SST39VF800-70-4I-EK datasheet(5/23 Pages) SST

Part #	SST39VF800-70-4I-EK

Description	8 Megabit (512K x 16-Bit) Multi-Purpose Flash

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Manufacturer	SST [Silicon Storage Technology, Inc]

Direct Link	http://www.sst.com/

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5

343-04 2/99

8 Megabit Multi-Purpose Flash

SST39VF800Q / SST39VF800

Advance Information

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TABLE 3: OPERATION MODES SELECTION

Mode

CE#

OE#

WE#

A9

DQ

Address

Read

VIL

VIH

AIN

DOUT

AIN

Program

VIL

VIH

VIL

AIN

DIN

AIN

Erase

VIL

VIH

VIL

X

Sector or block address,

XXh for chip erase

Standby

VIH

X

High Z

X

Write Inhibit

X

VIL

X

High Z/ DOUT

X

XXVIH

X

High Z/ DOUT

X

Product Identification

Hardware Mode

VIL

VIH

VH

Manufacturer Code (00BF)

A18 - A1 = VIL, A0 = VIL

Device Code (2781)

A18 - A1 = VIL, A0 = VIH

Software Mode

VIL

VIH

AIN

See Table 4

343 PGM T3.0

TABLE 2: PIN DESCRIPTION

Symbol

Pin Name

Functions

A18-A0

Address Inputs

To provide memory addresses. During sector erase A18-A11 address lines

will select the sector. During block erase A18-A15 address lines will select

the block.

DQ15-DQ0

Data Input/output

To output data during read cycles and receive input data during write

cycles. Data is internally latched during a write cycle. The outputs are in

tri-state when OE# or CE# is high.

CE#

Chip Enable

To activate the device when CE# is low.

OE#

Output Enable

To gate the data output buffers.

WE#

Write Enable

To control the write operations.

VDD

Power Supply

To provide 3-volt supply (2.7-3.6V)

VDDQ

I/O Power Supply

Supplies power for input/output buffers. It should be either tied to VDD

(2.7 - 3.6V) for 3V I/O or to a 5.0V (4.5 - 5.5V) power supply to

support 5V I/O. (Not offered on SST39VF800 device, instead it is a NC)

Vss

Ground

NC

No Connection

Unconnected pins.

343 PGM T2.0

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