【产品】数码管显示驱动和键盘扫描控制芯片CH450,可动态驱动6位数码管或者48只LED,时钟速度从0~2MHz
CH450是数码管显示驱动和键盘扫描控制芯片,内置时钟振荡电路,可以动态驱动6位数码管或者48只LED,同时还可以进行48键的键盘扫描,通过2线串行接口与单片机等交换数据;并且可以对单片机提供上电复位信号。
产品特点
内置显示电流驱动级,段电流不小于15mA,字电流不小于80mA。
动态显示扫描控制,直接驱动6位数码管或者48只发光管LED。
内置48键键盘控制器,基于8×6矩阵键盘扫描。
内置按键状态输入的下拉电阻,内置去抖动电路。
提供低电平有效的键盘中断,提供按键释放标志位,可供查询按键按下与释放。
高速2线串行接口,时钟速度从0到2MHz,兼容两线I2C总线,节约引脚。
内置时钟振荡电路,不需要外部提供时钟或者外接振荡元器件,更抗干扰。
内置上电复位,可以为单片机提供高电平有效的复位输出。
支持低功耗睡眠,节约电能,可以被按键唤醒或者被命令操作唤醒。
提供DIP20和SOP20两种无铅封装,兼容RoHS,功能和引脚部分兼容CH455芯片。
封装
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型号- CH366Q,CH378Q,CH451L,CH463Q,CH451S,CH32F205RBT6,CH452A,CH331A,CH246D,CH331G,CH343G,CH32F203C8T6,CH355L,CH573F,CH367L,CH440G,CH365P,CH450K,CH353L,CH462Q,CH571K,CH583M,CH32V208WBU6,CH341T,CH32V208RBT6,CH9350L,CH32V003J4M6,CH462X,CH32V305RBT6,CH342F,CH342K,CH221K,CH378L,CH9374B,CH340K,CH352L,CH376T,CH376S,CH340N,CH364P,CH582M,CH9102X-1,CH340T,CH9141K,CH340X,CH32V208GBU6,CH341B,CH341A,CH341F,CH571F,CH32V203C8T6,CH341C,CH450H,CH484M,CH351Q,CH,CH32V203G6U6,CH340E,CH582F,CH32F203C8U6,CH340C,CH32V203C8U6,CH340B,CH243K,CH340G,CH390H,CH334R,CH32V303VCT6,CH334Q,CH334P,CH552T,CH390L,CH334U,CH552P,CH334S,CH32V003A4M6,CH456G,CH335F,CH456K,CH32F203C6T6,CH359L,CH444G,CH456H,CH311L,CH541G,CH9328,CH563Q,CH9329,CH345T,CH454S,CH9326,CH343G(编带),CH334F,CH32F208RBT6,CH358L,CH334H,CH455H,CH455G,CH334G,CH32F203VCT6,CH32F208WBU6,CH552E,CH443K,CH552G,CH455K,CH540G,CH344Q,CH182H,CH182F,CH235S,CH236D,CH32V203C6T6,CH563L,CH442E,CH32V307VCT6,CH224K,CH551G,CH343P,CH181H,CH561Q,CH376T(编带装),CH452L,CH440R,CH9340K,CH9340C,CH247D,CH32F207VCT6,CH344L,CH368L,CH423S,CH32V303RCT6,CH382L,CH217X,CH32V103R8T6,CH370T,CH448F,CH32F203K8T6,CH412A,CH32V203F8U6,CH315G,CH412K,CH9143,CH557Q,CH32V203G8R6,CH9140,CH9142,CH9141,CH545L,CH543T,CH446Q,CH446X,CH9126,CH555Q,CH32F103R8T6,CH32F203RCT6,CH217K,CH568L,CH554T,CH457S,CH32V003F4P6,CH445P,CH9101Y,CH554P,CH32V303RBT6,CH9101N,CH9101R,CH9101U,CH9343G,CH579F,CH543D,CH9101H,CH32V307RCT6,CH32V203K8T6,CH334H(编带),CH9343L,CH555L,CH543K,CH9121,CH422G,CH543G,CH9120,CH32V203G8P6,CH410K,CH567L,CH32V307WCU6,CH579M,CH432Q,CH347T,CH9102X,CH444P,CH541T,CH9103,CH432T,CH541P,CH565W,CH421A,CH554E,CH9344L,CH578M,CH348L,CH554G,CH348Q,CH392F,CH227P,CH32V203F6P6,CH542G,CH9102F,CH32V203RBT6,CH483M,CH241K,CH32F203CBT6,CH32V103C8T6,CH374U,CH374T,CH374S,CH483X,CH549L,CH375C,CH549F,CH375B,CH549G,CH581F,CH9434A,CH32F103C8T6,CH559T,CH32V103C8U6,CH32V003F4U6,CH482X,CH397Y,CH548G,CH374F,CH592F,CH132F,CH548L,CH548N,CH132H,CH374G,CH32V208CBU6,CH384L,CH558T,CH32V303CBT6,CH32V305FBP6,CH547G,CH32V203K6T6,CH397A,CH547F,CH482D,CH397G,CH591D,CH397F,CH457VS,CH591F,CH438L,CH317L,CH559L,CH547L,CH438Q,CH569W,CH395L,CH424Q,CH395Q,CH412Z,CH449F,CH546G,CH372C,CH372B,CH558L,CH546L,CH481D
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沁恒显示驱动及键盘扫描芯片选型表
沁恒显示驱动及键盘扫描芯片选型表,包含LED发光管显示驱动芯片,数码管显示驱动芯片,多功能外围芯片,数码管显示驱动和键盘扫描控制芯片,16位数码管驱动及键盘控制芯片,数码管驱动及键盘控制芯片,数码管显示驱动及I/O扩展芯片,两线远程I/O扩展芯片,LCD显示驱动芯片。包含SOP28、SOP20、DIP20、DIP24S、DIP28S、SDIP32、DIP18、SOP18、SOP16、DIP16、LQFP44等封装形式。包含6*8、8*8、16*8、8*16/7*17、4*8几种数码管。
产品型号
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品类
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LED/段式LCD
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接口
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工作电压(V)
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封装
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特点
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宽度(mm/mil)
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引脚间距(mm/mil)
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封装说明
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CH457S
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LED发光管显示驱动芯片
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128/—
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3线/2线
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3.0V ~ 6.0V
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SOP28
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支持普通灯珠,单面板布板,综合成本低,兼容多款上一代产品。
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7.62mm/300mil
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1.27mm/50mil
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标准的 28 脚贴片@5V
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选型表 - 沁恒 立即选型
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CH334U IC RoHS(SGS)检测报告(CANEC2304439901)
描述- 本报告为南京勤恒微电子有限公司提供的CH334U型号IC元器件的测试报告。报告编号为CANEC2304439901,测试日期为2023年3月27日至31日。测试内容包括欧盟RoHS指令(EU)2015/863规定的有害物质限量,如铅、汞、镉、六价铬、多溴联苯(PBBs)、多溴联苯醚(PBDEs)、邻苯二甲酸酯类等。所有测试项目均符合RoHS指令要求,测试结果为“通过”。
型号- CH32V103C6T6,CH32F103VCT6,CH32F205RBT6,CH32V103VBT6,CH370,CH251,CH372,CH132,CH374,CH252,CH376,CH375,CH378,CH32V107RCT6,CH32V208WBU6,CH32V403CBT6,CH32V003J4M6,CH32F103C6T6,CH382,CH384,CH32V305WBU6,CH237,CH358,CH32F107RCT6,CH236,CH357,CH32F103C8U6,CH238,CH359,CH32L103J4M6,CH32V103VCT6,CH590,CH350,CH471,CH592,CH591,CH231,CH352,CH351,CH472,CH593,CH233,CH354,CH232,CH353,CH235,CH356,CH234,CH355,CH248,CH247,CH368,CH249,CH32V107RBT6,CH32V203G6U6,CH482,CH360,CH481,CH242,CH484,CH241,CH483,CH244,CH365,CH486,CH122,CH243,CH364,CH246,CH367,CH245,CH366,CH457,CH578,CH3232,CH335,CH456,CH577,CH32V303VCT6,CH217,CH338,CH459,CH337,CH458,CH579,CH334U,CH339,CH32V003A4M6,CH32V405RBT6,CH570,CH330,CH451,CH572,CH450,CH571,CH332,CH453,CH574,CH331,CH452,CH573,CH213,CH334,CH455,CH576,CH454,CH575,CH226,CH347,CH225,CH228,CH227,CH348,CH32V403G6U6,CH32V407VCT6,CH32L103G6U6,CH581,CH341,CH462,CH583,CH340,CH582,CH32F208WBU6,CH343,CH464,CH221,CH342,CH463,CH224,CH345,CH344,CH465,CH314,CH556,CH313,CH555,CH316,CH558,CH315,CH557,CH318,CH317,CH438,CH559,CH319,CH32L103F4U6,CH32F103VBT6,CH552,CH32L103FBP6,CH551,CH312,CH554,CH311,CH432,CH553,CH446,CH567,CH445,CH448,CH569,CH447,CH568,CH449,CH32F207VCT6,CH440,CH561,CH321,CH442,CH563,CH441,CH562,CH323,CH444,CH565,CH322,CH443,CH564,CH413,CH534,CH412,CH533,CH536,CH538,CH537,CH539,CH32V103R8T6,CH9936,CH9937,CH32V203F8U6,CH32V403C6T6,CH530,CH32V203G8R6,CH411,CH532,CH410,CH531,CH424,CH545,CH423,CH544,CH547,CH546,CH549,CH548,CH32F103R8T6,CH32V403F8P6,CH32V407RCT6,CH541,CH32L103CBT6,CH540,CH422,CH543,CH421,CH542,CH633,CH632,CH635,CH32V003F4P6,CH634,CH516,CH637,CH636,CH639,CH638,CH32L103F4P6,CH32V307RCT6,CH32L103CBU6,CH631,CH32V203G8P6,CH523,CH522,CH643,CH525,CH524,CH527,CH526,CH529,CH528,CH32V203F6P6,CH521,CH642,CH520,CH641,CH32F107RBT6,CH32F203CBT6,CH32V105RBT6,CH32V103R6T6,CH32V403G8P6,CH622,CH621,CH32V003F4U6,CH32F103R6T6,CH32F105RCT6,CH32V403F6P6,CH32L103G8P6,CH32V105RCT6,CH32V403F8U6,CH32V403G8R6,CH32V303CBT6,DM7407,CH32L103F8U6,CH32V305FBP6,CH32L103F6P6,CH32V405FBP6,CH32L103G8R6,CH32V403K6T6,CH9415,CH9413,CH9414,CH9412,CH32F107VBT6,CH8572,CH8571,CH32F203C8T6,CH8570,CH9884,CH32V208RBT6,CH32L103C6T6,CH32V305RBT6,CH9516,CH9514,CH9515,CH9512,CH9513,CH9511,CH32V208GBU6,CH32L103F8P6,CH9882,CH32V203C8T6,CH9626,CH9627,CH9624,CH9625,CH9622,CH9623,CH32F105RBT6,CH9628,CH9629,CH32F203C8U6,CH32V203C8U6,CH9578,CH9576,CH9577,CH32V405WBU6,CH32V403C8T6,CH32F103RCT6,CH32V103RBT6,CH9100,CH9342,CH32F203C6T6,CH9341,CH9102,CH9344,CH9101,CH9343,CH9463,CH9340,CH9328,CH9327,CH9569,CH9329,CH9326,CH9565,CH9325,CH9445,CH9566,CH32V107VCT6,CH32L103C8T6,CH32V403C8U6,CH32F208RBT6,CH9331,CH9574,CH9330,CH9575,CH9573,CH32F203VCT6,CH9317,CH9318,CH9438,CH9435,CH9436,CH9315,CH9433,CH9434,CH32F107VCT6,CH32L103C8U6,CH32V103RCT6,CH9320,CH32V203C6T6,CH32V307VCT6,CH9426,CH32V107VBT6,CH32V403VCT6,CH9431,CH9552,CH9432,CH32V203F8P6,CH32V303RCT6,CH32L103K6T6,CH32F203K8T6,CH9144,CH32L103A4M6,CH9143,CH9145,CH9140,CH9142,CH9141,CH9126,CH32V407WCU6,CH32F105VCT6,CH32F203RCT6,CH9375,CH9374,CH9371,CH9370,CH9373,CH9130,CH9372,CH32V303RBT6,CH32F103RBT6,CH32V203K8T6,CH9122,CH9121,CH9120,CH32V307WCU6,CH9104,CH9346,CH9103,CH9345,CH32V403RCT6,CH32F203RBT6,CH9232,CH9110,CH9234,CH9230,CH9350,CH32V203RBT6,CH32V103C8T6,CH32V403K8T6,CH32L103K8T6,CH32F103C8T6,CH32V403RBT6,CH32V103C8U6,CH32V105VCT6,CH181,CH183,CH182,CH32V208CBU6,CH390,CH392,CH32V203K6T6,CH394,CH9165,CH396,CH395,CH32L103GBU6,CH398,CH397,CH9161,CH32F105VBT6,CH32V105VBT6,CH9397,CH9150,CH9153,CH9152
NV170D语音芯片助力电子秤,提供灵活的存储容量和接口扩展功能,即时识别重量并语音播报
电子秤作为一种常见的计量设备,广泛应用于商业领域和家庭生活中。在过去,电子秤通常只能通过数码管来显示物体的重量,用户需要通过目视读数来获取相关信息。然而,随着科技的进步和人们对智能化产品的需求,语音播报功能逐渐应用于电子秤中。在本文中,我们将介绍一款名为NV170D的语音芯片,以及它在电子秤中的语音播报重量、数码管驱动语音芯片方案的运用。
唯创知音WTV380语音芯片助力节约综合BOM成本,电饭煲智能化升级的理想之选
针对电饭煲市场,WTV380声音播放芯片可以广泛应用于各种不同规格的电饭煲,如普通电饭煲、压力电饭煲、智能电饭煲等。通过该芯片的声音播放和数码管显示驱动功能,可以实现多种智能化应用,如语音提示、数码显示等,提升用户体验和社会效益。
TM1620 LED 驱动控制专用电路
描述- TM1620是一款用于LED显示器的驱动控制专用集成电路(IC),具备MCU数字接口、数据锁存器和LED驱动等功能。它具有可靠的品质、良好的稳定性和强的抗干扰能力,广泛应用于家电设备、机顶盒、电子秤和智能电表等数码管或LED显示设备。
型号- TM1620
唯创知音语音芯片WTV380,尺寸仅为4×4毫米,节省产品开发时间并降低整体BOM成本
唯创知音的WTV380语音芯片是工程师开发产品的理想选择。它的QFN32小体积封装、集成的数码管显示驱动算法以及降低BOM成本的优势,使工程师能够更快、更高效地开发出优秀的产品。在这个快节奏的市场环境中,选择WTV380将为工程师节省宝贵的时间和资源,助力他们创造出更具竞争力的电子产品。
电子商城
服务
可定制单位/双位/三位/四位LED数码管的尺寸/位数/发光颜色等性能参数,每段亮度0.8~30mcd,主波长470~640nm,电压2~10.2V。
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支持微型计算机 、便携式计算机显示设备、投影仪、打印设备、绘图仪、多用途打印复印机、扫描仪、计算机内置电源、电源适配器、充电器、服务器、收款机等产品中国强制性产品认证。
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