial Clock (CLK) .................................................................................................................................................... 6
Chip Select (CS) ....................................................................................................................................................... 6
Hold (HOLD) ............................................................................................................................................................. 6
Figure 2. NX25P80/16 Pin Assignments, 8-pin SOIC (Package Code S) ................................................................... 6
Figure 3. NX25P80 (P) and NX25P16/32 (E) Pin Assignments, 8-contact MLP (Package Code P and E) ................. 6
Figure 4. NX25P16/32 Pin Assignments, 16-pin SOIC (Package Code F ) ................................................................ 6
Table 1. Pin Descriptions .......................................................................................................................................... 6
Write Protect (WP) .................................................................................................................................................... 7
SPI OPERATION ............................................................................................................................................................ 7
SPI Modes ............................................................................................................................................................... 7
Hold Function ........................................................................................................................................................... 7
WRITE PROTECTION .................................................................................................................................................... 7
Write Protect Features .............................................................................................................................................. 7
STATUS REGISTER ....................................................................................................................................................... 8
BUSY ....................................................................................................................................................................... 8
Write Enable Latch (WEL) ......................................................................................................................................... 8
Figure 5. Status Register Bit Locations ..................................................................................................................... 8
Block Protect Bits (BP2, BP1, BP0) ......................................................................................................................... 8
Reserved Bits ........................................................................................................................................................... 8
Status Register Protect (SRP) .................................................................................................................................. 8
Table 2: Status Register Memory Protection ............................................................................................................. 9
INSTRUCTIONS ........................................................................................................................................................... 10
Table 3: Instruction Set ........................................................................................................................................... 10
Table 4: Manufacturer and Device Identification ...................................................................................................... 11
Write Enable (06h) .................................................................................................................................................... 11
Figure 6. Write Enable Instruction Sequence Diagram ............................................................................................. 11
Write Disable (04h) ................................................................................................................................................... 11
Figure 7. Write Disable Instruction Sequence Diagram ............................................................................................ 11
Read Status Register (05h) ...................................................................................................................................... 12
Figure 8. Read Status Register Instruction Sequence Diagram ............................................................................... 12
Write Status Register (01h) ...................................................................................................................................... 13
Figure 9. Write Status Register Instruction Sequence Diagram ............................................................................... 13
Read Data (03h) ........................................................................................................................................................ 14
Figure 10. Read Data Instruction Sequence Diagram .............................................................................................. 14
Fast Read (0Bh) ........................................................................................................................................................ 15
Figure 11. Fast Read Instruction Sequence Diagram ............................................................................................... 15
Page Program (02h) ................................................................................................................................................. 16
Figure 12. Page Program Instruction Sequence Diagram ........................................................................................ 16
2
NexFlash Technologies, Inc.
PRELIMINARY NXSF044F-1004
10/07/04 ©


Part Number NX25P80
Description 8M-BIT Serial Flash Memory
Maker NexFlash
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