SST25VF040B-50-4I-QAF-T Microchip Technology, SST25VF040B-50-4I-QAF-T Datasheet - Page 14

• Manufacturer Part Number: SST25VF040B-50-4I-QAF-T
• Description: IC FLASH SER 4MB 50MHZ SPI 8WSON
• Manufacturer: Microchip Technology

Specifications of SST25VF040B-50-4I-QAF-T

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 50MHz
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-WSON
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet
©2009 Silicon Storage Technology, Inc.
FIGURE 11: Auto Address Increment (AAI) Word-Program Sequence with
SCK
CE#
SO
SI
MODE 3
MODE 0
Note:
AD
0
Load AAI command, Address, 2 bytes data
7 8
Software End-of-Write Detection
1. Valid commands during AAI programming: AAI command or WRDI command
A
15 16 23 24
A
A
31
32
D0
39
40
D1
47
0
AD
7 8
D2
14
register to load next valid
15 16 23
Wait T
D3
BP
or poll Software Status
0
AD
7 8
1
Data Bytes
command
Last 2
D
n-1
15 16 23
D
n
4 Mbit SPI Serial Flash
WDRI to exit
AAI Mode
0
WRDI
7
SST25VF040B
Software Status register
to load any command
S71295-05-000
Wait T
RDSR
0
BP
1295 AAI.SW.0
7 8
or poll
D
OUT
15
10/09