91R1DD22D13R51中文资料

DA221中文资料Diodes1/4Switching diodeDA221M / DA221 / DA204U / DA204K DA228U / DA228K /UMR12Nz Applications Bias circuitsProtection circuitsz Features1) Three types of packages are available. (VMD3, EMD3, UMD3, SMD3)2) Two diode elements are connected in series (V F × 2) per circuit.z ConstructionSilicon epitaxial planarz Circuitz External dimensions (Unit : mm)Diodes2/4z MarkingUMD3DA204UDA228U UMD6UMR12NR12SMD3DA204KDA228KK BUKBU EMD3DA221KVMD3DA221Mz Absolute maximum ratings (T a=25°C)Type V RM (V)V R (V)I FM (mA)I O (mA)I surge (mA)(1μs)(TOTAL)Pd(mW)Tj(°C)Tstg(°C)DA2212020200100300150150?55 to +150DA221M 2020200100300150150?55 to +150DA204U 2020200100300200150?55 to +150DA228K 8080200100300200150?55 to +150UMR12N808020010030020015055 to +15055 to +150DA228U 8080200100300200150?55 to +150DA204K 2020200100300200150Peak reverse voltage Peak forward current Mean rectifying current Surge current Power dissipation Junction temperatureStoragetemperature DC reverse voltagez Electrical characteristics (T a=25°C)TypeForward voltageV F (V)Max.I R (μA)Max.Reverse current Fig.Cond.Cond.I F (mA)V R (V)DA221 1.0100.115 1 to 4DA221M 1.0100.115 1 to 45 to 9UMR12N1.210080DA204U 1.0100.115 1 to 40.1DA228U 1.210080 5 to 90.11.01015DA204K 1 to 40.1DA228K 1.210080 5 to 9Diodes3/4z Electrical characteristic curves (T a=25°C) (DA221, DA204U, DA204K) …Fig.1 to 4T a =125°CD1D1+D20.40.8 1.2 1.6 2.0 2.41001011.00.0175°C5°C25°C125°C75°C25°C25°CF O R W A R D C U R R E N T : I F (m A )FORWARD VOLTAGE : V F (V)Fig.1 Forward characteristicsF O R W A R D C U R R E N T : I F (m A )FORWARD VOLTAGE : V F (V)Fig.2 Forward characteristicsD2 125°CD1 100°C D2 100°CD1 75°C D2 75°C51015200.010.1110100D1 Ta=125°CR E V E R S E CU R R E N T : I R (n A )REVERSE VOLTAGE : V R (V)Fig.3 Reverse characteristics12510C A P A C I T A N C E B E T W E E N T E R M I N A L S : C T (p F )REVERSE VOLTAGE : V R (V)Fig.4 Capacitance between terminals characteristicsDiodes4/4(DA228U, DA228K, UMR12N) …Fig.5 to 9F O R W A R D C U R R E N T : I F (m A )FORWARD VOLTAGE : V F (V)Fig.5 Forward characteristics F O R W A R D C U R R E N T : I F(m A )FORWARD VOLTAGE : V F (V)Fig.6 Forward characteristics R E V E R S E C U R R EN T : I R (n A )REVERSE VOLTAGE : V R (V)Fig.7 Reverse characteristicsR E V E R S E C U R RE N T : I R (n A )REVERSE VOLTAGE : V R (V)Fig.8 Reverse characteristics110C A P A C I T A N C E B E T W E E N T E R M I N A L S : C T (p F )REVERSE VOLTAGE : V R (V)Fig.9 Capacitance between terminals characteristicsAppendixAbout Export Control Order in JapanProducts described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade ControlOrder in Japan.In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.Appendix1-Rev1.0。

Copyright Intersil Americas Inc. 2005, 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners
X9119
Ordering Information
• Vary the frequency and duty cycle of timer ICs
• Vary the DC biasing of a pin diode attenuator in RF circuits
• Provide a control variable (I, V, or R) in feedback circuits
Functional Diagram
VCC
Features
• 1024 Resistor Taps – 10-Bit Resolution • 2-Wire Serial Interface for Write, Read, and
Transfer Operations of the Potentiometer • Wiper Resistance, 40Ω Typical @ VCC = 5V • Four Non-Volatile Data Registers • Non-Volatile Storage of Multiple Wiper Positions • Power-on Recall. Loads Saved Wiper Position on
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

13623
1
BFR91A Marking: BFR91A Plastic case (TO 50) 1 = Collector, 2 = Emitter, 3 = Base
Absolute Maximum Ratings
Tamb = 25_C, unless otherwise specified Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Total power dissipation Junction temperature Storage temperature range Test Conditions Symbol VCBO VCEO VEBO IC Ptot Tj Tstg Value 20 12 2 50 300 150 –65 to +150 Unit V V V mA mW °C °C
Document Number 85031 Rev. 3, 20-Jan-99
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元器件交易网ຫໍສະໝຸດ BFR91AVishay Telefunken Electrical DC Characteristics
Tamb = 25_C, unless otherwise specified Parameter Collector cut-off current Collector-base cut-off current Emitter-base cut-off current Collector-emitter breakdown voltage Collector-emitter saturation voltage DC forward current transfer ratio Test Conditions VCE = 20 V, VBE = 0 VCB = 20 V, IE = 0 VEB = 2 V, IC = 0 IC = 1 mA, IB = 0 IC = 50 mA, IB = 5 mA VCE = 5 V, IC = 30 mA Symbol Min Typ Max Unit ICES 100 mA ICBO 100 nA IEBO 10 mA V(BR)CEO 12 V VCEsat 0.1 0.4 V hFE 40 90 150

MC51F8124晟矽微电本公司保留对以下所有产品在可靠性、功能和设计方面的改进作进一步说明的权利。

MC51F8124 用户手册 V1.7 8位增强型8051单片机主要特性CORE✧ 1T 高速增强型8051内核 ✧ 双DPTR ROM✧ 片上16K 字节 FLASH ，擦写10万次以上✧ 片上1024字节 E2(EEPROM)，擦写10万次以上 ✧ 支持代码分区保护功能（有效防止非法读/写/擦） ✧ 支持FLASH 和E2在电路编程（ICP ）, 支持E2在应用编程（IAP ） RAM✧ 片上1536（256+1280）字节 SRAM 时钟源✧ 片上高精度32MHz 高速振荡器（常温5.0V 电压下±1%精度；全工作条件下±5%精度）✧ 片上32KHz 超低功耗低速振荡器，供看门狗定时器和T3使用✧ 外部可选接32768Hz 晶体振荡器 电源管理模式✧ 4种工作模式：高速/低速/停止/休眠✧ 增加高级能耗控制功能，满足用户低功耗的需求 复位✧ 上电复位（POR ）/外部复位/低电压复位（LVR ）/看门狗复位/软件复位✧ LVR 电压4级可选：2.1V 、2.5V 、3.5V 、4.1V ✧ 看门狗复位可选8种溢出时间 I/O✧ 最多26个双向通用I/O 口（28PIN 封装下） ✧ 支持3种输入/输出模式，支持输入上拉电阻配置 ✧ 14个IO 具备独立大电流驱动能力✧ 24个I/O 可软件模拟成1/2 BIAS 的LCD COM 口 定时器/计数器✧ 2个16位T0/T1定时器，兼容标准8051✧ 1个16位增强型T2定时器，兼容8052的T2，带输入捕获和输出比较功能 ✧ 1个16位T3时基定时器，可连接外部32768Hz 晶振，在停止/休眠模式下可定时唤醒 PWM 定时器✧ 1路独立8位PWM0，可作通用定时器✧ 3组共6路16位PWM1阵列，可互补输出且死区时间可调，并具有故障保护中断功能✧ PWM1可在选片上高速时钟或其分频下独立工作 12位高精度ADC✧ 12位高精度逐次逼近型ADC✧ 14通道：外部12通道+内部2通道✧ 参考电压可选：内部2.0V 、VDD 、Vref 引脚输入 2路UART✧ 2路UART 模块，可兼容8051标准✧ 增强UART0支持“帧出错”检测及自动地址识别 ✧ 支持8位同步半双工、8位/9位异步全双工等4种工作方式 SPI✧ 支持全双工，3线/4线同步模式，主/从机可选 ✧ 支持主机模式错误用以防止主机冲突 TK 触摸按键✧ 最大支持16通道的高灵敏触摸按键✧ 支持4MHz/2MHz/1MHz/500KHz 四种工作频率 ✧ 支持可选基准电压，支持触摸按键扫描中断，支持触摸按键唤醒 中断✧ INT0X 、T0、INT1X 、T1、UART0、TK 、ADC 、T2、SPI 、PWM1、PWM0、PWM1FB 、UART1、CRC 、T3共15个中断源 ✧ 2级中断优先级可设 ✧ 其中INTnx （n=0～1，x=0～4）支持多重映射输入，5选1分别对应两个中断源（INT0x/INT1x ）；支持上升沿触发方式和高电平脉宽测量功能 循环冗余校验算法模块（符合CRC-16标准） 双两线调试与编程接口✧ 两组调试和编程接口任意二选一，支持自动识别 开发工具兼容KEIL TM 集成开发环境 工作电压✧ 2.0V ~5.5V 工作环境温度 ✧ -40℃~85℃ 封装形式 ✧ SOP28、SSOP28、SOP24、SSOP24、SOP20、TSSOP201T 8051内核FLASH 型MCU ，16KB FLASH ROM ，1536B SRAM ，1KB 独立EEPROM ，12位高速ADC ，16通道高灵敏触摸电路，6通道16位PWM ，8位PWM ，4个16位定时器，2路UART ，SPI ，CRC ，双两线调试1产品简介1.1概述本产品是一款高速低功耗1T周期8051内核8位增强型FLASH微控制器芯片，较传统8051相比，运行效率更高。