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25Q40BW डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 1.8V 4M-BIT SERIAL FLASH MEMORY - Winbond

भाग संख्या 25Q40BW
समारोह 1.8V 4M-BIT SERIAL FLASH MEMORY
मैन्युफैक्चरर्स Winbond 
लोगो Winbond लोगो 
पूर्व दर्शन
1 Page
		
<?=25Q40BW?> डेटा पत्रक पीडीएफ

25Q40BW pdf
W25Q40BW
Table of Contents
1. GENERAL DESCRIPTION ............................................................................................................... 5
2. FEATURES....................................................................................................................................... 5
3. PIN CONFIGURATION SOIC/VSOP 150-MIL ................................................................................. 6
4. PAD CONFIGURATION WSON 6X5-MM, USON 2X3-MM ............................................................. 6
5. PIN DESCRIPTION SOIC/VSOP 150-MIL, WSON 6X5-MM & USON 2X3-MM ............................. 6
5.1 Package Types..................................................................................................................... 7
5.2 Chip Select (/CS).................................................................................................................. 7
5.3 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) .................................... 7
5.4 Write Protect (/WP)............................................................................................................... 7
5.5 HOLD (/HOLD) ..................................................................................................................... 7
5.6 Serial Clock (CLK) ................................................................................................................ 7
6. BLOCK DIAGRAM............................................................................................................................ 8
7. FUNCTIONAL DESCRIPTION ......................................................................................................... 9
7.1 SPI OPERATIONS ............................................................................................................... 9
7.1.1 Standard SPI Instructions.......................................................................................................9
7.1.2 Dual SPI Instructions ..............................................................................................................9
7.1.3 Quad SPI Instructions ............................................................................................................9
7.1.4 Hold Function .........................................................................................................................9
7.2 WRITE PROTECTION ....................................................................................................... 10
7.2.1 Write Protect Features .........................................................................................................10
8. CONTROL AND STATUS REGISTERS ........................................................................................ 11
8.1 STATUS REGISTER .......................................................................................................... 11
8.1.1 BUSY ...................................................................................................................................11
8.1.2 Write Enable Latch (WEL) ....................................................................................................11
8.1.3 Block Protect Bits (BP2, BP1, BP0)......................................................................................11
8.1.4 Top/Bottom Block Protect (TB).............................................................................................11
8.1.5 Sector/Block Protect (SEC) ..................................................................................................11
8.1.6 Complement Protect (CMP) .................................................................................................12
8.1.7 Status Register Protect (SRP1, SRP0) ................................................................................12
8.1.8 Erase/Program Suspend Status (SUS) ................................................................................12
8.1.9 Security Register Lock Bits (LB3, LB2, LB1, LB0) ................................................................12
8.1.10 Quad Enable (QE)..............................................................................................................13
8.1.11 Status Register Memory Protection (CMP = 0)...................................................................14
8.1.12 Status Register Memory Protection (CMP = 1)...................................................................15
8.2 INSTRUCTIONS................................................................................................................. 16
8.2.1 Manufacturer and Device Identification ................................................................................16
8.2.2 Instruction Set Table 1 (Erase, Program Instructions)(1) .......................................................17
-2-

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