25LC320-I/SN Microchip Technology, 25LC320-I/SN Datasheet
25LC320-I/SN
Specifications of 25LC320-I/SN
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25LC320-I/SN Summary of contents
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... HOLD SCK *25XX320 is used in this document as a generic part number for the 25AA320/25LC320/25C320 devices. © 2008 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 ...
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... ELECTRICAL CHARACTERISTICS (†) Absolute Maximum Ratings V .............................................................................................................................................................................7.0V CC All inputs and outputs w.r.t. V ........................................................................................................ -0. Storage temperature .................................................................................................................................-65°C to 150°C Ambient temperature under bias ...............................................................................................................-40°C to 125°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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... 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°C to +85°C ...
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... FIGURE 1-1: HOLD TIMING CS SCK HOLD FIGURE 1-2: 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 ...
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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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... PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Name PDIP SOIC — — Vss SCK 6 NC — — HOLD 7 Vcc 8 2.1 Chip Select (CS) A low level on this pin selects the device. A high level deselects the device and forces it into Standby mode ...
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... 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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... FIGURE 3-1: READ SEQUENCE SCK Instruction High-Impedance SO FIGURE 3-2: 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 1 ...
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... 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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... Read Status Register Instruction (RDSR) The Read Status Register instruction (RDSR) provides access to the STATUS register. The STATUS register may be read at any time, even during a write cycle. The STATUS register is formatted as follows WPEN BP1 BP0 The Write-In-Process (WIP) bit indicates whether the 25XX320 is busy with a write operation. When set to a ‘ ...
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... 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: BP1 ...
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... Data Protection The following protection has been implemented to prevent inadvertent writes to the array: • The write enable latch is reset on power-up • A WRITE ENABLE instruction must be issued to set the write enable latch • After a byte write, page write or STATUS register write, the write enable latch is reset • ...
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... 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: 25LC320 /PNNN YYWW Example: 25LC320 e 3 I/SN YYWW NNN Example: Example: 5LBX ...
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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: • Distributor or Representative • ...
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... Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y Device: 25AA320/25LC320/25C320 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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... 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., SOIC package d) 25C320-I/SN: Industrial 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 ...