SST39VF020-90-4C-NH Microchip Technology, SST39VF020-90-4C-NH Datasheet - Page 13

• Manufacturer Part Number: SST39VF020-90-4C-NH
• Description: Flash U 804-39VF0207CNH
• Manufacturer: Microchip Technology

Specifications of SST39VF020-90-4C-NH

• Product Category: Flash
• Data Bus Width: 8 bit
• Memory Type: NOR Flash
• Memory Size: 2 Mbit
• Architecture: Sectored
• Interface Type: Parallel
• Access Time: 90 ns
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Current: 20 mA
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-32
• Organization: 256 KB x 8

512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF512 / SST39LF010 / SST39LF020 / SST39LF040
SST39VF512 / SST39VF010 / SST39VF020 / SST39VF040
©2010 Silicon Storage Technology, Inc.
ADDRESS A
FIGURE 12: WE# Controlled Chip-Erase Timing Diagram
FIGURE 13: Software ID Entry and Read
ADDRESS A
DQ
DQ
WE#
MS-0
WE#
CE#
OE#
OE#
CE#
14-0
7-0
7-0
Note: Device ID = D4H for SST39LF/VF512, D5H for SST39LF/VF010, D6H for SST39LF/VF020, and D7H for SST39LF/VF040.
Note: This device also supports CE# controlled Chip-Erase operation. The WE# and CE# signals are
5555
5555
interchageable as long as minmum timings are met. (See Table 10)
A
A
SW0
MS
MS
T
T
AA
WP
WP
SW0
AA
= Most significant address
= A
Three-byte Sequence for
15
2AAA
2AAA
Software ID Entry
for SST39LF/VF512, A
SW1
55
SW1
55
SIX-BYTE CODE FOR CHIP-ERASE
T
WPH
5555
5555
SW2
80
SW2
90
16
5555
for SST39LF/VF010, A
SW3
AA
13
T
IDA
2AAA
SW4
0000
55
T
17
BF
AA
for SST39LF/VF020, and A
5555
0001
Device ID
SW5
10
18
T
for SST39LF/VF040
SCE
S71150-14-000
1150 F17.0
Data Sheet
1150 F09.2
01/10