24LCS52/P Microchip Technology, 24LCS52/P Datasheet
24LCS52/P
Specifications of 24LCS52/P
Related parts for 24LCS52/P
24LCS52/P Summary of contents
Page 1
... SDA SS © 2005 Microchip Technology Inc. 24AA52/24LCS52 Description: The Microchip Technology Inc. 24AA52/24LCS52 (24XXX52 Kbit Electrically Erasable PROM capable of operation across a broad voltage range (1.8V to 5.5V). This device has a software write-protect feature for the lower half of the array, as well as an external pin that can be used to write-protect the entire array ...
Page 2
... A — — — +1. Conditions — — 0.2 V for V < 2. (Note 3 OUT 5.0V (Note 25° MHz A CLK V = 5.5V, SCL = 400 kHz CC — Industrial SDA = SCL = V CC A0, A1, A2 © 2005 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. © 2005 Microchip Technology Inc. 24AA52/24LCS52 V = +1.8V to +5.5V ...
Page 4
... FIGURE 1-1: BUS TIMING DATA 5 3 SCL 7 6 SDA 14 IN SDA OUT FIGURE 1-2: BUS TIMING START/STOP SCL 6 7 SDA Start DS21166J-page Stop © 2005 Microchip Technology Inc. ...
Page 5
... DATA TRANSFER SEQUENCE ON THE SERIAL BUS (A) (B) SCL SDA Start Condition © 2005 Microchip Technology Inc. 24AA52/24LCS52 3.4 Data Valid (D) The state of the data line represents valid data when, after a Start condition, the data line is stable for the duration of the high period of the clock signal. ...
Page 6
... It is therefore necessary for the application software to prevent page write operations that would attempt to cross a page boundary. © 2005 Microchip Technology Inc. ...
Page 7
... FIGURE 4-1: BYTE WRITE S Bus Activity Control T A Master Byte R T SDA Line S Bus Activity FIGURE 4-2: PAGE WRITE S T Bus Activity Control A Master Byte R T SDA Line S Bus Activity © 2005 Microchip Technology Inc. 24AA52/24LCS52 Word Address Word Address (n) Data ( Data ...
Page 8
... Read or Write command. See Figure 5-1 for flow diagram. FIGURE 5-1: ACKNOWLEDGE POLLING FLOW Send Write Command Send Stop Condition to Initiate Write Cycle Send Start Send Control Byte with R Did Device No Acknowledge (ACK = 0)? Yes Next Operation DS21166J-page 8 © 2005 Microchip Technology Inc. ...
Page 9
... Figure 6-2. In order for the command to work, a voltage of Vcc + 5.5V must be applied to the WP pin and must be sustained for 1 S before the command is given. The customer should also allow for delay after the Stop bit for © 2005 Microchip Technology Inc. 24AA52/24LCS52 Word Address ...
Page 10
... WP is tied write protection is determined by SS the status of the software write-protect register for addresses 00h-7Fh. Addresses 80h-FFh are solely protected by the WP pin level. DS21166J-page RWPF Word Control A Address (0x09) Byte 1.8V to 5.5V , the will prevent Data (0xFF © 2005 Microchip Technology Inc. ...
Page 11
... A Master R T SDA Line S Bus Activity © 2005 Microchip Technology Inc. 24AA52/24LCS52 7.3 Sequential Read Sequential reads are initiated in the same way as a random read, with the exception that after the 24XXX52 transmits the first data byte, the master issues an acknowledge, as opposed to a Stop condition in a random read ...
Page 12
... RANDOM READ S Bus Activity T Control A Master Byte SDA Line Bus Activity FIGURE 7-3: SEQUENTIAL READ Bus Activity Control Master Byte Data (n) SDA Line A Bus Activity C K DS21166J-page 12 S Word T Control A Address (n) Byte Data ( Data ( Data ( Data ( © 2005 Microchip Technology Inc. ...
Page 13
... V (typical 10 k for 100 kHz 400 kHz). 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. © 2005 Microchip Technology Inc. 24AA52/24LCS52 TSSOP MSOP DFN ...
Page 14
... DS21166J-page 14 Example: 24AA52 I/P Example: 24LCS52I SN Example: Example: Example: 1st Line Marking Codes TSSOP MSOP A52 4A52I S52 4S52I e 3EC 3 0510 e 3 0510 3EC S52 I510 3EC 4S52I 5103EC 2M4 510 3E DFN 2M1 2M4 © 2005 Microchip Technology Inc. ...
Page 15
... Note: Please visit www.microchip.com/Pbfree for the latest information on Pb-free conversion. *Standard OTP marking consists of Microchip part number, year code, week code, and traceability code. © 2005 Microchip Technology Inc. 24AA52/24LCS52 DS21166J-page 15 ...
Page 16
... L p MILLIMETERS MIN NOM MAX 8 2.54 3.56 3.94 4.32 2.92 3.30 3.68 0.38 7.62 7.94 8.26 6.10 6.35 6.60 9.14 9.46 9.78 3.18 3.30 3.43 0.20 0.29 0.38 1.14 1.46 1.78 0.36 0.46 0.56 7.87 9.40 10. © 2005 Microchip Technology Inc. ...
Page 17
... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-012 Drawing No. C04-057 © 2005 Microchip Technology Inc. 24AA52/24LCS52 ...
Page 18
... B .007 .010 .012 MILLIMETERS* MIN NOM MAX 8 0.65 1.10 0.85 0.90 0.95 0.05 0.10 0.15 6.25 6.38 6.50 4.30 4.40 4.50 2.90 3.00 3.10 0.50 0.60 0. 0.09 0.15 0.20 0.19 0.25 0. © 2005 Microchip Technology Inc. ...
Page 19
... Mold Draft Angle Top Mold Draft Angle Bottom *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" (0.254mm) per side. JEDEC Equivalent: MO-187 Drawing No. C04-111 © 2005 Microchip Technology Inc. 24AA52/24LCS52 Units ...
Page 20
... D2 MILLIMETERS* MIN NOM MAX 8 0.50 BSC 0.80 0.90 1.00 0.00 0.02 0.05 0.20 REF. 2.00 BSC 3.00 BSC 1.30** – 1.75 1.50** – 1.90 0.30 0.40 0.50 0.20 – – 0.20 0.25 0.30 Revised 09-12-05 © 2005 Microchip Technology Inc. ...
Page 21
... Standard and Pb-free finishes. Corrections to Section 1.0, Electrical Characteristics; Product ID System, added lead finish info. Revision H Added Reset Software Write-Protect feature. Added 2x3 DFN package option. Revision J Revised Sections 6.3 and 8.4. Revised DFN Package Drawing. © 2005 Microchip Technology Inc. 24AA52/24LCS52 DS21166J-page 21 ...
Page 22
... NOTES: DS21166J-page 22 © 2005 Microchip Technology Inc. ...
Page 23
... To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. © 2005 Microchip Technology Inc. 24AA52/24LCS52 CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • ...
Page 24
... What deletions from the document could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document? DS21166J-page 24 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21166J © 2005 Microchip Technology Inc. ...
Page 25
... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2005 Microchip Technology Inc. 24AA52/24LCS52 X Examples: ...
Page 26
... NOTES: DS21166J-page 26 2005 Microchip Technology Inc. ...
Page 27
... PowerMate, PowerTool, Real ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, 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 28
... Fax: 886-3-572-6459 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 © 2005 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...