25lc020a Microchip Technology Inc., 25lc020a Datasheet
25lc020a
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25lc020a Summary of contents
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... SOT-23 (OT SCK HOLD *25XX020A is used in this document as a generic part number for the 25AA020A and the 25LC020A. Preliminary Packages P, MS, SN, ST, MC MS, SN, ST, MC, OT PDIP/SOIC (P, SN HOLD 7 HOLD ...
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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 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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... Total Endurance™ Model which can be obtained from Microchip’s web site at www.Microchip.com begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle WC is complete. © 2007 Microchip Technology Inc. 25AA020A/25LC020A Industrial (I -40°C to +85°C A Automotive (E -40° ...
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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 © 2007 Microchip Technology Inc. 25AA020A/25LC020A High-Impedance n Don’t Care High-Impedance 14 Don’t Care Preliminary ...
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... FUNCTIONAL DESCRIPTION 2.1 Principles of Operation The 25XX020A is a 256-byte Serial EEPROM designed to interface directly with the Serial Peripheral Interface (SPI) port of many of today’s popular microcontroller families, including Microchip’s PIC microcontrollers. It may also interface with microcon- trollers that do not have a built-in SPI port by using discrete I/O lines programmed properly in software to match the SPI protocol ...
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... SI High-Impedance SO © 2007 Microchip Technology Inc. 25AA020A/25LC020A HV Generator EEPROM Array Page Latches Y Decoder Sense Amp. R/W Control 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) ...
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... FIGURE 2-2: BYTE WRITE SEQUENCE SCK Instruction FIGURE 2-3: PAGE WRITE SEQUENCE SCK Instruction SCK Data Byte DS21833D-page 8 ...
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... FIGURE 2-5: WRITE DISABLE SEQUENCE (WRDI) CS SCK SI SO © 2007 Microchip Technology Inc. 25AA020A/25LC020A 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. See Figure 2-6 for the RDSR timing sequence. The STATUS register may be read at any time, even during a write cycle. The STATUS register is formatted as follows: TABLE 2-2: ...
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... Table 2-3. FIGURE 2-7: WRITE STATUS REGISTER TIMING SEQUENCE (WRSR SCK Instruction Note: An internal write cycle (T WC sequence. © 2007 Microchip Technology Inc. 25AA020A/25LC020A TABLE 2-3: BP1 Data to STATUS register ...
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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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... The SI pin is used to transfer data into the device. It receives instructions, addresses and data. Data is latched on the rising edge of the serial clock. © 2007 Microchip Technology Inc. 25AA020A/25LC020A 3.5 Serial Clock (SCK) The SCK is used to synchronize the communication between a master and the 25XX020A. Instructions, ...
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... TYWW NNN 8-Lead MSOP (150 mil) XXXXXT YWWNNN Part Number TSSOP Standard 5A2A 25AA020A 25LC020A 5L2A Note Temperature grade (I, E) Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘01’) ...
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... Package Marking Information (continued) 8-Lead 2X3 DFN XXX YWW NN 6-Lead SOT-23 XXNN © 2007 Microchip Technology Inc. 25AA020A/25LC020A Example: 411 627 L7 Example: 22L7 Preliminary DS21833D-page 15 ...
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... N NOTE DS21833D-page Preliminary c © 2007 Microchip Technology Inc. ...
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... N NOTE © 2007 Microchip Technology Inc. 25AA020A/25LC020A φ Preliminary α c β DS21833D-page 17 ...
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... DS21833D-page 18 Preliminary © 2007 Microchip Technology Inc. ...
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... D N NOTE © 2007 Microchip Technology Inc. 25AA020A/25LC020A Preliminary φ L DS21833D-page 19 ...
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... D N NOTE DS21833D-page Preliminary φ L © 2007 Microchip Technology Inc. ...
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... D N NOTE TOP VIEW A3 © 2007 Microchip Technology Inc. 25AA020A/25LC020A EXPOSED PAD BOTTOM VIEW A NOTE 2 A1 Preliminary NOTE DS21833D-page 21 ...
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... N PIN LASER MARK DS21833D-page Preliminary φ © 2007 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision B Corrections to Section 1.0, Electrical Characteristics. Revision C Added Packages SOT-23, DFN and X-rotated TSSOP; Revised AC Char., Params. 9, 10; Revised Package Legend. Revision D Revised Features (Pb-free); Replaced Package Drawings; Revised Product ID System. © 2007 Microchip Technology Inc. 25AA020A/25LC020A Preliminary DS21833D-page 23 ...
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... NOTES: DS21833D-page 24 Preliminary © 2007 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. © 2007 Microchip Technology Inc. 25AA020A/25LC020A 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: 25AA020A/25LC020A 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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... Serial EEPROM, Industrial temp., Tape & Reel, SOIC package d) 25LC020AT-I/ST = 2k-bit, 16-byte page, 2.5V Serial EEPROM, Industrial temp., Tape & Reel, TSSOP package e) 25LC020AT-E/SN = 2k-bit, 16-byte page, 2.5V serial EEPROM, Extended temp., Tape & Reel, SOIC Package Preliminary . DS21833D-page 27 ...
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... NOTES: DS21833D-page 28 Preliminary © 2007 Microchip Technology Inc. ...
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... Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. © 2007 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, K ...
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... 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 Preliminary © 2007 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 ...