24AA08T MICROCHIP [Microchip Technology], 24AA08T Datasheet

24AA08T

Manufacturer Part Number

24AA08T

Description

Manufacturer

MICROCHIP [Microchip Technology]

Datasheet

1.24AA08T.pdf (30 pages)

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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

• Schmitt Trigger inputs for Noise Suppression

• Output Slope Control to eliminate Ground Bounce

• 100 kHz and 400 kHz Clock Compatibility

• Page Write Time 3 ms, typical

• Self-Timed Erase/Write Cycle

• 16-Byte Page Write Buffer

• Hardware Write-Protect

• ESD Protection >4,000V

• More than 1 Million Erase/Write Cycles

• Data Retention >200 years

• Factory Programming Available

• Packages include 8-lead PDIP, SOIC, TSSOP,

• Pb-Free and RoHS Compliant

• Temperature Ranges:

*24XX08 is used in this document as a generic part

number for the 24AA08/24LC08B devices.

Note 1:

24LC08B

Number

24AA08 Devices, 2.5V for 24LC08B Devices

- Read current 1 mA, max.

- Standby current 1 μA, max

DFN, TDFN, MSOP and 5-lead SOT-23

- Industrial (I):

- Automotive (E): -40°C to +125°C

24AA08

Part

100 kHz for V

Range

1.7-5.5

2.5-5.5

-40°C to +85°C

C™ Compatible

Max. Clock

<2.5V

Frequency

400 kHz

8K I

(1)

24AA08/24LC08B

Ranges

Temp.

I, E

™

Serial EEPROM

Description:

The Microchip Technology Inc. 24AA08/24LC08B

(24XX08*) is a 8 Kbit Electrically Erasable PROM. The

device is organized as four blocks of 256 x 8-bit

memory with a 2-wire serial interface. Low-voltage

design permits operation down to 1.7V, with standby

and active currents of only 1 μA and 1 mA,

respectively. The 24XX08 also has a page write

capability for up to 16 bytes of data. The 24XX08 is

available in the standard 8-pin PDIP, surface mount

SOIC, TSSOP, 2x3 DFN, 2x3 TDFN and MSOP

packages, and is also available in the 5-lead SOT-23

package. All packages are Pb-free and RoHS

compliant.

Block Diagram

Package Types

SDA

SCL

SDA

Vss

Note:

I/O

Control

Logic

I/O

SCL

PDIP, MSOP

SOT-23-5

Pins A0, A1 and A2 are not used by the 24XX08. (No

internal connections).

Control

Memory

Logic

Vcc

SCL

SDA

XDEC

SOIC, TSSOP

DFN/TDFN

DS21710J-page 1

Sense Amp.

R/W Control

Generator

EEPROM

Latches

Array

YDEC

Page

SCL

SDA

SCL

SDA

Related parts for 24AA08T

24AA08T Summary of contents

Page 1

... Ranges (24XX08 Kbit Electrically Erasable PROM. The (1) device is organized as four blocks of 256 x 8-bit I memory with a 2-wire serial interface. Low-voltage I, E design permits operation down to 1.7V, with standby and active currents of only 1 μA and 1 mA, respectively. The 24XX08 also has a page write capability for bytes of data ...

Page 2

ELECTRICAL CHARACTERISTICS (†) Absolute Maximum Ratings V .............................................................................................................................................................................6.5V CC All inputs and outputs w.r.t. V ......................................................................................................... -0. Storage temperature ...............................................................................................................................-65°C to +150°C Ambient temperature with power applied ................................................................................................-40°C to +125°C ESD protection on all pins ...

Page 3

TABLE 1-2: AC CHARACTERISTICS AC CHARACTERISTICS Param. Symbol Characteristic No Clock frequency CLK 2 Clock high time T HIGH 3 T Clock low time LOW 4 T SDA and SCL rise time R (Note SDA ...

Page 4

Page 5

... SS (read/write the entire memory 000-3FF). If tied write operations are inhibited. The entire CC memory will be write-protected. Read operations are not affected. 2.4 A0, A1, A2 The A0, A1 and A2 pins are not used by the 24XX08. They may be left floating or tied to either V ...

Page 6

FUNCTIONAL DESCRIPTION The 24XX08 supports a bidirectional, 2-wire bus and data transmission protocol. A device that sends data onto the bus is defined as a transmitter, while a device receiving data is defined as a receiver. The bus ...

Page 7

... They are used by the master device to select which of the four 256 word-blocks of memory are to be accessed. These bits are in effect the three Most Significant bits of the word address. The last bit of the control byte defines the operation to be performed. When set to ‘ ...

Page 8

... However, instead of generating a Stop condition, the master transmits data bytes to the 24XX08, which are temporarily stored in the on- chip page buffer and will be written into memory once the master has transmitted a Stop condition. Upon receipt of each word, the four lower-order Address Pointer bits are internally incremented by ‘ ...

Page 9

ACKNOWLEDGE POLLING Since the device will not acknowledge during a write cycle, this can be used to determine when the cycle is complete (this feature can be used to maximize bus throughput). Once the Stop condition for a Write ...

Page 10

... To provide sequential reads, the 24XX08 contains an internal Address Pointer that is incremented by one upon completion of each operation. This Address Pointer allows the entire memory contents to be serially read during one operation. , the n 8.4 ...

Page 11

FIGURE 8-2: RANDOM READ S T Bus Activity Control A Master Byte SDA Line Block Select Bus Activity x = “don’t care” FIGURE 8-3: SEQUENTIAL READ Control Bus Activity Byte Data (n) ...

Page 12

PACKAGING INFORMATION 9.1 Package Marking Information 8-Lead PDIP (300 mil) XXXXXXXX T/XXXNNN YYWW 8-Lead SOIC (3.90 mm) XXXXXXXX T/XXYYWW NNN 8-Lead TSSOP XXXX TYWW NNN 8-Lead MSOP XXXXXT YWWNNN 5-Lead SOT-23 XXNN DS21710J-page 12 Example: 24LC08B e I/P ...

Page 13

DFN XXX YWW NN 8-Lead 2x3 TDFN XXX YWW NN Part No. TSSOP MSOP 24AA08 4A08 4A08T 24LC08B 4L08 4L8BT Legend: XX...X Part number or part number code T Temperature ( Year code (last digit of ...

Page 14

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Microchip Technology Inc. 24AA08/24LC08B α φ β DS21710J-page 15 ...

Page 16

Page 17

Microchip Technology Inc. 24AA08/24LC08B φ I DS21710J-page 17 ...

Page 18

Page 19

Microchip Technology Inc. 24AA08/24LC08B I φ DS21710J-page 19 ...

Page 20

Page 21

Microchip Technology Inc. 24AA08/24LC08B DS21710J-page 21 ...

Page 22

Page 23

Microchip Technology Inc. 24AA08/24LC08B DS21710J-page 23 ...

Page 24

APPENDIX A: REVISION HISTORY Revision C Corrections to Section 1.0, Electrical Characteristics. Section 9.1, 24LC08B standard marking code. Revision D Added DFN package. Revision E Revised Figure 3-1: Control Byte Allocation; Figure 4-1 Byte Write; Figure 4-2 Page Write; ...

Page 25

THE MICROCHIP WEB SITE Microchip provides online support via our WWW site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web ...

Page 26

READER RESPONSE It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip prod- uct. If you wish to provide your comments on organization, clarity, subject matter, and ways in which ...

Page 27

... Microchip Technology Inc. 24AA08/24LC08B Examples: a) 24AA08-I/P: Industrial Temperature,1.7V, PDIP package b) 24AA08-I/SN: Industrial Temperature,1.7V, SOIC package 2 C Serial EEPROM c) 24AA08T-I/OT: Industrial Temperature Serial EEPROM 1.7V, SOT-23 package, Tape and Reel 2 C Serial EEPROM 2 C Serial EEPROM d) 24LC08B-I/P: Industrial Temperature, 2.5V, PDIP package e) 24LC08B-E/SN: Automotive Temp ...

Page 28

Page 29

... India. The Company’s quality system processes and procedures are for its PIC MCUs and dsPIC ® devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified ...

Page 30

W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com Fax: 852-2401-3431 ...

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