SST39VF020-70-4I-NHE Microchip Technology, SST39VF020-70-4I-NHE Datasheet - Page 12

• Manufacturer Part Number: SST39VF020-70-4I-NHE
• Description: IC FLASH MPF 2MBIT 70NS 32PLCC
• Manufacturer: Microchip Technology

Specifications of SST39VF020-70-4I-NHE

• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Format - Memory: FLASH
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Data Bus Width: 8 bit
• Architecture: Sectored
• Interface Type: Parallel
• Access Time: 70 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 20 mA
• Mounting Style: SMD/SMT
• Organization: 256 KB x 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Data Sheet
©2010 Silicon Storage Technology, Inc.
FIGURE 10: Toggle Bit Timing Diagram
FIGURE 11: WE# Controlled Sector-Erase Timing Diagram
ADDRESS A
ADDRESS A
DQ
WE#
MS-0
OE#
CE#
WE#
MS-0
OE#
DQ
CE#
7-0
6
Note:
Note: This device also supports CE# controlled Sector-Erase operation. The WE# and CE# signals are
5555
A
A
MS
MS
interchageable as long as minmum timings are met. (See Table 10)
SA
A
A
SW0
T
MS
MS
AA
WP
X
= Most significant address
= A
= Sector Address
= Most significant address
= A
A
15
17
15
2AAA
T
for SST39LF/VF512, A
for SST39LF/VF020 and A
for SST39LF/VF512, A
OEH
SST39VF512 / SST39VF010 / SST39VF020 / SST39VF040
SST39LF512 / SST39LF010 / SST39LF020 / SST39LF040
SW1
55
SIX-BYTE CODE FOR SECTOR-ERASE
512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
T
CE
5555
SW2
T
80
OE
16
16
5555
for SST39LF/VF010, A
for SST39LF/VF010,
12
18
SW3
AA
for SST39LF/VF040
2AAA
SW4
55
17
for SST39LF/VF020, and A
SA
WITH SAME OUTPUTS
TWO READ CYCLES
X
SW5
30
18
T
for SST39LF/VF040
SE
T
OES
S71150-14-000
1150 F07.0
1150 F08.0
01/10