SST25VF040B-20-4C-QAE Microchip Technology, SST25VF040B-20-4C-QAE Datasheet - Page 14

• Manufacturer Part Number: SST25VF040B-20-4C-QAE
• Description: Flash 512K X 8 14 us
• Manufacturer: Microchip Technology

Specifications of SST25VF040B-20-4C-QAE

• Product Category: Flash
• Rohs: yes
• Memory Size: 4 Mbit
• Interface Type: SPI
• Access Time: 20 ns
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: WSON-8

A Microchip Technology Company
©2011 Silicon Storage Technology, Inc.
Figure 10:Auto Address Increment (AAI) Word-Program Sequence with
Figure 11:Auto Address Increment (AAI) Word-Program Sequence with
SCK
CE#
SO
SI
MODE 3
MODE 0
Note: 1. Valid commands during AAI programming: AAI command or WRDI command
Note: 1. Valid commands during AAI programming: AAI command or WRDI command
AD
0
SCK
CE#
Load AAI command, Address, 2 bytes data
SO
SI
7 8
Hardware End-of-Write Detection
Software End-of-Write Detection
2. User must configure the SO pin to output Flash Busy status during AAI programming
MODE 3
MODE 0
A
15 16 23 24
0
EBSY
A
7
A
31
0
WREN
32
SCK cont.
CE# cont.
D0
SO cont.
SI cont.
7
39
40
D1
47
0
AD
Load AAI command, Address, 2 bytes data
Check for Flash Busy Status to load next valid
7 8
14
0
AD
A
7 8
Data Bytes
15 16 23 24
0
AD
Last 2
D
n-1
7 8
15 16 23
A
D2
D n
register to load next valid
15 16 23
Wait T
A
31
Check for Flash Busy Status to load next valid
D3
32
BP
D0
or poll Software Status
WRDI followed by DBSY
39
4 Mbit SPI Serial Flash
0
WRDI
40
to exit AAI Mode
D1
47
0
7
AD
1
7 8
1
Data Bytes
command
command
Last 2
D
0
DBSY
n-1
0
15 16 23
AD
7 8
7
D
n
D2
15 16 23
SST25VF040B
0
RDSR
1295 AAI.HW.3
D3
WRDI to exit
7 8
AAI Mode
1
0
command
WRDI
D
OUT
S71295-06-000
15
7
RDSR
Data Sheet
0
1295 AAI.SW.1
7 8
D
OUT
02/11
15