24LC256T-E/SN15KV05 Microchip, 24LC256T-E/SN15KV05 Datasheet

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24LC256T-E/SN15KV05

Manufacturer Part Number
24LC256T-E/SN15KV05
Description
24LC256 Series 256 Kb 2.5 V (32K x 8) 5 ms I2C Serial EEPROM - SOIC-8
Manufacturer
Microchip
Datasheet
256K I
Device Selection Table
Part
V
Max. Clock
CC
Number
Range
Frequency
24AA256
1.7-5.5V
400 kHz
24LC256
2.5-5.5V
400 kHz
(2)
24FC256
1.7-5.5V
1 MHz
Note 1:
100 kHz for V
< 2.5V.
CC
2:
400 kHz for V
< 2.5V.
CC
Features:
• Single Supply with Operation Down to 1.7V for
24AA256 and 24FC256 Devices, 2.5V for
24LC256 Devices
• Low-Power CMOS Technology:
- Active current 400 uA, typical
- Standby current 100 nA, typical
2
• 2-Wire Serial Interface, I
C
Compatible
• 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,
TSSOP and MSOP
• Pb-Free and RoHS Compliant
Package Types
PDIP/SOIC
A0
1
8
V
CC
A1
2
7
WP
A2
3
6
SCL
V
4
5
SDA
SS
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.
 2010 Microchip Technology Inc.
24AA256/24LC256/24FC256
2
C
CMOS Serial EEPROM
• Temperature Ranges:
- Industrial (I):
Temp.
- Automotive (E):
Ranges
(1)
I
Description:
I, E
The Microchip Technology Inc. 24AA256/24LC256/
I
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
I/O
Control
Logic
I/O
SCL
SDA
V
CC
V
SS
TSSOP/MSOP*
1
8
A0
V
CC
2
7
A1
WP
3
6
A2
SCL
4
5
V
SDA
SS
-40C to +85C
-40C to +125C
A0 A1A2
WP
HV Generator
Memory
EEPROM
Control
XDEC
Array
Logic
Page Latches
YDEC
Sense Amp.
R/W Control
DFN
A0
1
8
V
CC
2
A1
7
WP
A2
3
6
SCL
4
V
5
SDA
SS
DS21203Q-page 1

Related parts for 24LC256T-E/SN15KV05

24LC256T-E/SN15KV05 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. ...

Page 2

... 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.  2010 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 at www.microchip.com.  2010 Microchip Technology Inc. ...

Page 4

... 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 at www.microchip.com. FIGURE 1-1: BUS TIMING DATA ...

Page 5

... CC 400 kHz and 1 MHz). For normal data transfer, SDA is allowed to change only during SCL low. Changes during SCL high are reserved for indicating the Start and Stop conditions.  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 8-pin 8-pin 8-pin TSSOP ...

Page 6

... NOT generating an Acknowledge bit on the last byte that has been clocked out of the slave. In this case, the slave (24XX256) will leave the data line high to enable the master to generate the Stop condition.  2010 Microchip Technology Inc. an internal ...

Page 7

... SCL SDA Data from transmitte Transmitter must release the SDA line at this point, allowing the Receiver to pull the SDA line low to acknowledge the previous eight bits of data.  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 (D) (D) Address or Data Acknowledge Allowed Valid to Change ...

Page 8

... CONTROL BYTE FORMAT Read/Write Bit Chip Select Bits R/W ACK 0 1 Slave Address Acknowledge Bit Address Low Byte A • • • • • • “don’t care” bit  2010 Microchip Technology Inc. ...

Page 9

... WP pin held high, the device will acknowledge the command, but no write cycle will occur, no data will be written and the device will immediately accept a new command.  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 6.3 Write Protection The WP pin allows the user to write-protect the entire ...

Page 10

... High Byte Low Byte Address Address High Byte Low Byte Data Byte Data Data Byte  2010 Microchip Technology Inc. ...

Page 11

... If no ACK is returned, the Start bit and control byte must be resent. If the cycle is complete, then the device will return the ACK and the master can then proceed with the next Read or Write command. See Figure 7-1 for flow diagram.  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 FIGURE 7-1: Write Command Send Stop ...

Page 12

... Data (n) Data ( Data ( internal Address Pointer will S Control Data T Byte Byte Data (  2010 Microchip Technology Inc. ...

Page 13

... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. *Standard device marking consists of Microchip part number, year code, week code, and traceability code. For device marking beyond this, certain price adders apply. Please check with your Microchip Sales Office.  ...

Page 14

... T/XXXXX YYWW NNN Part No. 24AA256 24LC256 24FC256 DS21203Q-page 14 Example: Example: 4L256I 510017 Example First Line Marking Codes TSSOP Package Codes MSOP Package Codes 4AD 4A256T 4LD 4L256T 4FD 4F256T 4LD I510 017 : 24LC256 e 3 I/MF 0510 017  2010 Microchip Technology Inc. ...

Page 15

... N NOTE  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 DS21203Q-page 15 ...

Page 16

... N NOTE DS21203Q-page φ α c β  2010 Microchip Technology Inc. ...

Page 17

... Microchip Technology Inc. 24AA256/24LC256/24FC256 DS21203Q-page 17 ...

Page 18

... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21203Q-page 18  2010 Microchip Technology Inc. ...

Page 19

... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 DS21203Q-page 19 ...

Page 20

... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21203Q-page 20  2010 Microchip Technology Inc. ...

Page 21

... D N NOTE  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 φ L DS21203Q-page 21 ...

Page 22

... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21203Q-page 22  2010 Microchip Technology Inc. ...

Page 23

... D N NOTE  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 φ L DS21203Q-page 23 ...

Page 24

... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21203Q-page 24  2010 Microchip Technology Inc. ...

Page 25

... D N NOTE TOP VIEW A3  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 EXPOSED PAD BOTTOM VIEW A A1 NOTE NOTE DS21203Q-page 25 ...

Page 26

... DS21203Q-page 26  2010 Microchip Technology Inc. ...

Page 27

... Added 1.8V 400 kHz option for 24FC256. Revision N Revised Sections 2.1 and 2.4. Removed 14-Lead TSSOP Package. Revision P Revised Features; Changed 1.8V voltage to 1.7V; Replaced Package Drawings; Revised markings (8-lead SOIC); Revised Product ID System. Revision Q (05/10) Revised Table 1-1, Table 1-2, Section 6.1; Updated Package Drawings.  2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 DS21203Q-page 27 ...

Page 28

... NOTES: DS21203Q-page 28  2010 Microchip Technology Inc. ...

Page 29

... 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 site contains information: • Product Support – Data sheets and errata, application notes and sample programs, design resources, user’ ...

Page 30

... 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 our documentation can better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-4150. ...

Page 31

... MSOP package 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, 1.7V, High Speed, SOIC package Industrial Temp ...

Page 32

... NOTES: DS21203Q-page 32  2010 Microchip Technology Inc. ...

Page 33

... Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’ ...

Page 34

... Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350  2010 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris ...

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