24LC256T-E/STG datasheet, PDF - EEWORLD Datasheet

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24LC256T-E/STG: Description32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8; Categorystorage storage; File Size363KB，26 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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24LC256T-E/STG Overview

32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8

24LC256T-E/STG Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	TSSOP, TSSOP8,.25
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Other features	DATA RETENTION > 200 YEARS; 1,000,000 ERASE/WRITE CYCLES
Maximum clock frequency (fCLK)	0.4 MHz
Data retention time - minimum	200
Durability	1000000 Write/Erase Cycles
I2C control byte	1010DDDR
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.4 mm
memory density	262144 bi
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	32768 words
character code	32000
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	32KX8
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	260
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	1.2 mm
Serial bus type	I2C
Maximum standby current	0.000005 A
Maximum slew rate	0.003 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	4.5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3 mm
Maximum write cycle time (tWC)	5 ms
write protect	HARDWARE
Base Number Matches	1

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24AA256/24LC256/24FC256

256K I

™

CMOS Serial EEPROM

Device Selection Table

Part

Number

24AA256

24LC256

24FC256

Note 1:

Range

1.8-5.5V

2.5-5.5V

1.8-5.5V

Max. Clock

Frequency

400 kHz

(1)

400 kHz

1 MHz

(2)

Description:

Temp.

Ranges

I, E

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 (1.8V 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.

100 kHz for V

< 2.5V.

400 kHz for V

< 2.5V.

Features:

• Low-power CMOS technology:

- Maximum write current 3 mA at 5.5V

- Maximum read current 400

μA

at 5.5V

- Standby current 100 nA, typical at 5.5V

• 2-wire serial interface bus, I

™

compatible

• Cascadable for up to eight devices

• Self-timed erase/write cycle

• 64-byte Page Write mode available

• 5 ms max. write cycle time

• Hardware write-protect for entire array

• Output slope control to eliminate ground bounce

• Schmitt Trigger inputs for noise suppression

• 1,000,000 erase/write cycles

• Electrostatic discharge protection > 4000V

• Data retention > 200 years

• 8-pin PDIP, SOIC, TSSOP, MSOP and DFN

packages, 14-lead TSSOP package

• Pb-free finishes available

• Temperature ranges:

- Industrial (I):

-40°C to +85°C

- Automotive (E):

-40°C to +125°C

Block Diagram

A0 A1A2 WP

HV Generator

I/O

Control

Logic

Memory

Control

Logic

XDEC

EEPROM

Array

Page Latches

I/O

SCL

YDEC

SDA

Sense Amp.

R/W Control

Package Types

PDIP/SOIC

24XX256

SCL

SDA

TSSOP/MSOP*

24XX256

SCL

SDA

24XX256

DFN

8 V

7 WP

6 SCL

5 SDA

Note:

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

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

2005 Microchip Technology Inc.

DS21203N-page 1

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