- 您现在的位置：买卖IC网 > Sheet目录315 > BD7844AEFV-E2 (Rohm Semiconductor)IC LED DISPLAY DVR 5V 28-HTSSOP
BD7844AEFV
● Logic signal timing specification (Unless otherwise specified, Ta=25 ℃ , VDD=5.0V, GND=0V)
Datasheet
Parameter Symbol
Limits
Min. Typ. Max.
Unit
Conditions
and START condition
SCL Clock frequency 1
SCL Clock frequency 2
Bus free time between a STOP
*1
Hold time (repeated) START condition.
After this period, the first clock is generated
Set-up time for a repeated START condition
Set-up time for STOP condition
SDA Data hold time
f SCL1
f SCL2
t BUF
t HD;STA
t SU;STA
t SU;STO
t HD;DAT
-
-
500
260
260
260
0
-
-
-
-
-
-
-
1.0
2.0
-
-
-
-
-
MHz
MHz
ns
ns
ns
ns
ns
I2CSEL=H : SDA=I/O
I2CSEL =L : SDA=input
SDA data valid acknowledge time
*2
t VD;ACK
-
-
450
ns
I2CSEL =H : SDA=I/O
SDA data valid time
*3
t VD;DAT
-
-
450
ns
I2CSEL =H : SDA=I/O
SDA Data set-up time
t SU;DAT
50
-
-
ns
SCL clock low period1
SCL clock high period1
SCL, SDA fall time1
SCL, SDA rise time1
SCL clock low period2
SCL clock high period2
SCL, SDA fall time2
SCL, SDA rise time2
Pulse width of spikes which must be
suppressed by SCL, SDA filter
Reset pulse width *4
t LOW1
t HIGH1
t f1
t r1
t LOW2
t HIGH2
t f2
t r2
t SP
t W
500
260
-
-
230
250
-
-
-
-
-
-
-
-
-
-
-
-
50
10
-
-
120
120
-
-
50
50
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
I2CSEL =H : SDA=I/O
I2CSEL =H : SDA=I/O
I2CSEL =H : SDA=I/O
I2CSEL =H : SDA=I/O
I2CSEL =L : SDA=input
I2CSEL =L : SDA=input
I2CSEL =L : SDA=input
I2CSEL =L : SDA=input
*1)
*2)
*3)
*4)
Keep more than 100μs Bus free time after power on.
tVD;ACK :Time for acknowledge signal from SCL=’L’ to SDA(output)=’L’
tVD;DAT :Time for from SCL=’L’ to SDA valid data output
Miss-operation is likely to happen with reset in accessing I 2 C bus.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/14
TSZ02201-0G3G0CZ00310-1-2
15.Oct.2012 Rev.001
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
BD8105FV-E2
IC LED DVR SERIAL PAR 20-SSOP
BD8112EFV-ME2
IC LED DRIVER 24-VSSOP
BD8119FM-ME2
IC WHITE LED DVR PWM 28-HSOP
BD82103GWL-E2
IC LED DRVR WHITE BCKLGT 11-UCSP
BD9206EFV-E2
IC LED DRIVER 6V LCD 20HTSSOP
BD9207FPS-E2
IC LED DVR STEPDWN 1.5A TO252S-5
BH-14E_TI-20T_CTI
ADAPTER PIN CONVERTER 14-20 PIN
BH-20E_CTI-60T_TI
ADAPTER PIN CONVERTER 20-60 PIN
相关代理商/技术参数
BD785
制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
BD7851FP
制造商:ROHM 制造商全称:Rohm 功能描述:Serial / Parallel 4-input Drivers
BD7851FP-E2
功能描述:功率驱动器IC SERIAL IN/PARALLEL OUT DRIVER RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
BD786
制造商:未知厂家 制造商全称:未知厂家 功能描述:TRANSISTOR | BJT | DARLINGTON | PNP | 45V V(BR)CEO | 4A I(C) | TO-127VAR
BD7861KN-E2
制造商:ROHM 制造商全称:Rohm 功能描述:Mixer & Selector IC with PCM CODEC and 16bit D/A Converter
BD787
功能描述:两极晶体管 - BJT 4A 60V 15W NPN RoHS:否 制造商:STMicroelectronics 配置: 晶体管极性:PNP 集电极—基极电压 VCBO: 集电极—发射极最大电压 VCEO:- 40 V 发射极 - 基极电压 VEBO:- 6 V 集电极—射极饱和电压: 最大直流电集电极电流: 增益带宽产品fT: 直流集电极/Base Gain hfe Min:100 A 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PowerFLAT 2 x 2
BD787/D
制造商:未知厂家 制造商全称:未知厂家 功能描述:Complementary Plastic Silicon Power Transistors
BD787_06
制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Complementary Plastic Silicon Power Transistors