SST29SF040-55-4I-NHE Greenliant, SST29SF040-55-4I-NHE Datasheet - Page 15

• Manufacturer Part Number: SST29SF040-55-4I-NHE
• Description: Flash 4M (512Kx8) 55ns Industrial Temp
• Manufacturer: Greenliant

Specifications of SST29SF040-55-4I-NHE

• Rohs: yes
• Data Bus Width: 8 bit
• Memory Type: Flash
• Memory Size: 4 Mbit
• 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
• Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-32

2 Mbit / 4 Mbit Small-Sector Flash
GLS29SF020 / GLS29SF040
GLS29VF020 / GLS29VF040
©2010 Greenliant Systems, Ltd.
FIGURE 10: WE# Controlled Chip-Erase Timing Diagram
FIGURE 11: Software ID Entry and Read
ADDRESS A
ADDRESS A
Note: This device also supports CE# controlled Chip-Erase operation The WE# and CE# signals are interchangeable as
Note: Device ID = 24H for GLS29SF020, 13H for GLS29SF040
DQ
DQ
WE#
long as minimum timings are met. (See Table 11)
A
A
CE#
OE#
WE#
MS-0
OE#
CE#
14-0
MS
MS
7-0
7-0
= Most significant address
= A
17
for GLS29SF/VF020 and A
25H for GLS29VF020, 14H for GLS29VF040
555
555
T
SW0
T
AA
WP
WP
SW0
AA
Three-Byte Sequence for
Software ID Entry
2AA
2AA
SW1
55
SW1
55
SIX-BYTE CODE FOR CHIP-ERASE
T
WPH
18
555
555
for GLS29SF/VF040
SW2
SW2
80
90
555
15
SW3
T
AA
IDA
2AA
0000
SW4
55
T
BF
AA
555
0001
Device ID
SW5
10
T
SCE
S71160-15-000
Data Sheet
1160 F09.1
1160 F10.1
05/10