25LC080B-E/SN Microchip Technology, 25LC080B-E/SN Datasheet
25LC080B-E/SN
Specifications of 25LC080B-E/SN
Related parts for 25LC080B-E/SN
25LC080B-E/SN Summary of contents
Page 1
... Device Selection Table Part Number V Range CC 25LC080A 2.5-5.5V 25AA080A 1.8-5.5V 25LC080B 2.5-5.5V 25AA080B 1.8-5.5V Features • Max. clock 10 MHz • Low-power CMOS technology • 1024 x 8-bit organization • 16 byte page (‘A’ version devices) • 32 byte page (‘B’ version devices) • ...
Page 2
... V < 2. -400 μ OUT 25°C, CLK = 1.0 MHz, = 5.0V (Note) = 5.5V 10.0 MHz; CLK = 2.5V 5.0 MHz; CLK = 5.5V = 5.5V, Inputs tied -40°C +125°C AMB TO = 2.5V, Inputs tied -40°C +85°C AMB TO © 2007 Microchip Technology Inc. ...
Page 3
... Total Endurance™ Model which can be obtained from our web site: 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. Industrial (I -40°C to +85°C AMB Automotive (E -40° ...
Page 4
... E/W (Note 2) Cycles — (Note 1) (Note 1. 2.5V to 5.5V CC Test Conditions ≤ 5.5V CC < 4.5V CC < 2.5V CC ≤ 5.5V (Note 1) CC < 4.5V (Note 1) CC < 2.5V (Note 1) CC ≤ 5.5V CC < 4.5V CC < 2.5V CC © 2007 Microchip Technology Inc. ...
Page 5
... SI HOLD FIGURE 1-2: 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 high-impedance n don’t care high-impedance 14 don’t care 25XX080A n n LSB in ...
Page 6
... WPEN, WIP, WEL, BP1 and BP0 bits (Figure 2-6). A read attempt of a memory array location will not be possible during a write cycle. When the write cycle is completed, the write enable latch is reset. current page (overwriting data © 2007 Microchip Technology Inc. ...
Page 7
... READ SEQUENCE SCK instruction high-impedance SO © 2007 Microchip Technology Inc. Status HV Generator Register EEPROM Memory X Array Control Logic Logic Dec 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 ...
Page 8
... FIGURE 2-2: BYTE WRITE SEQUENCE SCK instruction high-impedance SO FIGURE 2-3: PAGE WRITE SEQUENCE SCK instruction SCK data byte DS21808D-page 16-bit address 16-bit address data byte Twc data byte data byte data byte n (16/32 max © 2007 Microchip Technology Inc. ...
Page 9
... FIGURE 2-5: WRITE DISABLE SEQUENCE (WRDI) CS SCK SI SO © 2007 Microchip Technology Inc. The following is a list of conditions under which the write enable latch will be reset: • Power-up • WRDI instruction successfully executed • WRSR instruction successfully executed • WRITE instruction successfully executed ...
Page 10
... WRSR instruction, which WEL WIP is in Figure 2-7. These bits are nonvolatile and are shown in Table 2-3. See Figure 2-6 for the RDSR timing sequence. 0 ’, no write data from Status Register ’, the latch prohibits writes © 2007 Microchip Technology Inc. ...
Page 11
... Status Register are disabled. See Table 2-4 for a matrix of functionality on the WPEN bit. FIGURE 2-7: WRITE STATUS REGISTER TIMING SEQUENCE (WRSR SCK instruction © 2007 Microchip Technology Inc. See Figure 2-7 for the WRSR timing sequence. TABLE 2-3: BP1 data to Status Register 7 ...
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 x Protected x Protected Protected Status Register Protected Protected Writable Writable Writable Protected Writable Writable © 2007 Microchip Technology Inc. ...
Page 13
... WP pin grounded and still be able to write to the Status Register. The WP pin functions will be enabled when the WPEN bit is set high. © 2007 Microchip Technology Inc. 25XX080A/B 3.4 Serial Input (SI) The SI pin is used to transfer data into the device. It receives instructions, addresses and data ...
Page 14
... Example: 25LC080A e I/P 1L7 3 0628 Example: 25L080AI 0628 1L7 Example: TSSOP 1st Line Marking Codes 5L8A I628 Device 1L7 25AA080A 25AA080B 25LC080A 25LC080B © 2007 Microchip Technology Inc. Code 5A8A 5A8B 5L8A 5L8B Code 5A8A 5A8B 5L8A 5L8B ...
Page 15
... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 3. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc ...
Page 16
... E1 .240 D .348 L .115 c .008 b1 .040 b .014 eB – c NOM MAX 8 – .210 .130 .195 – – .310 .325 .250 .280 .365 .400 .130 .150 .010 .015 .060 .070 .018 .022 – .430 Microchip Technology Drawing C04-018B © 2007 Microchip Technology Inc. ...
Page 17
... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc ...
Page 18
... A1 0.05 E 6.40 BSC E1 4.30 4.40 D 2.90 3.00 L 0.45 0.60 L1 1.00 REF φ 0° c 0.09 b 0.19 φ L MAX 8 – 1.20 1.05 – 0.15 4.50 3.10 0.75 – 8° – 0.20 – 0.30 Microchip Technology Drawing C04-086B © 2007 Microchip Technology Inc. ...
Page 19
... APPENDIX A: REVISION HISTORY Revision C (10/2006) Updated Package Drawings and Product ID System. Revision D (2/2007) Replace Package Drawings; Revise Product ID System (SOIC-SN package). © 2007 Microchip Technology Inc. 25XX080A/B DS21808D-page 19 ...
Page 20
... NOTES: DS21808D-page 20 © 2007 Microchip Technology Inc. ...
Page 21
... 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. CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • Distributor or Representative • ...
Page 22
... 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? DS21808D-page 22 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21808D © 2007 Microchip Technology Inc. ...
Page 23
... Kbit, 16-byte page, 1.8V Serial EEPROM, Industrial temp., Tape & Reel, SOIC package 25LC080BT-I/ Kbit, 32-byte page, 2.5V Serial EEPROM, Industrial temp., Tape & Reel, SOIC package 25LC080BT-I/ Kbit, 32-byte page, 2.5V Serial EEPROM, Industrial temp., Tape & Reel, TSSOP package DS21808D-page 23 ...
Page 24
... NOTES: DS21808D-page 24 © 2007 Microchip Technology Inc. ...
Page 25
... Select Mode, Smart Serial, SmartTel, 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. ...
Page 26
... 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 © 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 Tel: 33-1-69-53-63-20 ...