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1/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. high reliability serial eeproms wl-csp eeprom family spi bus BU9832GUL-W description BU9832GUL-W is a serial eeprom of spi bus interface method. features 1) high speed clock action up to 5mhz (max.) 2) wait function by hold terminal. 3) part or whole of memory arrays settable as read only memory area by program. 4) 1.8 ~ 5.5v single power source action most suitable for battery use. 5) page write mode useful for initia l value write at factory shipment. 6) for spi bus interface (cpol, cpha) = (0, 0), (1, 1) 7) auto erase and auto en d function at data rewrite. 8) low current consumption at write action (5v) : 1.5ma (typ.) at read action (5v) : 1.0ma (typ.) at standby action (5v) : 0.1a (typ.) 9) address auto increment function at read action 10) write mistake prevention function write prohibition at power on. write prohibition by command code (wrdi). write prohibition by wp pin. write prohibition block setting by status registers (bp1, bp0) write mistake prevention function at low voltage. 11) data at shipment memory array: ffh, status register wpen, bp1, bp0 : 0 12) data kept for 40 years. 13) data rewrite up to 1,000,000times. page write product number number of pages BU9832GUL-W 32 byte BU9832GUL-W type capacity bit format power source voltage package BU9832GUL-W 8kbit 1k8 1.8~5.5v vcsp50l2 absolute maximum ratings (ta=25 ) parameter symbol ratings unit impressed voltage vcc -0.3~+6.5 v permissible dissipation pd 220(vcsp50l2) *1 mw storage temperature range tstg -65~+125 operating temperature range topr -40~+85 terminal voltage D -0.3~vcc+0.3 v *1 when using at ta=25 or higher, 220mw to be reduced per 1 no.10001eat16
technical note 2/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W QQ QQ
technical note 3/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W ? ?
technical note 4/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W
technical note 5/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W 0 0.2 0.4 0.6 0.8 1 0123456 iol[ma] vol[v] ta=-40 ta=25 ta=85 spec 1.2 1.4 1.6 1.8 2 0 0.4 0.8 1.2 ioh[ma] voh[v] ta=-40 ta=25 ta=85 spec 0 0.5 1 1.5 0123456 vcc[v] ili[a] ta=-40 ta=25 ta=85 spec 0 0.5 1 1.5 0123456 vcc[v] ilo[a] spec ta=-40 ta=25 ta=85 0 1 2 3 4 0123456 vcc[v] icc1,2,3[ma] spec ta=-40 ta=25 ta=85 spec 0.1 1 10 100 0123456 vcc[v] fsck[mhz] spec ta=-40 ta=25 ta=85 spec 0 50 100 150 200 250 0123456 vcc[v] tsckwh[ns] ta=-40 ta=25 ta=85 spec spec 0 50 100 150 200 250 0123456 vcc[v] tsckwl[ns] ta=-40 ta=25 ta=85 spec spec 0 50 100 150 200 250 0123456 vcc[v] tcs[ns] ta=-40 ta=25 ta=85 spec spec 0 1 2 3 4 5 6 0123456 vcc[v] vih[v] spec ta=-40 ta=25 ta=85 0 1 2 3 4 5 6 0123456 vcc[v] vil[v] spec ta=-40 ta=25 ta=85 0 0.2 0.4 0.6 0.8 1 0123456 iol[ma] vol[v] ta=-40 ta=25 ta=85 spec 1.8 2 2.2 2.4 2.6 0 0.4 0.8 1.2 ioh[ma] voh[v] spec ta=-40 ta=25 ta=85 0 0.5 1 1.5 2 2.5 0123456 vcc[v] isb[a] ta=-40 ta=25 ta=85 spec 0 0.5 1 1.5 2 2.5 0123456 vcc[v] icc4,5[ma] ta=-40 ta=25 ta=85 spec spec fsk=5mhz data=55h fsk=5mhz data=55h
technical note 6/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W 0 30 60 90 120 0123456 vcc[v] tro[ns] ta=-40 ta=25 ta=85 spec spec -50 0 50 100 150 200 250 0123456 vcc[v] tcss[ns] ta=-40 ta=25 ta=85 spec spec 0 50 100 150 200 250 0123456 vcc[v] tcsh[ns] ta=-40 ta=25 ta=85 spec spec -40 -20 0 20 40 60 0123456 vcc[v] tdis[ns] spec ta=-40 ta=25 ta=85 spec 0 50 100 150 200 0123456 vcc[v] tpd1[ns] ta=-40 ta=25 ta=85 spec 0 50 100 150 200 250 300 0123456 vcc[v] toz[ns] ta=-40 ta=25 ta=85 spec spec -20 0 20 40 60 80 100 120 140 0123456 vcc[v] thfh[ns] ta=-40 ta=25 ta=85 spec spec -30 0 30 60 90 120 150 0123456 vcc[v] thrh[ns] ta=-40 ta=25 ta=85 spec spec 0 50 100 150 200 250 300 0123456 vcc[v] thoz[ns] ta=-40 ta=25 ta=85 spec spec -40 0 40 80 120 160 0123456 vcc[v] thpd[ns] ta=-40 ta=25 ta=85 spec spec 0 30 60 90 120 0123456 vcc[v] tfo[ns] spec spec ta=-40 ta=25 ta=85 0 10 20 30 40 50 60 0123456 vcc[v] tdih[ns] ta=-40 ta=25 ta=85 spec spec 0 50 100 150 200 0123456 vcc[v] tpd2[ns] ta=-40 ta=25 ta=85 spec 0 2 4 6 8 10 0123456 vcc[v] te/w[ms] spec ta=-40 ta=25 ta=85 pd spec spec
technical note 7/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W D D D
technical note 8/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W ? ? DDD DD D
technical note 9/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W 2. read command (read) fig.37 read command by read command, data of eeprom can be read. as for this command, set cs low, then input address after read ope code. eeprom starts data output of the designated address. data output is started from sck fall of 15 clock, and from d7 to d0 sequentially. this ic has increment read function. after output of data for 1 byte (8bits), by continuing input of sck, data of the next address can be read. increment read can r ead all the addresses of eeprom. after reading data of the most significant address, by continuing increment read, data of the most insignificant address is read. 3. write command (write) fig.38 write command by write command, data of eeprom can be written. as for this command, set cs low, then input address and data after write ope code. then, by making cs high, the eeprom starts writing. the write time of eeprom requires time of te/w (max 5ms). during te/w, other than status read command is not accepted. start cs after taking the last data (d0), and before the next sck clock starts. at ot her timing, write command is not execut ed, and this write command is cancelled. this ic has page write function, and after input of data for 1 byte (8 bits), by continuing data input without starting cs , data up to 16 bytes can be written for one te/w. in page write, the insignificant 4 bit of the designated address is incremented internally at every time when data of 1 byte is input and data is written to respective addresses. when data of the maximum bytes or higher is input, address rolls over, and previously input data is overwritten. high-z 1 1 0 0 3 7 1 2 d6 so cs sck si 4 5 * a 9 6 8 ** a 0 a 1 d7 23 30 24 d0 0 0 0 0 0 d2 d1 mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj mj d> d> d> d> d> d> d> d> d> d> * * d> d> d> d> d> d> d> d> d> d> d> d> d> d> d> d>
technical note 10/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W 4. status register write / read command fig.39 status register write command write status register command can writ e status register data. the data can be written by this command are 2 bits * 1 , that is, bp1 (bit3) and bp0 (bit2) among 8 bits of status register . by bp1 and bp0, write disable block of eeprom can be set. as for this command, set cs low, and input ope code of write status register, and input data. then, by making cs high, eeprom starts writing. write time requires ti me of te/w as same as write. as for cs rise, start cs after taking the last data bit (bit0), and before the next sck clock starts. at other timing, command is cancelled. write disable block is determined by bp1 and bp0, and the block can be selected from 1/4 of memory array, 1/2, and entire memory array. (refer to the write disable block setting table.) to the write disabled block, write cannot be made, and only read can be made. * 1
technical note 11/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W wp hold DDD DDD
technical note 12/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W ? ?
technical note 13/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W ??? ??? ? ? ? ??? ??? , ? tpd_vil characteristics spe c ?
technical note 14/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W spe c spe c
technical note 15/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W DDD DDDDDD DDD
technical note 16/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W
technical note 17/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W
technical note 18/18 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. BU9832GUL-W (unit : mm) vcsp50l2 (BU9832GUL-W) 2.090.1 1pin mark 1.850.1 0.55max 0.10.05 s 0.08 s 0.5450.1 (0.15)index post c 0.4250.1 b a p=0.52 8- 0.25 0.05 a ba 0.05 321 p=0.52 b ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs e2 () direction of feed reel 1pin
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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