參數(shù)資料
型號(hào)： BR24L16FVM-W
廠商： Rohm CO.,LTD.
英文描述： 2k】8 bit electrically erasable PROM
中文描述： 2k】8位電可擦除可編程ROM
文件頁(yè)數(shù)： 17/26頁(yè)
文件大小： 390K
代理商： BR24L16FVM-W
BR24L16-W / BR24L16F-W / BR24L16FJ-W /
Memory ICs
BR24L16FV-W / BR24L16FVM-W
17/25
5) Notes for power supply
V
CC
rises through the low voltage region in which internal circuit of IC and the controller are unstable, so that device
may not work properly due to an incomplete reset of internal circuit.
To prevent this, the device has the feature of P.O.R. and LV
CC
.
In the case of power up, keep the following conditions to ensure functions of P.O.R and LV
CC
.
(1) It is necessary to be “SDA=H” and “SCL=’L’ or ‘H’ ”.
(2) Follow the recommended conditions of t
R
, t
OFF
, Vbot for the function of P.O.R. during power up.
t
R
t
OFF
Vbot
V
CC
rising wave from
V
CC
0
Recommended conditions of t
R
, t
OFF
, Vbot
Below 10ms
Below 100ms
t
R
t
OFF
Vbot
Below 0.3V
Below 0.2V
Above 10ms
Above 10ms
(3) Prevent SDA and SCL from being “Hi-Z”.
In case that condition 1. and / or 2. cannot be met, take following actions.
A) Unable to keep condition 1. (SDA is “LOW” during power up.)
→
Control SDA, SCL to be “HIGH” as figure below.
t
LOW
t
DH
t
SU:DAT
After V
CC
becomes stable
SDA
SCL
V
CC
a) SCL
=
"H" and SDA
=
"L"
t
SU:DAT
After V
CC
becomes stable
b) SCL
=
"L" and SDA
=
"L"
B) Unable to keep condition 2.
→
After power becomes stable, execute software reset. (See page14 )
C) Unable to keep condition 1 and 2.
→
Follow the instruction A first, then the instruction B.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BR24L16FVM-WE2 制造商:ROHM 制造商全稱:Rohm 功能描述:High Reliability Series EEPROMs I2C BUS
BR24L16FVM-WTR 功能描述:電可擦除可編程只讀存儲(chǔ)器 SRL 2KX8 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
BR24L16FVT-W 制造商:ROHM 制造商全稱:Rohm 功能描述:I2C BUS 16Kbit (2,048 x 8bit) EEPROM
BR24L16FVT-WE2 功能描述:電可擦除可編程只讀存儲(chǔ)器 I2C BUS 16Kbit 1.8-5.5V Supply 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
BR24L16FVT-WTR 制造商:ROHM 制造商全稱:Rohm 功能描述:High Reliability Series EEPROMs I2C BUS
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