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| 型号： | BR34L02FV-WE2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 2KBIT 400KHZ 8SSOP |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 2K (256 x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-LSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-SSOPB |
| 包装： | 标准包装 |
| 产品目录页面： | 1379 (CN2011-ZH PDF) |
| 其它名称： | BR34L02FV-WE2DKR |
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 ) :0.1μA(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 ℃ )
No.09002EAT04
Parameter Symbol
Rating
Unit
Supply Voltage
Power Dissipation
Storage Temperature
V CC
Pd
Tstg
-0.3 ～ +6.5
300*
-65 ～ +125
V
mW
℃
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
Input Voltage
V CC
Ｖ IN
1.7 ～ 5.5
0 ～ V CC
V
V
● Memory cell characteristics(Ta=25 ℃ , V CC =1.7V ～ 5.5V)
Parameter
Specification
Min. Typ.
Max.
Unit
Write / Erase Cycle
Data Retention
*1
*1
1,000,000
40
-
-
-
-
Cycles
Years
*1:Not 100% TESTED
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
1/17
2009.04 - Rev.A
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