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參數(shù)資料
| 型號： | 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)： | 20/25頁 |
| 文件大小： | 529K |
| 代理商： | BR34L02FV-W |
BR34L02FV-W
Memory ICs
The maximum value of R
S
The maximum value of R
S
is determined by following factors.
c
SDA rise time determined by R
PU
and the capacitance of bus line (CBUS) of SDA must be less than t
R
. And the
other timing must also keep the conditions of the AC timing.
d
When the device outputs LOW on SDA line, the voltage of the bus A determined by R
PU
and R
S
must be
lower than the inputs LOW level of the controller, including recommended noise margin (0.1V
CC
).
Rev.A
20/24
V
OL
V
IL
R
PU
V
CC
R
S
CONTROLLER
EEPROM
A
CAPACITANCE OF
BUS LINE (CBUS)
R
S
≤
×
R
PU
1.1V
CC
I
IL
V
IL
V
OL
0.1V
CC
R
S
≤
×
20
×
10
3
1.1
×
3
0.3
×
3
0.3
×
3
0.4
0.1
×
3
+
V
OL
+
0.1V
CC
≤
I
OL
(V
CC
V
OL
)
×
R
S
R
PU
+
R
S
≤
1.67 [k
]
Examples : When V
CC
=
3V, V
IL
=
0.3V
CC
, V
OL
=
0.4V, R
PU
=
20k
According to
2
The minimum value of Rs
The minimum value of R
S
is determined by the current overload due to the conflict on the bus.
The current overload may cause noises on the power line and instantaneous power down.
The following conditions must be met, where
Ι
is the maximum permissible current.
The maximum permissible current depends on V
CC
line impedance and so on. It need to be less than 10mA for
EEPROM.
R
S
≥
V
CC
Ι
R
S
≥
3
10
×
10
3
≤
Ι
V
CC
R
S
≥
300 [
]
Examples : When V
CC
=
3V,
Ι=
10mA
R
PU
R
S
CONTROLLER
EEPROM
"L" OUTPUT
"H" OUTPUT
MAXIMUM
CURRENT
Ι
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相關代理商/技術參數(shù) |
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|---|---|
| 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器 SRL 256X8 BIT RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| BR34L02-W | 制造商:ROHM 制造商全稱:Rohm 功能描述:2Kbit Serial I2C BUS EEPROM For SPD DRAM Memory Module |
| BR34-UPC | 制造商:Thomas & Betts 功能描述:GROUND ROD CLAMP 3/4 BRONZE |
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