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参数资料
| 型号： | BR34E02FVT-WE2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 4/19页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM SPD 2KB I2C 8TSSOP |
| 标准包装： | 3,000 |
| 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 ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
BR34E02FVT-W, BR34E02NUX-W
● Block diagram
Technical Note
A0 1
8bit
PROTECT_MEMORY_ARRY
2Kbit_MEMORY_ARRY
8bit
8 V CC
A1 2
ADDRESS
DECODER
8bit
SLAVE , WORD
ADDRESS
DATA
REGISTE
7 WP
GS
START
STOP
A2 3
CONTOROL LOGIC
ACK
6 SCL
GND 4
HIGH VOLTAGE
V CC LEVEL
5 SDA
Fig.2 Blo
● Pinout diagram and description
Pin Name
Input/Output
Functions
A0 1
8 V CC
V CC
GND
-
-
Power Supply
Ground 0V
A1 2
BR34E02FVT-W
7 WP
A0,A1,A2
IN
Slave Address Set.
A2 3
GND 4
BR34E02NUX-W
6 SCL
5 SDA
SCL
SDA
WP
IN
IN / OUT
IN
Serial Clock Input
Slave and Word Address,
Serial Data Input, Serial Data Output
Write Protect Input
*1
*2
Fig.3 Pin Configuration
*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.
● Electrical characteristics curves
The following characteristic data are typ. value.
6
5
1
0.8
4
0.6
SPEC
Ta=85 ℃
Ta=-40 ℃
Ta=25 ℃
3
2
1
Ta=85 ℃
Ta=-40 ℃
Ta=25 ℃
0.4
0.2
SPEC
Ta=25 ℃
Ta=85 ℃
0
SPEC
0
Ta=-40 ℃
0
1
2
3
4
0
1
2
3
4
VCC[V]
IOL1[mA]
Fig.4 "H" Input Voltage VIH
(A0,A1,A2,SCL,SDA,WP)
1
Fig.5 "L" Input Voltage VIL
(A0,A1,A2,SCL,SDA,WP)
1.2
Fig.6 "L" Output Voltage VOL1-IOL1
(V CC =2.5V)
16
0.8
1
SPEC
SPEC
12
0.8
0.6
0.6
8
0.4
Ta=85 ℃
0.2
SPEC
Ta=25 ℃
Ta=-40 ℃
0.4
0.2
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
4
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
0
0
0
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
IOL2[mA]
Fig.7 "L" Output Voltage VOL2-IOL2
(V CC =1.7V)
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
VCC[V]
Fig.8 Input Leakage Current ILI1
(A0,A1,A2,SCL,SDA)
4/18
VCC[V]
Fig.9 Input Leakage Current ILI2
(WP)
2009.09 - Rev.B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BR34E02FVT-WTR | 制造商:ROHM 制造商全称:Rohm 功能描述:DDR/DDR2 (For memory module) SPD Memory |
| BR34E02NUX-3E2 | 制造商:ROHM 制造商全称:Rohm 功能描述:Serial EEPROM Series Standard EEPROM Plug & Play EEPROM |
| BR34E02NUX-3TR | 制造商:ROHM 制造商全称:Rohm 功能描述:Serial EEPROM Series Standard EEPROM Plug & Play EEPROM |
| BR34E02NUX-W | 制造商:ROHM Semiconductor 功能描述: |
| BR34E02NUX-WE2 | 制造商:ROHM 制造商全称:Rohm 功能描述:DDR/DDR2 (For memory module) SPD Memory |
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