SST49LF008A-33-4C-EIE-T Microchip Technology, SST49LF008A-33-4C-EIE-T Datasheet - Page 20

• Manufacturer Part Number: SST49LF008A-33-4C-EIE-T
• Description: 3.0V To 3.6V 8Mbit LPC Firmware Flash 40 TSOP 10x20 Mm T/R
• Manufacturer: Microchip Technology

Specifications of SST49LF008A-33-4C-EIE-T

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 8M (1M x 8)
• Speed: 33MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 40-TFSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet
SOFTWARE COMMAND SEQUENCE
TABLE 9: Software Command Sequence
©2006 Silicon Storage Technology, Inc.
Command Sequence
Byte-Program
Sector-Erase
Block-Erase
Chip-Erase
Software ID Entry
Software ID Exit
Software ID Exit
1. FWH Mode uses consecutive Write cycles to complete a command sequence; PP Mode uses consecutive bus cycles to complete a
2. Address format A
3. BA = Program Byte address
4. SA
5. BA
6. Chip-Erase is supported in PP Mode only
7. SST Manufacturer’s ID = BFH, is read with A
8. The device does not remain in Software Product ID mode if powered down.
9. Both Software ID Exit operations are equivalent.
command sequence.
With A
X
X
for Sector-Erase Address
for Block-Erase Address
19
6
-A
1
= 0; 49LF008A Device ID = 5AH, is read with A
9
9
7,8
14
-A
0
(Hex), Addresses A
5555H
5555H
5555H
5555H
5555H
5555H
Addr
Write Cycle
XXH
1st
2
1
Data
AAH
AAH
AAH
AAH
AAH
AAH
F0H
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
21
Addr
Write Cycle
-A
0
=0,
15
2nd
2
can be V
1
Data Addr
55H
55H
55H
55H
55H
55H
IL
0
or V
= 1.
5555H
5555H
5555H
5555H
5555H
5555H
Write Cycle
20
IH
, but no other value, for the Command sequence in PP Mode.
3rd
2
1
Data Addr
A0H
80H
80H
80H
90H
F0H
5555H
5555H
5555H
Write Cycle
BA
3
4th
2
1
Data
Data
AAH
AAH
AAH
Addr
2AAAH
2AAAH
2AAAH
8 Mbit Firmware Hub
Write Cycle
2
5th
1
Data Addr
55H
55H
55H
SST49LF008A
S71161-11-000
5555H
Write Cycle
SA
BA
X
X
6th
2
4
5
T9.6 1161
1
Data
30H
50H
10H
3/06