SST39VF400A-70-4C-EK Microchip Technology, SST39VF400A-70-4C-EK Datasheet - Page 8

• Manufacturer Part Number: SST39VF400A-70-4C-EK
• Description: Flash 256K X 16 70ns
• Manufacturer: Microchip Technology

Specifications of SST39VF400A-70-4C-EK

• Data Bus Width: 16 bit
• Memory Type: NOR
• Memory Size: 4 Mbit
• Architecture: Sectored
• Interface Type: CFI
• Access Time: 70 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 30 mA
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: TSOP-48
• Organization: 256 KB x 16
• Lead Free Status / Rohs Status: No RoHS Version Available

Data Sheet
TABLE 4: Software Command Sequence
TABLE 5: CFI Query Identification String
©2010 Silicon Storage Technology, Inc.
Command
Sequence
Word-Program
Sector-Erase
Block-Erase
Chip-Erase
Software ID Entry
CFI Query Entry
Software ID Exit
CFI Exit
Software ID Exit
CFI Exit
Address
1. Address format A
2. DQ
3. WA = Program word address
4. SA
5. The device does not remain in Software Product ID mode if powered down.
6. With A
7. Both Software ID Exit operations are equivalent
1. Refer to CFI publication 100 for more details.
1AH
10H
11H
12H
13H
14H
15H
16H
17H
18H
19H
A
A
BA
MS
MS
X
X
15
= Most significant address
= A
for Sector-Erase; uses A
for Block-Erase; uses A
-DQ
MS
16
-A
8
for SST39LF/VF200A, A
0051H
0052H
0059H
0001H
0007H
0000H
0000H
0000H
0000H
0000H
0000H
can be V
1
Data
7
5
= 0; SST Manufacturer’s ID = 00BFH, is read with A
7
/
5,6
/
14
SST39LF/VF200A Device ID = 2789H, is read with A
SST39LF/VF400A Device ID = 2780H, is read with A
SST39LF/VF800A Device ID = 2781H, is read with A
5555H
5555H
5555H
5555H
5555H
5555H
5555H
-A
Addr
IL
XXH
Write Cycle
0
or V
Data
Query Unique ASCII string “QRY”
Primary OEM command set
Address for Primary Extended Table
Alternate OEM command set (00H = none exists)
Address for Alternate OEM extended Table (00H = none exits)
1st Bus
(Hex), Addresses A
1
IH
, but no other value, for the Command sequence
MS
Data
MS
AAH
AAH
AAH
AAH
AAH
AAH
AAH
F0H
-A
-A
15
11
2
17
address lines
address lines
for SST39LF/VF400A, and A
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
Addr
Write Cycle
2nd Bus
MS-
1
A
15
Data
can be V
55H
55H
55H
55H
55H
55H
55H
1
for SST39LF200A/400A/800A and SST39VF200A/400A/800A
2
SST39VF200A / SST39VF400A / SST39VF800A
SST39LF200A / SST39LF400A / SST39LF800A
5555H
5555H
5555H
5555H
5555H
5555H
5555H
IL
Addr
Write Cycle
2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
or V
3rd Bus
8
0
1
IH
18
= 0,
, but no other value, for the Command sequence.
for SST39LF/VF800A
Data
A0H
F0H
80H
80H
80H
90H
98H
0
0
0
= 1.
= 1.
= 1.
2
5555H
5555H
5555H
Addr
WA
Write Cycle
4th Bus
3
1
Data
Data
AAH
AAH
AAH
2
2AAAH
2AAAH
2AAAH
Addr
Write Cycle
5th Bus
1
Data
55H
55H
55H
2
S71117-13-000
5555H
Addr
SA
BA
Write Cycle
6th Bus
X
X
4
4
1
T4.3 1117
T5.0 1117
Data
30H
50H
10H
11/10
2