參數(shù)資料
型號(hào)： BR34L02FV-W
廠商： Rohm CO.,LTD.
英文描述： 256? bit Electrically Erasable PROM
中文描述： 256？位電可擦除可編程ROM
文件頁數(shù)： 19/25頁
文件大小： 529K
代理商： BR34L02FV-W
BR34L02FV-W
Memory ICs
8) Notes for noise on V
CC
About bypass capacitor
Noise and surges on power line may cause the abnormal function. It is recommended that the bypass capacitors
(0.1
μ
F) are attached on the V
CC
and GND line beside the device.
The attachment of bypass capacitors on the board near by connector is also recommended.
Rev.A
19/24
GND
V
CC
PRINT BASE
IC
capacitor 0.01 to 0.1
μ
F
capacitor 10 to 100
μ
F
9) The notice about the connection of controller
About R
S
The open drain interface is recommended for SDA port in I
2
C BUS. But, in the case that Tri-state CMOS interface is
applied to SDA, insert a series resister R
S
between SDA pin of the device and a pull up resister R
PU
.
It limits the current from PMOS of controller to NMOS of EEPROM.
R
S
also protects SDA pin from surges. Therefore, R
S
is able to be used though SDA port is open drain.
SDA PIN
R
PU
R
S
CONTROLLER
EEPROM
"H" OUTPUT OF
CONTROLLER
"L" OUTPUT OF
EEPROM
ACK
SCL
SDA
The "H" output of controller
and the "L" output of EEPROM may cause
current overload to SDA line.
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參數(shù)描述
BR34L02FV-W_09 制造商:ROHM 制造商全稱:Rohm 功能描述:DDR1/DDR2 For memory module) SPD Memory
BR34L02FV-WE2 功能描述:電可擦除可編程只讀存儲(chǔ)器 SRL 256X8 BIT RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
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