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1/18 www.rohm.com 2010.12 - rev.b ? 2010 rohm co., ltd. all rights reserved. high reliability seri es serial eeproms spi bus br25 family br25s series description br25s series is a serial eeprom of spi bus interface method. features 1) high speed clock action up to 20mhz (max.) 2) wait function by holdb terminal 3) part or whole of memory arrays settable as read only memory area by program 4) 1.7 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) highly reliable connection by au pad and au wire 7) for spi bus interface (cpol, cpha) = (0, 0), (1, 1) 8) auto erase and auto end function at data rewrite 9) low current consumption at write action (5v) : 1.5ma (typ.) at read action (5v) : 1.0ma (typ.) at standby action (5v) : 0.1 a (typ.) 10) address auto increment function at read action 11) write mistake prevention function write prohibition at power on write prohibition by command code (wrdi) write prohibition by wpb pin write prohibition block setting by status registers (bp1, bp0) write mistake prevention function at low voltage 12) sop8/sop-j8/ssop-b8/tssop-b8/ms op8/tssop-b8j/vson008x2030 package 13) data at shipment memory array: ffh, status register wpen, bp1, bp0 : 0 14) data kept for 40 years 15) data rewrite up to 1,000,000 times page write page 32byte 64byte part number br25s320-w br25s640-w br25s128-w br25s256-w br25s series capacity bit format power source voltage sop8 sop-j8 ssop-b8 tssop-b8 msop8 tssop-b8j vson008 x2030 32kbit 4k 8 1.7v 5.5v 64kbit 8k 8 1.7v 5.5v 128kbit 16k 8 1.7v 5.5v 256kbit 32k 8 1.7v 5.5v no.10001ebt08
technical note 2/18 br25s QQ QQ Q Q Q Q
technical note 3/18 br25s Q Q Q Q instruction decode control clock generation voltage detection write inhibition high voltage generator instruction register 32256k eeprom address register data register address decoder read/write amp 8bit status register 1 csb 2 so 3 wpb 4 gnd 8 vcc 7 holdb 6 sck 5 si 1215bit * 1 8bit 1215bit * 1
technical note 4/18 br25s 0 0.2 0.4 0.6 0.8 1 0123456 iol[ma] vol1[v] ta=-40 ta=25 ta=85 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
technical note 5/18 br25s 2.2 2.3 2.4 2.5 2.6 0 0.4 0.8 1.2 ioh[ma] voh1[v] ta=-40 ta=25 ta=85 spec -0.5 0 0.5 1 1.5 0123456 vcc[v] ili[a] ta=-40 ta=25 ta=85 spec -0.5 0 0.5 1 1.5 0123456 vout[v] ilo[a] spec ta=-40 ta=25 ta=85 0 1 2 3 4 0123456 vcc[v] icc3[ma] data=00h spec ta=-40 ta=25 ta=85 0 2 4 6 8 10 0123456 vcc[v] icc10[ma] data=00h ta=-40 ta=25 ta=85 spec -1 0 1 2 3 4 5 0123456 vcc[v] isb[a] spec ta=-40 ta=25 ta=85 1 10 100 1000 0123456 vcc[v] fsck[mhz] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 140 0123456 vcc[v] tsckwh [ns] spec ta=-40 ta=25 ta=85 spec spec spec 0 20 40 60 80 100 120 140 0123456 vcc[v] tsckwl [ns] spec ta=-40 ta=25 ta=85 spec spec spec 0 50 100 150 200 250 300 0123456 vcc[v] tcs[ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 0123456 vcc[v] tcss[ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 1 2 3 4 0123456 vcc[v] icc3[ma] data=00h ta=-40 ta=25 ta=85 spec
technical note 6/18 br25s 0 20 40 60 80 100 120 0123456 vcc[v] tro [ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 0123456 vcc[v] tcsh[ns] spec ta=-40 ta=25 ta=85 spec spec spec -10 0 10 20 30 40 50 60 0123456 vcc[v] tdih[ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 30 60 90 120 150 180 210 0123456 vcc[v] toz [ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 0123456 vcc[v] thfh [ns] ta=-40 ta=25 ta=85 spec spec spec spec -10 10 30 50 70 90 110 130 0123456 vcc[v] thrh [ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 0123456 vcc[v] thoz [ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 0123456 vcc[v] thpd [ns] ta=-40 ta=25 ta=85 spec spec spec spe 0 20 40 60 80 100 120 0123456 vcc[v] tfo [ns] spec spec spec spec ta=-40 ta=25 ta=85 0 10 20 30 40 50 0123456 vcc[v] tdis[ns] ta=-40 ta=25 ta=85 spec spec spec spec 0 20 40 60 80 100 120 140 0123456 vcc[v] tpd [ns] spec ta=-40 ta=25 ta=85 spec spec spe c pd 0 2 4 6 8 0123456 vcc[v] te/w[ms] spec ta=-40 ta=25 ta=85
technical note 7/18 br25s D D D D
technical note 8/18 br25s high-z 6 03 7 12 45 csb sck so si 00000110 high-z 0000 si 0100 03 12 4 7 csb sck 5 6 so
technical note 9/18 br25s 9? =don't care 31 d0 0 0 0 0 0 d2 d1 d7 23 30 24 d6 0 a0a1 * 1 1 2 4 0 csb sck si so 0 3 7 8 5 6 a12 fig.38
technical note 10/18 br25s
technical note 11/18 br25s ?
technical note 12/18 br25s R ??? R ??? , R R R ??? Q ??? R R ? ? ?
technical note 13/18 br25s
technical note 14/18 br25s
technical note 15/18 br25s
technical note 16/18 br25s ? 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 2500pcs e2 () direction of feed reel 1pin (unit : mm) sop8 0.90.15 0.3min 4 + 6 ? 4 0.17 +0.1 - 0.05 0.595 6 43 8 2 5 1 7 5.00.2 6.20.3 4.40.2 (max 5.35 include burr) 1.27 0.11 0.420.1 1.50.1 s 0.1 s ? 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 2500pcs e2 () direction of feed reel 1pin (unit : mm) sop-j8 4 + 6 ?4 0.20.1 0.45min 234 5678 1 4.90.2 0.545 3.90.2 6.00.3 (max 5.25 include burr) 0.420.1 1.27 0.175 1.3750.1 0.1 s s
technical note 17/18 br25s ? 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 2500pcs e2 () direction of feed reel 1pin (unit : mm) ssop-b8 0.08 m 1234 5678 0.1 0.22 0.10 0.3min 0.65 (0.52) 3.0 0.2 0.15 0.1 6.4 0.3 1.15 0.1 4.4 0.2 (max 3.35 include burr) s 0.1 direction of feed reel ? 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 () 1pin (unit : mm) tssop-b8 0.08 s 0.08 m 4 4 234 8765 1 1.0 0.05 1pin mark 0.525 0.245 +0.05 ?0.04 0.65 0.145 +0.05 ?0.03 0.1 0.05 1.2max 3.0 0.1 4.4 0.1 6.4 0.2 0.5 0.15 1.0 0.2 (max 3.35 include burr) s direction of feed reel ? 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 2500pcs e2 () 1pin (unit : mm) tssop-b8j 0.08 m 0.08 s s 4 4 (max 3.35 include burr) 578 1234 6 3.0 0.1 1pin mark 0.95 0.2 0.65 4.9 0.2 3.0 0.1 0.45 0.15 0.850.05 0.145 0.10.05 0.32 0.525 1.1max +0.05 ?0.03 +0.05 ?0.04
technical note 18/18 br25s direction of feed reel ? 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 right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin (unit : mm) msop8 0.08 s s 4.00.2 8 3 2.80.1 1 6 2.90.1 0.475 4 57 (max 3.25 include burr) 2 1pin mark 0.9max 0.750.05 0.65 0.080.05 0.22 +0.05 ?0.04 0.60.2 0.290.15 0.145 +0.05 ?0.03 4 + 6 ?4 ? 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 right when you hold reel on the left hand and you pull out the tape on the right hand 4000pcs tr () direction of feed reel 1pin (unit : mm) vson008x2030 5 1 8 4 1.40.1 0.25 1.50.1 0.5 0.30.1 0.25 +0.05 ?0.04 c0.25 0.6max (0.12) 0.02 +0.03 ?0.02 3.00.1 2.00.1 1pin mark 0.08 s s
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 specified herein is subject to change for improvement without notice. the content specified 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 specifications, 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 specified 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 specified 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 specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified 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, fire or any other damage caused in the event of the failure of any product, such as derating, redunda ncy, fire 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 specified 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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