24LC256T-I/SN Microchip Technology Inc., 24LC256T-I/SN Datasheet

24LC256T-I/SN

Manufacturer Part Number

24LC256T-I/SN

Description

256K, 32K X 8, 2.5V SER EE, IND

Manufacturer

Microchip Technology Inc.

Datasheet

1.24LC256-ISN.pdf (6 pages)

Specifications of 24LC256T-I/SN

Capacitance, Input

10 pF

Capacitance, Output

10 pF

Current, Input, Leakage

±1 μA

Current, Operating

400 μA (Read), 3 mA (Write)

Current, Output, Leakage

±1

Data Retention

>200 yrs.

Density

256K

Interface

2-Wire

Memory Type

Serial EEPROM

Organization

32K×8

Package Type

SOIC

Temperature, Operating

-40 to +85 °C

Time, Access

900 ns

Time, Fall

300 ns

Time, Rise

300 ns

Voltage, Esd

≥4 kV

Voltage, Input, High

1.75 V

Voltage, Input, Low

0.75 V

Voltage, Output, Low

0.4 V

Voltage, Supply

2.5 to 5.5 V

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

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Device Selection Table

Features:

• Single Supply with Operation Down to 1.7V for

• Low-Power CMOS Technology:

• 2-Wire Serial Interface, I

• Cascadable up to Eight Devices

• Schmitt Trigger Inputs for Noise Suppression

• Output Slope Control to Eliminate Ground Bounce

• 100 kHz and 400 kHz Clock Compatibility

• Page Write Time 5 ms max.

• Self-Timed Erase/Write Cycle

• 64-Byte Page Write Buffer

• Hardware Write-Protect

• ESD Protection >4000V

• More than 1 Million Erase/Write Cycles

• Data Retention >200 years

• Factory Programming Available

• Packages Include 8-lead PDIP, SOIC, DFN,

• Pb-Free and RoHS Compliant

Package Types

*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.

Note 1:

24AA256

24LC256

24FC256

24AA256 and 24FC256 Devices, 2.5V for

24LC256 Devices

- Active current 400 uA, typical

- Standby current 100 nA, typical

TSSOP and MSOP

Number

Note: * Pins A0 and A1 are no connects for the MSOP package only.

Part

100 kHz for V

400 kHz for V

1.7-5.5V

2.5-5.5V

1.7-5.5V

PDIP/SOIC

Range

256K I

Max. Clock

< 2.5V.

Frequency

400 kHz

™

1 MHz

400 kHz

SCL

SDA

Compatible

(2)

(1)

24AA256/24LC256/24FC256

™

Ranges

Temp.

CMOS Serial EEPROM

I, E

TSSOP/MSOP*

• Temperature Ranges:

Description:

The Microchip Technology Inc. 24AA256/24LC256/

24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial

Electrically Erasable PROM, capable of operation

across a broad voltage range (1.7V to 5.5V). It has

been developed for advanced, low-power applications

such as personal communications or data acquisition.

This device also has a page write capability of up to 64

bytes of data. This device is capable of both random

and sequential reads up to the 256K boundary.

Functional address lines allow up to eight devices on

the same bus, for up to 2 Mbit address space. This

device is available in the standard 8-pin plastic DIP,

SOIC, TSSOP, MSOP and DFN packages.

Block Diagram

SDA

I/O

- Industrial (I):

- Automotive (E):

Control

Logic

I/O

SCL

SDA

SCL

A0 A1A2

Memory

Control

Logic

-40°C to +85°C

-40°C to +125°C

XDEC

DFN

DS21203P-page 1

HV Generator

Page Latches

Sense Amp.

R/W Control

EEPROM

Array

SCL

SDA

YDEC

Related parts for 24LC256T-I/SN

24LC256T-I/SN Summary of contents

Page 1

... Temp. - Automotive (E): Ranges (1) I Description The Microchip Technology Inc. 24AA256/24LC256/ I 24FC256 (24XX256 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also has a page write capability bytes of data ...

Page 2

... A0, A1, A2 μA — -40°C to +125°C A SCL = SDA = V A0, A1, A2 +1. -40°C to +85° -40°C to +125°C A Conditions ≥ 2.5V < 2.5V ≥ 2.5V (Note 5.0V (Note MHz CLK = 5.5V, SCL = 400 kHz = 5. © 2007 Microchip Technology Inc. ...

Page 3

... This eliminates the need for This parameter is not tested but ensured by characterization. For endurance estimates in a specific application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site © 2007 Microchip Technology Inc. 24AA256/24LC256/24FC256 Electrical Characteristics: Industrial (I ...

Page 4

... CC 2.5 V ≤ V ≤ 5.5V 24FC256 CC 1.7V ≤ V < 2.5V CC 2.5V ≤ V ≤ 5.5V CC 1.7V ≤ V < 2.5V 24FC256 CC 2.5V ≤ V ≤ 5.5V 24FC256 CC All except, 24FC256 (Note 1) All except, 24FC256 (Notes 1 and 3) — © 2007 Microchip Technology Inc. ...

Page 5

Page 6

... C Serial e) 24LC256-E/P: 2.5V, PDIP package Serial f) 24LC256-I/SN: 2.5V, SOIC package Serial g) 24LC256T-I/SN: Tape and Reel, Industrial Temp., 2.5V, SOIC package. h) 24LC256-I/MS: 2.5V, MSOP package. i) 24FC256-I/P: 1.7V, High Speed, PDIP package. j) 24FC256-I/SN: 1.7V, High Speed, SOIC package. k) 24FC256T-I/SN: Tape and Reel, Industrial Temp, 1 ...

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