SST39SF040-70-4C-WHE Microchip Technology, SST39SF040-70-4C-WHE Datasheet - Page 13

• Manufacturer Part Number: SST39SF040-70-4C-WHE
• Description: IC FLASH MPF 4MBIT 70NS 32TSOP
• Manufacturer: Microchip Technology

Specifications of SST39SF040-70-4C-WHE

• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TSOP
• Format - Memory: FLASH
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Data Bus Width: 8 bit
• Architecture: Sectored
• Interface Type: Parallel
• Access Time: 70 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39SF010A / SST39SF020A / SST39SF040
©2010 Silicon Storage Technology, Inc.
ADDRESS A
FIGURE 11: WE# Controlled Chip-Erase Timing Diagram
FIGURE 12: Software ID Entry and Read
ADDRESS A
DQ
DQ
WE#
MS-0
CE#
OE#
WE#
CE#
OE#
14-0
7-0
7-0
Note: This device also supports CE# controlled Chip-Erase operation. The WE# and CE# signals are
interchageable as long as minimum timings are met. (See Table 10)
SA X = Sector Address
A MS = Most significant address
A MS = A 16 for SST39SF010A, A 17 for SST39SF020A, and A 18 for SST39SF040
5555
5555
Device ID = B5H for SST39SF010A, B6H for SST39SF020A, and B7H for SST39SF040
T
T
SW0
AA
SW0
WP
WP
AA
Three-byte Sequence for
2AAA
2AAA
Software ID Entry
SW1
SW1
55
55
SIX-BYTE CODE FOR CHIP-ERASE
T
WPH
5555
5555
SW2
80
SW2
90
5555
SW3
13
T
AA
IDA
2AAA
SW4
0000
55
T
BF
AA
5555
0001
Device ID
SW5
10
T
SCE
S71147-09-000
1147 F17.1
Data Sheet
1147 F09.2
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