25AA02E48-I/SN Microchip Technology, 25AA02E48-I/SN Datasheet
25AA02E48-I/SN
Specifications of 25AA02E48-I/SN
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25AA02E48-I/SN Summary of contents
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... Page Size Temp. Ranges 16 Bytes I Description: The Microchip Technology Inc. 25AA02E48 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM). The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines ...
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... 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 under bias .................................................................................................................-40°C to 85°C ESD protection on all pins ..........................................................................................................................................4 kV † NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device ...
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... V = 1.8V to 5.5V CC Test Conditions 5.5V CC 4.5V CC 2.5V CC 5.5V CC 4.5V CC 2.5V CC 5.5V CC 4.5V CC ...
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... TABLE 1-2: AC CHARACTERISTICS (CONTINUED) AC CHARACTERISTICS Param. Sym. Characteristic No HOLD Hold Time HOLD Low to Output HZ High HOLD High to Output HV Valid 20 T Internal Write Cycle Time WC (byte or page) 21 — Endurance Note 1: This parameter is periodically sampled and not 100% tested. 2: This parameter is not tested but ensured by characterization. For endurance estimates in a specific application, please consult the Total Endurance™ ...
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... SERIAL INPUT TIMING CS 2 Mode 1,1 Mode 0,0 SCK MSB in SO FIGURE 1-3: SERIAL OUTPUT TIMING SCK 13 MSB out SO SI 2010 Microchip Technology Inc High-Impedance n Don’t Care High-Impedance 14 Don’t Care 25AA02E48 LSB in 3 Mode 1,1 Mode 0,0 15 ISB out DS22123B-page 5 ...
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... CS pin (Figure 2-1). 2.3 Write Sequence Prior to any attempt to write data to the 25AA02E48, the write enable latch must be set by issuing the WREN instruction (Figure 2-4). This is done by setting CS low and then clocking out the proper instruction into the 25AA02E48 ...
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... Read data from memory array beginning at selected address Write data to memory array beginning at selected address Reset the write enable latch (disable write operations) Set the write enable latch (enable write operations) Read STATUS register Write STATUS register Address Byte 25AA02E48 Description Data Out DS22123B-page 7 ...
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... FIGURE 2-2: BYTE WRITE SEQUENCE SCK Instruction FIGURE 2-3: PAGE WRITE SEQUENCE SCK Instruction SCK Data Byte DS22123B-page Address Byte High-Impedance Address Byte Data Byte Twc Data Byte Data Byte Data Byte n (16 max 2010 Microchip Technology Inc. ...
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... Write Enable (WREN) and Write Disable (WRDI) The 25AA02E48 contains a write enable latch. Table 2-4 for the Write-Protect Functionality Matrix. This latch must be set before any write operation will be completed internally. The WREN instruction will set the latch, and the WRDI will reset the latch. ...
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... BP1 BP0 W/R = writable/readable read-only. The Write-In-Process (WIP) bit indicates whether the 25AA02E48 is busy with a write operation. When set to a ‘ ’, a write is in progress, when set to a ‘ progress. This bit is read-only. FIGURE 2-6: READ STATUS REGISTER TIMING SEQUENCE (RDSR) CS ...
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... Table 2-3. FIGURE 2-7: WRITE STATUS REGISTER TIMING SEQUENCE (WRSR SCK Instruction 2010 Microchip Technology Inc. TABLE 2-3: BP1 Data to STATUS register High-Impedance 25AA02E48 ARRAY PROTECTION Array Addresses BP0 Write-Protected none 0 upper 1/4 1 (C0h-FFh) upper 1/2 0 (80h-FFh) all 1 (00h-FFh DS22123B-page 11 ...
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... DS22123B-page 12 2.8 Power-On State The 25AA02E48 powers on in the following state: • The device is in low-power Standby mode ( • The write enable latch is reset • high-impedance state • A high-to-low-level transition required to enter active state Protected Blocks ...
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... PRE-PROGRAMMED EUI-48™ NODE ADDRESS The 25AA02E48 is programmed at the factory with a globally unique, EUI-48™ and EUI-64™ compatible node address stored in the upper 1/4 of the array and write-protected through the STATUS register. The remaining 1,536 bits are available for application use. ...
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... CS is required prior to any sequence being initiated. 4.2 Serial Output (SO) The SO pin is used to transfer data out of the 25AA02E48. During a read cycle, data is shifted out on this pin after the falling edge of the serial clock. 4.3 Write-Protect (WP) The WP pin is a hardware write-protect input pin. ...
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... 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. 2010 Microchip Technology Inc. Example: 25A2E48I SN e 0827 3 1L7 Example: 20L7 1st Line Marking Code SOT-23 I Temp. 20NN NN = Alphanumeric traceability code 25AA02E48 DS22123B-page 15 ...
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... PP %RG\ >62,&@ 1RWH N NOTE 1RWHV DS22123B-page φ α c β 2010 Microchip Technology Inc. ...
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... PP %RG\ >62,&@ 1RWH 2010 Microchip Technology Inc. 25AA02E48 DS22123B-page 17 ...
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... N PIN LASER MARK 1RWHV DS22123B-page φ 2010 Microchip Technology Inc. ...
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... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging 2010 Microchip Technology Inc. 25AA02E48 DS22123B-page 19 ...
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... APPENDIX A: REVISION HISTORY Revision A (12/08) Original release of this document. Revision B (04/10) Removed Preliminary status; Revised Section 2.0; Add sentence to Section 3.0; Add SOT-23 Land Pattern. DS22123B-page 20 2010 Microchip Technology Inc. ...
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... Customers representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com 25AA02E48 should contact their distributor, DS22123B-page 21 ...
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... Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y Device: 25AA02E48 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 ...
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... OT = SOT-23, 6-lead (Tape and Reel only) 2010 Microchip Technology Inc. /XX Examples: Package a) 25AA02E48-I/SN = 2k-bit, 16-byte page, 1.8V Serial EEPROM, Industrial temp., SOIC pack- age b) 25AA02E48T-I/SN = 2k-bit, 16-byte page, 1.8V Serial EEPROM, Industrial temp., Tape & Reel, SOIC package c) 25AA02E48T-I/OT = 2k-bit, 16-byte page, 1.8V Serial EEPROM, Industrial temp., Tape & ...
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... NOTES: DS22123B-page 24 2010 Microchip Technology Inc. ...
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... 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. ...
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