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AT25DF081A

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

Atmel Corporation 

Table 2-1. Pin Descriptions (Continued)

Symbol

VCC

GND

Name and Function

DEVICE POWER SUPPLY: The VCC pin is used to supply the source voltage to the device.

Operations at invalid VCC voltages may produce spurious results and should not be

attempted.

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

system ground.

Asserted

State

-

-

Type

Power

Power

Figure 2-1. 8-SOIC (Top View)

CS 1

SO (SOI) 2

WP 3

GND 4

8 VCC

7 HOLD

6 SCK

5 SI (SIO)

Figure 2-2. 8-UDFN (Top View)

CS 1

SO (SOI) 2

WP 3

GND 4

8 VCC

7 HOLD

6 SCK

5 SI (SIO)

3. Block Diagram

Figure 3-1. Block Diagram

CS

SCK

SI (SIO)

SO (SOI)

WP

HOLD

INTERFACE

CONTROL

AND

LOGIC

CONTROL AND

PROTECTION LOGIC

Y-DECODER

X-DECODER

I/O BUFFERS

AND LATCHES

SRAM

DATA BUFFER

Y-GATING

FLASH

MEMORY

ARRAY

4 Atmel AT25DF081A

8715B–SFLSH–8/10

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