View BR34L02FV-WE2_2335472.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. double-cell memory for plug & play ddr1/ddr2 (for memory module) spd memory br34l02fv-w description br34l02fv-w is 256 8 bit electrically erasable prom (based on serial presence detect) features 1) 256 8 bit architecture serial eeprom 2) wide operating voltage range: 1.7v-5.5v 3) two-wire serial interface 4) high reliability connection using au pads and au wires 5) self-timed erase and write cycle 6) page write function (16byte) 7) write protect mode write protect 1 (onetime rom) : 00h-7fh write protect 2 (hardwire wp pin) : 00h-ffh 8) low power consumption write ( at 5v ) :1.2ma (typ.) read ( at 5v ) :0.2ma(typ.) standby ( at 5v ) :0.1a(typ.) 9) data security write protect feature (wp pin) inhibit to write at low v cc 10) compact package: ssop-b8 11) high reliability fine pattern cmos technology 12) rewriting possible up to 1,000,000 times 13) data retention: 40 years 14) noise reduction filtered inputs in scl / sda 15) initial data ffh at all addresses absolute maximum ratings (ta=25 ) parameter symbol rating unit supply voltage v cc -0.3 +6.5 v power dissipation pd 300* mw storage temperature tstg -65 +125 operating temperature topr -40 +85 terminal voltage - -0.3 v cc +0.3 v * reduce by 3.0 mw/ ? c over 25 ? c recommended operating conditions parameter symbol rating unit supply voltage v cc 1.7 5.5 v input voltage in 0 v cc v memory cell characteristics(ta=25 , v cc =1.7v 5.5v) parameter specification unit min. typ. max. write / erase cycle *1 1,000,000 - - cycles data retention *1 40 - - years *1:not 100% tested no.09002eat04
br34l02fv-w technical note 2/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. Q Q Q Q Q Q Q Q Q Q Q Q Q
br34l02fv-w technical note 3/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved.
br34l02fv-w technical note 4/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. *1 open drain output requires a pull-up resistor. *2 wp pin has a pull-down resistor. please leave unconnected or connect to gnd when not in use.
br34l02fv-w technical note 5/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. 0 0.5 1 1.5 2 2.5 0123456 v cc [v] icc1[ma] 0 1 2 3 4 5 0123456 v cc [v] tlow[ R Q
br34l02fv-w technical note 6/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. 0 0.1 0.2 0.3 0.4 0.5 0.6 0123456 v cc [v] ti(scl h)[
br34l02fv-w technical note 7/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. ? ? ? ? ? ? ? ? ? ? ?
br34l02fv-w technical note 8/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. w r i t e s t a r t r / w a c k s t o p word address(n) data(n) sda line a c k a c k data(n+15) a c k slave address 1 0 0 1a0 a1a2 wa 7 d0 d7 d0 wa 0 ? ?
br34l02fv-w technical note 9/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. ? ? ? ? ?
br34l02fv-w technical note 10/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. write command slave data address word address slave address slave address slave address s t a r t s ??? ? ? ? * ???
br34l02fv-w technical note 11/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. an enlargement ? ? ?
br34l02fv-w technical note 12/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. microcontroller the capacitance of bus line (cbus) fig.43 i/o circuit R Q Q ? Q Q ? ? ? R ? R -3 Q R
br34l02fv-w technical note 13/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. vcc r s vcc i R Q R ? R Q Q Q Q ? ?
br34l02fv-w technical note 14/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved.
br34l02fv-w technical note 15/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved.
br34l02fv-w technical note 16/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved.
br34l02fv-w technical note 17/17 www.rohm.com 2009.04 - rev.a ? 2009 rohm co., ltd. all rights reserved. (unit : mm) ssop-b8 0.08 m 1234 5678 0.1 +0.06 - 0.04 0.22 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 ? 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
r0039 a www.rohm.com ? 2009 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, redundancy, 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, aerospace 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.

▲Up To Search▲

Price & Availability of BR34L02FV-WE2

	To Download BR34L02FV-WE2 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .