24FC256-I/SN Microchip Technology, 24FC256-I/SN Datasheet
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
24FC256-I/SN
Specifications of 24FC256-I/SN
Available stocks
Related parts for 24FC256-I/SN
24FC256-I/SN Summary of contents
Page 1
... SCL 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 ...
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
... 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 (Note 2) 1.7V V 2.5V CC 2.5V V 5.5V CC 1.7V V 5.5V 24FC256 CC 1.7V V 2.5V CC 2.5V ...
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) — 2010 Microchip Technology Inc. ...
Page 5
... Not Connected Write-Protect Input +1.7V to 5.5V (24AA256) +2.5V to 5.5V (24LC256) +1.7V to 5.5V (24FC256) 2.3 Serial Clock (SCL) This input is used to synchronize the data transfer to and from the device. 2.4 Write-Protect (WP) This pin must be connected to either write operations are enabled. If tied write operations are inhibited but read operations are not affected ...
Page 6
... BUS CHARACTERISTICS The following bus protocol has been defined: • Data transfer may be initiated only when the bus is not busy. • During data transfer, the data line must remain stable whenever the clock line is high. Changes in the data line, while the clock line is high, will be interpreted as a Start or Stop condition ...
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
... DEVICE ADDRESSING A control byte is the first byte received following the Start condition from the master device (Figure 5-1). The control byte consists of a 4-bit control code. For the 1010’ 24XX256, this is set as ‘ binary for read and write operations. The next three bits of the control byte are the Chip Select bits (A2, A1, A0) ...
Page 9
... Microchip Technology Inc. 24AA256/24LC256/24FC256 6.3 Write Protection The WP pin allows the user to write-protect the entire array (0000-7FFF) when the pin is tied the write protection is disabled ...
Page 10
... FIGURE 6-1: BYTE WRITE S Bus Activity T Control Master A Byte R SDA Line Bus Activity x = “don’t care” bit FIGURE 6-2: PAGE WRITE S Bus Activity T Control Master A Byte R T SDA Line Bus Activity “don’t care” bit K DS21203Q-page 10 Address Address ...
Page 11
... 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 Condition to ...
Page 12
... READ OPERATION Read operations are initiated in much the same way as write operations, with the exception that the R/W bit of the control byte is set to ‘ 1 ’. There are three basic types of read operations: current address read, random read and sequential read. ...
Page 13
... 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. 2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 Example: 24AA256 I/P ...
Page 14
... TSSOP XXXX TYWW NNN 8-Lead MSOP XXXXXT YWWNNN 8-Lead DFN-S XXXXXXX 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 ...
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
... APPENDIX A: REVISION HISTORY Revision L Corrections to Section 1.0, Electrical Characteristics. Revision M 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. ...
Page 28
... NOTES: DS21203Q-page 28 2010 Microchip Technology Inc. ...
Page 29
... To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. 2010 Microchip Technology Inc. 24AA256/24LC256/24FC256 CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • Distributor or Representative • ...
Page 30
... Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y Device: 24AA256/24LC256/24FC256 Questions: 1. What are the best features of this document? 2. How does this document meet your hardware and software development needs you find the organization of this document easy to follow? If not, why? 4 ...
Page 31
... 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., Industrial Temp., Industrial Temp., Extended Temp., Industrial Temp ...
Page 32
... NOTES: DS21203Q-page 32 2010 Microchip Technology Inc. ...
Page 33
... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
Page 34
... Fax: 886-3-6578-370 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 Tel: 33-1-69-53-63-20 ...