SST25VF040B-50-4I-QAF Microchip Technology, SST25VF040B-50-4I-QAF Datasheet - Page 13

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

Specifications of SST25VF040B-50-4I-QAF

• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-WSON
• Format - Memory: FLASH
• Speed: 50MHz
• Interface: SPI Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Architecture: Sectored
• Interface Type: SPI
• Access Time: 50 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 15 mA
• Mounting Style: SMD/SMT
• Organization: 32 KB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

4 Mbit SPI Serial Flash
SST25VF040B
©2009 Silicon Storage Technology, Inc.
SCK
CE#
FIGURE 9: Disable SO as Hardware RY/BY#
FIGURE 10: Auto Address Increment (AAI) Word-Program Sequence with
SO
SI
MODE 3
MODE 0
SCK
CE#
SO
SI
AD
0
Note:
Load AAI command, Address, 2 bytes data
MODE 3
MODE 0
7 8
during AAI Programming
Hardware End-of-Write Detection
A
1. Valid commands during AAI programming: AAI command or WRDI command
2. User must configure the SO pin to output Flash Busy status during AAI programming
15 16 23 24
HIGH IMPEDANCE
MSB
0 1 2 3 4 5 6 7
A
A
80
31
1295 DisableSO.0
32
D0
39
40
D1
47
Check for Flash Busy Status to load next valid
0
AD
7 8
D2
13
15 16 23
D3
0
AD
7 8
Data Bytes
Last 2
D
n-1
1
15 16 23
command
D
n
WDRI to exit
AAI Mode
0
WRDI
7
Software Status register
to load any command
S71295-05-000
Wait T
RDSR
0
1295 AAI.HW.0
BP
Data Sheet
7 8
or poll
D
OUT
15
10/09