 2003-2012 Microchip Technology Inc.

DS21827H-page 35

25AA040A/25LC040A

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office

.

PART NO.

X

X

/XX

Package

Temperature

Tape & Reel

Device

Device:

25AA040A

25LC040A

25AA040AX

25LC040AX

4 Kbit, 1.8V, 16 Byte Page, SPI Serial EEPROM

4 Kbit, 2.5V, 16 Byte Page, SPI Serial EEPROM

4 Kbit, 1.8V, 16 Byte Page, SPI Serial EEPROM,

in alternate pinout (ST only)

4 Kbit, 2.5V, 16 Byte Page, SPI EEPROM, in

alternate pinout (ST only)

Tape & Reel:

Blank =

T=

Standard packaging

Tape & Reel

Temperature

Range:

I=

E=

-40

C to+85C

-40

C to+125C

Package:

MS

=

P=

SN

=

ST

=

MC

=

OT

=

Plastic MSOP (Micro Small Outline), 8-lead

Plastic DIP (300 mil body), 8-lead

Plastic SOIC (3.90 mm body), 8-lead

Plastic TSSOP (4.4 mm body), 8-lead

Plastic (2x3x0.9 mm body), 8-lead

Plastic TDFN (2x3x0.75 mm body), 8-lead

(Tape and Reel only)

Plastic SOT-23, 6-lead (Tape and Reel only)

Note

1:

“Y” indicates a Nickel Palladium Gold (NiPdAu) finish.

Examples:

a)

25AA040A-I/MS = 4 Kbit, 16-byte page, 1.8V

Serial EEPROM, Industrial temp., MSOP

package

b)

25AA040AT-I/SN = 4 Kbit, 16-byte page, 1.8V

Serial EEPROM, Industrial temp., Tape & Reel,

SOIC package

c)

25LC040AT-I/SN = 4 Kbit, 16-byte page, 2.5V

Serial EEPROM, Industrial temp., Tape & Reel,

SOIC package

d)

25LC040AT-I/ST = 4 Kbit, 16-byte page, 2.5V

Serial EEPROM, Industrial temp., Tape & Reel,

TSSOP package

e)

25LC040AT-E/SN = 4 Kbit, 16-byte page, 2.5V

Serial EEPROM, Extended temp., Tape & Reel,

SOIC package

f)

25LC040AX-E/ST = 4 Kbit, 16-byte page, 2.5V

Serial EEPROM, Extended temp., rotated pin-

out, TSSOP package

g)

25LC040AT-I/MNY = 4 Kbit, 16-byte page, 2.5V

Serial EEPROM, Industrial temp., Tape & Reel,

TDFN package