GLS29SF040-55-4C-NHE Greenliant, GLS29SF040-55-4C-NHE Datasheet - Page 7

• Manufacturer Part Number: GLS29SF040-55-4C-NHE
• Description: Flash 512K X 8 55ns
• Manufacturer: Greenliant

Specifications of GLS29SF040-55-4C-NHE

• Data Bus Width: 8 bit
• Architecture: Sectored
• Timing Type: Asynchronous
• Interface Type: Parallel
• Access Time: 55 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 25 mA
• Mounting Style: SMD/SMT
• Organization: 512 KB x 8
• Memory Type: Flash
• Memory Size: 4 Mbit
• Operating Temperature: + 70 C
• Package / Case: PLCC-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2 Mbit / 4 Mbit Small-Sector Flash
GLS29SF020 / GLS29SF040
GLS29VF020 / GLS29VF040
TABLE 4: Software Command Sequence
©2010 Greenliant Systems, Ltd.
Command
Sequence
Byte-Program
Sector-Erase
Chip-Erase
Software ID Entry
Software ID Exit
Software ID Exit
1. Address format A
2. BA = Program Byte address
3. SA
4. The device does not remain in Software Product ID mode if powered down.
5. With A
6. Both Software ID Exit operations are equivalent
Addresses A
A
A
MS
MS
X
= Most significant address
= A
for Sector-Erase; uses A
MS
17
-A
for GLS29SF/VF020 and A
1
6
6
15
= 0; Greenliant Manufacturer’s ID = BFH, is read with A
4,5
-A
MS
14
GLS29SF020 Device ID = 24H, is read with A
GLS29VF020 Device ID = 25H, is read with A
GLS29SF040 Device ID = 13H, is read with A
GLS29VF040 Device ID = 14H, is read with A
-A
can be V
Addr
555H
555H
555H
555H
555H
0
Write Cycle
XXH
(Hex),
1st Bus
1
IL
MS
or V
Data
AAH
AAH
AAH
AAH
AAH
F0H
-A
7
IH
address lines for GLS29SF/VF020/040
, but no other value, for the Command sequence for GLS29SF/VF020/040.
18
for GLS29SF/VF040.
Addr
2AAH
2AAH
2AAH
2AAH
2AAH
Write Cycle
2nd Bus
1
Data
55H
55H
55H
55H
55H
Addr
555H
555H
555H
555H
555H
Write Cycle
3rd Bus
7
0
0
0
0
1
= 1
= 1
= 1
= 1
0
Data
A0H
F0H
80H
80H
90H
= 0,
Addr
555H
555H
Write Cycle
BA
4th Bus
2
1
Data
Data
AAH
AAH
Addr
2AAH
2AAH
Write Cycle
5th Bus
1
Data
55H
55H
S71160-15-000
Addr
555H
SA
Write Cycle
Data Sheet
6th Bus
X
3
1
T4.7 1160
Data
20H
10H
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