SST39VF040-55-4I-NHE Ver la hoja de datos (PDF) - Microchip Technology

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componentes Descripción

Fabricante

SST39VF040-55-4I-NHE

IC FLASH 2MBIT 70NS 32PLCC

Microchip Technology 

1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash

SST39LF010 / SST39LF020 / SST39LF040

SST39VF010 / SST39VF020 / SST39VF040

Data Sheet

ADDRESS AMS-0

CE#

5555

SIX-BYTE CODE FOR CHIP-ERASE

2AAA

5555

5555

2AAA

5555

TSCE

OE#

WE#

TWP

DQ7-0

AA

SW0

55

SW1

80

SW2

AA

SW3

55

SW4

10

SW5

Note: This device also supports CE# controlled Chip-Erase operation. The WE# and CE# signals are

interchageable as long as minmum timings are met. (See Table 10)

AMS = Most significant address

AMS = A16 for SST39LF/VF010, A17 for SST39LF/VF020, and A18 for SST39LF/VF040

Figure 10:WE# Controlled Chip-Erase Timing Diagram

1150 F17.0

ADDRESS A14-0

CE#

Three-byte Sequence for

Software ID Entry

5555

2AAA

5555

0000

0001

OE#

WE#

DQ7-0

TWP

TIDA

AA

SW0

TWPH

55

SW1

90

SW2

TAA

BF

Device ID

Note: Device ID = D5H for SST39LF/VF010, D6H for SST39LF/VF020, and D7H for SST39LF/VF040.

Figure 11:Software ID Entry and Read

1150 F09.2

©2012 Silicon Storage Technology, Inc.

17

DS25023B

06/13

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