25AA320X/ST Microchip Technology, 25AA320X/ST Datasheet
25AA320X/ST
Specifications of 25AA320X/ST
Related parts for 25AA320X/ST
25AA320X/ST Summary of contents
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... Microchip Technology Inc. Not recommended for new designs – Please use 25AA320A or 25LC320A. 25AA320/25LC320/25C320 Description: Temp. The Microchip Technology Inc. 25AA320/25LC320/ Ranges 25C320 (25XX320 Erasable PROMs. The memory is accessed via a I simple Serial Peripheral Interface (SPI) compatible I,E serial bus ...
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... CC Conditions ≥ 2.7V (Note) < 2.7V (Note) ≥ 2.7V (Note) < 2.7V (Note) = 1.0 mA, V < 2. -400 μ OUT 5.0V (Note) = 5.5V 3.0 MHz; CLK = 2.5V 2.0 MHz; CLK = 5.5V = 2.5V = 5.5V, Inputs tied 2.5V, Inputs tied © 2008 Microchip Technology Inc. ...
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... Note 1: This parameter is periodically sampled and not 100% tested. 2: This parameter is not tested but established 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. © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 Industrial (I -40° ...
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... SERIAL INPUT TIMING CS 2 Mode 1,1 Mode 0,0 SCK MSB in High-Impedance SO FIGURE 1-3: SERIAL OUTPUT TIMING SCK 13 MSB out SO SI DS21227F-page High-Impedance n Don’t Care Don’t Care LSB in 3 Mode 1,1 Mode 0,0 15 ISB out © 2008 Microchip Technology Inc. ...
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... TABLE 1-3: AC TEST CONDITIONS AC Waveform 0. 0. 4.0V HI Timing Measurement Reference Level Input Output ≤ 4.0V Note 1: For For V > 4.0V CC © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 FIGURE 1-4: — (Note 1) (Note TEST CIRCUIT V CC 2.25 KΩ 100 pF 1.8 KΩ DS21227F-page 5 ...
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... Lowering the HOLD line at any time will tri-state the SO line. Description Chip Select Input Serial Data Output Not Connected Write-Protect Pin Ground Serial Data Input Serial Clock Input Not Connected Hold Input Supply Voltage © 2008 Microchip Technology Inc. ...
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... WREN 0000 0110 RDSR 0000 0101 WRSR 0000 0001 © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 3.3 Write Sequence Prior to any attempt to write data to the 25XX320, the write enable latch must be set by issuing the WREN instruction (Figure 3-4). This is done by setting CS low and then clocking out the proper instruction into the 25XX320 ...
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... BYTE WRITE SEQUENCE SCK Instruction High-Impedance SO FIGURE 3-3: PAGE WRITE SEQUENCE SCK Instruction SCK Data Byte DS21227F-page 16-bit Address 16-bit Address 16-bit Address Data Byte Data Out Twc Data Byte Data Byte Data Byte n (32 max © 2008 Microchip Technology Inc. ...
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... SI SO FIGURE 3-5: WRITE DISABLE SEQUENCE CS SCK SI SO © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 The following is a list of conditions under which the write enable latch will be reset: • Power-up See • WRDI instruction successfully executed • WRSR instruction successfully executed • WRITE instruction successfully executed ...
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... These bits WEL WIP are set by the user issuing the WRSR instruction. These bits are nonvolatile. See Figure 3-6 for the RDSR timing sequence. 0 ’, no write Data from STATUS Register ’, the latch 0 ’, the latch © 2008 Microchip Technology Inc. ...
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... SCK Instruction © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 When the chip is hardware write-protected, only writes to nonvolatile bits in the STATUS register are disabled. See Table 3-3 for a matrix of functionality on the WPEN bit. See Figure 3-7 for the WRSR timing sequence. TABLE 3-2: ...
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... The device is in low-power Standby mode ( • The write enable latch is reset • high-impedance state • A low level required to enter active state . Protected Blocks Unprotected Blocks Protected 0 Protected 1 Protected 1 Protected 1 STATUS Register Protected Protected Writable Writable Writable Protected Writable Writable © 2008 Microchip Technology Inc. ...
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... Standard marking consists of Microchip part number, year code, week code, and traceability code. For device markings beyond this, certain price adders apply. Please check with your Microchip Sales Office. For QTP devices, any special marking adders are included in QTP price. © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 Example: ...
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... DS21227F-page 14 PLO %RG\ >3',3@ © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. 25AA320/25LC320/25C320 PP %RG\ >62,&@ α φ β DS21227F-page 15 ...
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... DS21227F-page 16 PP %RG\ >62,&@ © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. 25AA320/25LC320/25C320 PP %RG\ >76623@ I φ DS21227F-page 17 ...
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... DS21227F-page 18 PP %RG\ >76623@ I © 2008 Microchip Technology Inc. φ ...
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... APPENDIX A: REVISION HISTORY Revision D Corrections to Section 1.0, Electrical Characteristics. Revision E Revise Endurance from 100K to 1M. Revision F (June 2008) Added “Not Recommended” note; Updated Packaging; General updates. © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 DS21227F-page 19 ...
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... NOTES: DS21227F-page 20 © 2008 Microchip Technology Inc. ...
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... To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • ...
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... 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? DS21227F-page 22 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21227F © 2008 Microchip Technology Inc. ...
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... Plastic DIP (300 mil body), 8-lead SN = Plastic SOIC (150 mil body), 8-lead ST = Plastic TSSOP (4.4 mm body), 8-lead ST14 = Plastic TSSOP (4.4 mm body), 14-lead © 2008 Microchip Technology Inc. 25AA320/25LC320/25C320 XXX Examples: a) 25LC320-I/SN: Industrial Temp., Pattern SOIC package b) 25LC320T-I/SN: Tape and Reel, Industrial Temp., SOIC package c) 25LC320-E/SN: Extended Temp ...
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... NOTES: DS21227F-page 24 © 2008 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, 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. ...
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... 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 © 2008 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 ...