AT25DF081A-MH-T datasheet(4/53 Pages) ATMEL

Part #	AT25DF081A-MH-T

Description	8-Mbit 2.7V Minimum Serial Peripheral Interface Serial Flash Memory

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Manufacturer	ATMEL [ATMEL Corporation]

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4

8715B–SFLSH–8/10

Atmel AT25DF081A [Preliminary]

3.

Block Diagram

Figure 3-1.

Block Diagram

V

CC

DEVICE POWER SUPPLY: The V

CC pin is used to supply the source voltage to the device.

Operations at invalid V

CC voltages may produce spurious results and should not be

attempted.

-Power

GND

GROUND: The ground reference for the power supply. GND should be connected to the

system ground.

-Power

Table 2-1.

Pin Descriptions (Continued)

Symbol

Name and Function

Asserted

State

Type

Figure 2-1.

8-SOIC (Top View)

Figure 2-2.

8-UDFN (Top View)

CS

SO (SOI)

WP

GND

1

2

3

4

8

7

6

5

VCC

HOLD

SCK

SI (SIO)

CS

SO (SOI)

WP

GND

1

2

3

4

8

7

6

5

VCC

HOLD

SCK

SI (SIO)

FLASH

MEMORY

ARRAY

Y-GATING

CS

SCK

SO (SOI)

SI (SIO)

Y-DECODER

X-DECODER

I/O BUFFERS

AND LATCHES

CONTROL AND

PROTECTION LOGIC

SRAM

DATA BUFFER

WP

INTERFACE

CONTROL

AND

LOGIC

HOLD

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