参数资料
型号: BR34E02FVT-WE2
厂商: Rohm Semiconductor
文件页数: 6/19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
Technical Note
4
4
5
SPEC2
3
SPEC2
3
4
2
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
2
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
3
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
2
1
SPEC2
SPEC1
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
1
SPEC2
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
1
SPEC1
Ta=85 ℃
Ta=25 ℃
Ta=-40
0
SPEC1
0
0
SPEC1
1
2
3
4
0
0
1
2
3
4
0
1
2
3
4
VCC[V]
VCC[V]
VCC[V]
Fig.22 Output Data Delay Time
tPD
Fig.23 Output Data Hold Time
tDH
Fig.24 Stop Condition Setup Time
tSU:STO
5
6
0.6
SPEC1:FAST-MODE
4
SPEC2
5
SPEC1,2
0.5
SPEC2:STANDARD-MODE
Ta=-40 ℃
3
4
Ta=-40 ℃
Ta=25 ℃
0.4
Ta=25 ℃
2
1
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
SPEC1
Ta=85 ℃
Ta=25 ℃
3
2
1
Ta=85 ℃
0.3
0.2
0.1
Ta=85 ℃
SPEC1,2
Ta=-40 ℃
SPEC1:FAST-MODE
0
0
SPEC2:STANDARD-MODE
0
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
VCC[V]
Fig.25 Bus Free Time
tBUF
VCC[V]
Fig.26 Write Cycle Time
tWR
VCC[V]
Fig.27 Noise Spike Width
tI(SCL H)
0.6
0.5
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
0.6
0.5
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
0.6
0.5
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
0.4
0.3
0.2
Ta=25 ℃
Ta=-40 ℃
0.4
0.3
0.2
Ta=25 ℃
Ta=-40 ℃
Ta=85 ℃
0.4
0.3
0.2
Ta=25 ℃
Ta=-40 ℃
Ta=85 ℃
Ta=85 ℃
0.1
SPEC1,2
0.1
SPEC1,2
0.1
SPEC1,2
0
0
0
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
VCC[V]
Fig.28 Noise Spike Width
tI(SCL L)
0.2
1.2
VCC[V]
Fig.29 Noise Spike Width
tI(SDA H)
VCC[V]
Fig.30 Noise Spike Width
tI(SDA L)
0
SPEC1,2
1
SPEC1,2
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
0.8
SPEC1:FAST-MODE
-0.2
0.6
SPEC2:STANDARD-MODE
-0.4
Ta=85 ℃
Ta=25 ℃
0.4
Ta=-40 ℃
-0.6
Ta=-40 ℃
0.2
0
Ta=25 ℃
Ta=85 ℃
0
1
2
3
4
0
1
2
3
4
VCC[V]
Fig.31 WP Setup Time
tSU:WP
VCC[V]
Fig.32 WP High Period
tHigh:WP
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? 2009 ROHM Co., Ltd. All rights reserved.
6/18
2009.09 - Rev.B
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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