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| 1/16 www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. high reliability serial eeproms wl-csp eeprom family i 2 c bus bu99901guz-w description bu99901guz-w series is a serial eeprom of i 2 c bus interface method. features 1) completely conforming to the world standard i 2 c bus. all controls available by 2 ports of serial clock (scl) and serial data (sda) 2) other devices than eeprom can be connected to the same port, saving microcontroller port. 3) 1.7 3.6v single power source action most suitable for battery use. 4) fast mode 400khz at 1.7 3.6v 5) page write mode useful for initial value write at factory shipment. 6) auto erase and auto end function at data rewrite. 7) low current consumption at write operation (3.3v) : 0.6ma (typ.) at read operation (3.6v) : 0.6ma (typ.) at standby operation (3.6v) : 0.1a (typ.) 8) write mistake prevention function write (write protect) function added write mistake prevention function at low voltage 9) compact package 10) data rewrite up to 100,000 times 11) data kept for 40 years 12) noise filter built in scl / sda terminal 13) shipment data all address ffh page write product number bu99901guz-w number of pages 32byte absolute maximum ratings (ta=25 ) parameter symbol ratings unit impressed voltage v cc -0.3 +6.5 v permissible dissipation pd 220 *1 mw storage temperature range tstg -65 +125 action temperature range topr -40 +85 terminal voltage -0.3 vcc+1.0 *2 v *1 when using at ta=25 or higher, 2.2mw to be reduced per 1 *2 the max value of terminal voltage is not over 6.5v. memory cell characteristics (ta=25 , vcc=1.7 3.6v) parameter limits unit min. typ. max. number of data rewrite times *1 1,000,000 times data hold years *1 40 years *1 not 100% tested recommended operating conditions parameter symbol ratings unit power source voltage write vcc 2.7 3.3 v read 1.7 3.6 input voltage v in 0 vcc v no.10001eat15
technical note 2/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? QQ QQ Q Q Q Q QQ Q ? QQ QQ technical note 3/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. technical note 4/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. 0 0.2 0.4 0.6 0.8 1 1.2 0123456 vcc(v) ili(ua) spec ta=-40 ta=25 ta=85 0 0.2 0.4 0.6 0.8 1 0123456 iol2(ma) vol2(v) spec ta=-40 ta=25 ta=85 0 0.2 0.4 0.6 0.8 1 1.2 0123456 vcc(v) ilo(ua) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 6 0123456 vcc(v) vih1,2(v) ta=-40 ta=25 ta=85 spec 0 0.2 0.4 0.6 0.8 1 0123456 iol1(ma) vol1(v) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 6 0123456 vcc(v) vil1,2(v) ta=-40 ta=25 ta=85 spec technical note 5/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. -200 -100 0 100 200 300 0123456 vcc(v) tsu : dat(low) (ns) ta=-40 ta=25 ta=85 spec 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0123456 vcc(v) icc1(ma) spec ta=-40 ta=25 ta=85 0 0.5 1 1.5 2 2.5 0123456 vcc(v) isb(ua) spec ta=-40 ta=25 ta=85 -0.1 0.9 1.9 2.9 3.9 4.9 5.9 0123456 vcc(v) tsu:sta(us) ta=-40 ta=25 ta=85 spec 0.1 1 10 100 1000 10000 0123456 vcc(v) fsclhz spec ta=-40 ta=25 ta=85 -200 -150 -100 -50 0 50 0123456 vcc(v) thd:dat(high) (ns) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 0123456 supply voltage : vcc(v) thigh(us) spec ta=-40 ta=25 ta=85 thigh 0 1 2 3 4 5 0123456 vccv tlow(us) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 0123456 vcc(v) thd : sta(us) spec ta=-40 ta=25 ta=85 high su: dat(high) 0 1 2 3 4 0123456 vcc(v) tpd0(us) spec ta=-40 ta=25 ta=85 fig.24 data output delay time tpd0 -200 -150 -100 -50 0 50 0123456 vcc(v) thd :dat(ns) ta=-40 ta=25 ta=85 spec -200 -100 0 100 200 300 0123456 vcc(v) tsu: dat(high) (ns) ta=-40 ta=25 ta=85 spec -0.5 0 0.5 1 1.5 2 0123456 vcc(v) icc2(ma) ta=-40 ta=25 ta=85 spec 0 0.5 1 1.5 2 2.5 3 3.5 0123456 vcc(v) icc1(ma) spec ta=-40 ta=25 ta=85 0 0.1 0.2 0.3 0.4 0.5 0.6 0123456 vcc(v) icc2(ma) ta=-40 ta=25 ta=85 spec hd : dat(low technical note 6/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. 0 1 2 3 4 0123456 vcc(v) tpd1(us) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 0123456 vcc(v) tbuf(us) spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 6 0123456 vcc(v) twr(ms) spec ta=-40 ta=25 ta=85 0 0.2 0.4 0.6 0.8 1 0123456 vcc(v) ti(scl h) (us) spec ta=-40 ta=25 ta=85 tiscl h 0 0.1 0.2 0.3 0.4 0.5 0.6 0123456 vcc(v) ti(scl l) (us) spec ta=-40 ta=25 ta=85 0 0.1 0.2 0.3 0.4 0.5 0.6 0246 vcc(v) ti(sda h) (us) ta=-40 ta=25 ta=85 spec 0 0.1 0.2 0.3 0.4 0.5 0.6 0123456 vcc(v) ti(sad l) (us) spec ta=-40 ta=25 ta=85 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0123456 vcc(v) tsu : wp(us) spec ta=-40 ta=25 ta=85 0 0.2 0.4 0.6 0.8 1 1.2 0123456 vcc(v) thigh : wp(us) spec ta=-40 ta=25 ta=85 isda h buf wr tsu : wp thigh : wp i pd1 tiscl l technical note 7/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ? ? ? ? ? ? ? ? ? ? ? 89 89 89 s p condition condition ack stop ack data data addres s start r/w ack 1-7 sda scl 1-7 1-7 technical note 8/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ? ? ? ? ? ? technical note 9/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ??? ??? technical note 10/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ? ? ? ? ? technical note 11/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. technical note 12/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ? technical note 13/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. Q Q Q ? ? Q ? R Q R ?? R technical note 14/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. technical note 15/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. technical note 16/16 bu99901guz-w www.rohm.com 2010.09 - rev. a ? 2010 rohm co., ltd. all rights reserved. s 0.06 s a b ba 0.05 1pin mark 3 0.380.05 6- 0.250.05 1.760.05 2 1 0.2750.05 b 0.35max 1.050.05 a 0.080.05 0.5 p=0.52 (unit : mm) vcsp30l1 (bu99901guz-w) ? order quantity needs to be multiple of the minimum quantity. r1010 a www.rohm.com ? 2010 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the products. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redunda ncy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospac e machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law. |
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