25AA080/P Microchip Technology, 25AA080/P Datasheet
25AA080/P
Specifications of 25AA080/P
25AA080/PR
Available stocks
Related parts for 25AA080/P
25AA080/P Summary of contents
Page 1
... Microchip Technology Inc. Not recommended for new designs – Please use 25AA080A/B or 25LC080A/B. 25AA080/25LC080/25C080 ™ Bus Serial EEPROM Description: The Microchip Technology Inc. 25AA080/25LC080/ Temp. 25C080 (25XX080 Ranges Erasable PROMs. The memory is accessed via a I simple Serial Peripheral Interface™ (SPI™) compati- ble serial bus ...
Page 2
... — 1. 1. 4.5V to 5.5V (25C080 only) CC Test Conditions 2.7V (Note) 2.7V (Note) < 2.7V (Note) < 2. 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 2004 Microchip Technology Inc. ...
Page 3
... 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™ Model which can be obtained from Microchip’s web site at: www.microchip.com. 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 Industrial (I -40° ...
Page 4
... SERIAL INPUT TIMING CS 2 Mode 1,1 SCK Mode 0 MSB in SO FIGURE 1-3: SERIAL OUTPUT TIMING SCK 13 MSB out SO SI DS21230D-page High-impedance n don’t care High-impedance 14 don’t care LSB in 3 Mode 1,1 Mode 0,0 15 ISB out 2004 Microchip Technology Inc. ...
Page 5
... AC Test Conditions AC Waveform 0. 0. 4.0V HI Timing Measurement Reference Level Input Output Note 1: For V 4. For V > 4.0V CC 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 FIGURE 1-4: — (Note 1) (Note TEST CIRCUIT V CC 2.25 K 100 pF 1.8 K DS21230D-page 5 ...
Page 6
... To resume serial communication, HOLD must be brought high while the SCK pin is low, otherwise serial commu- nication will not resume. Lowering the HOLD line at any time will tri-state the SO line. 2004 Microchip Technology Inc. ...
Page 7
... WREN 0000 0110 RDSR 0000 0101 WRSR 0000 0001 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 3.3 Write Sequence Prior to any attempt to write data to the 25XX080, 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 25XX080 ...
Page 8
... BYTE WRITE SEQUENCE SCK instruction High-impedance SO FIGURE 3-3: PAGE WRITE SEQUENCE SCK instruction SCK data byte DS21230D-page 16-bit address 16-bit address 16-bit address data byte data out Twc data byte data byte data byte n (16 max 2004 Microchip Technology Inc. ...
Page 9
... SI SO FIGURE 3-5: WRITE DISABLE SEQUENCE CS SCK SI SO 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 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 ...
Page 10
... These bits are set by the user issuing the WRSR instruction. These bits are nonvolatile. 0 ’, no write is See Figure 3-6 for the RDSR timing sequence data from Status register ’, the latch 0 ’, the latch 2004 Microchip Technology Inc. ...
Page 11
... Status register are disabled. See Table 3-3 for a matrix of functionality on the WPEN bit. See Figure 3-5 for the WRSR timing sequence. FIGURE 3-7: WRITE STATUS REGISTER TIMING SEQUENCE SCK instruction 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 TABLE 3-2: BP1 data to Status register ...
Page 12
... 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 Unprotected Blocks Protected 0 Protected 1 Protected 1 Protected 1 Status Register Protected Protected Writable Writable Writable Protected Writable Writable 2004 Microchip Technology Inc. ...
Page 13
... Standard PICmicro device marking consists of Microchip part number, year code, week code, and traceability code. For PICmicro device marking 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. 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 Example: 25LC080 ...
Page 14
... 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. 2004 Microchip Technology Inc. ...
Page 15
... 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 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 ...
Page 16
... APPENDIX A: REVISION HISTORY Revision D Added note to page 1 header (Not recommended for new designs). Updated document format. DS21230D-page 16 2004 Microchip Technology Inc. ...
Page 17
... Links to other useful web sites related to Microchip Products • Conferences for products, Development Systems, technical information and more • Listing of seminars and events 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 SYSTEMS INFORMATION AND UPGRADE HOT LINE The Systems Information and Upgrade Line provides system users a listing of the latest versions of all of Microchip's development systems software products ...
Page 18
... 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? DS21230D-page 18 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21230D 2004 Microchip Technology Inc. ...
Page 19
... 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. 2004 Microchip Technology Inc. 25AA080/25LC080/25C080 XXX Examples: ...
Page 20
... NOTES: DS21230D-page 20 2004 Microchip Technology Inc. ...
Page 21
... PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel and Total Endurance 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 22
... Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Waegenburghtplein 4 NL-5152 JR, Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 05/28/04 2004 Microchip Technology Inc. ...