【产品】沁恒推出的16位数码管驱动及键盘控制芯片CH453,内置64键键盘控制器
沁恒推出的CH453 是16 位数码管显示驱动和键盘扫描控制芯片,CH453 内置时钟振荡电路,可以动态驱动16 位数码管或者128 只LED 发光管,同时还可以进行64键的键盘扫描,CH453 通过2 线串行接口与单片机等交换数据。
特点
内置显示电流驱动级,段电流不小于15mA,字电流不小于100mA。
动态显示扫描控制,直接驱动16 位数码管或者128 只发光管LED。
内部限流,通过占空比设定提供3 级亮度控制。
内置64 键键盘控制器,基于8×8 矩阵键盘扫描。
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。
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。
封装形式:DIP28S 和SOP28。
封装
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型号- CH24X,CH233P,CH36X,CH32X035F8U6,CH32X035G8R6,CH32V103C6T6,CH32F205RBT6,CH370,CH372,CH251,CH343G,CH374,CH132,CH253,CH252,CH376,CH343K,CH375,CH254,CH32V006F8P6,CH378,CH377,CH440G,CH32X035,CH25X,CH32V208WBU6,CH583M,CH341T,CH32V003J4M6,CH32F103C6T6,CH233A,CH342F,CH382,CH32V006E8R6,CH384,CH342K,CH233K,CH37X,CH9374B,CH237,CH236,CH58X,CH32F103C8U6,CH340K,CH231K,CH22X,CH238,CH34X,CH340N,CH582M,CH340T,NET-SER-DT TTL,CH341B,CH341A,CH592,CH341F,CH591,CH231,CH486F,CH230,CH233,CH235,CH35X,CH32X035F7P6,CH368,CH484M,CH230K,CH23X,CH231A,CH32V203G6U6,CH340E,CH582F,CH482,CH481,CH340C,CH484,CH340B,CH483,CH365,CH486,CH364,CH340G,CH246,CH367,CH59X,CH4XX,CH366,CH578,CH334R,CH457,CH577,CH32V303VCT6,CH335,CH334Q,CH456,CH334P,CH338,CH579,CH32V,CH56X,CH334U,CH339,CH32X,CH564Q,CH334S,CH32V003A4M6,CH32X033F8P6,CH32F,CH335F,CH347F,CH32M,CH335J,CH32L,CH565M,CH451,CH571,CH450,CH444G,CH238P,CH453,CH573,CH452,CH334,CH455,CH454,CH347,CH226,CH57X,CH225,CH348,CH32X035G8U6,CH237D,CH9342G,CH334F,CH581,CH583,CH564L,CH334H,CH341,CH220,CH462,CH582,CH32F208WBU6,CH340,CH32X035R8T6,CH564F,CH343,CH342,CH221,CH463,CH334L,CH345,CH224,CH443K,CH344,CH223,CH344Q,CH555,CH557,CH315,CH318,CH54X,CH559,CH317,CH438,NET-485-9120,CH235S,CH32V002系列,CH32M007,CH236D,CH442E,CH552,CH551,CH554,CH432,CH567,CH343P,CH446,CH445,CH569,CH55X,CH448,CH568,CH440R,CH31X,CH449,CH440P,CH9340K,CH9340C,CH32F207VCT6,CH561,CH440,CH563,CH442,CH344L,CH565,CH323,CH444,CH564,CH443,CH412,CH64X,CH338X,CH52X,CH32V103R8T6,CH448F,CH32V203F8U6,CH9103M,CH32V203G8R6,CH532,CH531,CH545,CH423,CH547,CH546,CH446Q,CH53X,CH549,CH446X,CH548,CH32F103R8T6,BLE-DONGLE,CH338F,CH9104L,CH338L,CH541,CH543,CH422,CH32V003F4P6,CH9101Y,CH445P,CH9101N,CH9101R,CH9101U,CH9101H,CH32V307RCT6,CH347T,CH643,CH522,CH9102X,CH525,CH444P,CH645,CH524,CH527,CH528,CH565W,CH9344L,CH348L,BLE-SER-A-ANT,CH348Q,CH32V203F6P6,CH521,CH641,CH9102F,CH645W,CH32F203CBT6,CH32V006K8U6,CH32F207,CH32F205,CH32F203,CH32V003F4U6,CH32F208,CH645F,BLE2U-C-ANT,CH643U,CH643W,CH643Q,CH449X,CH32V303CBT6,CH32L103F8U6,CH32V305FBP6,CH569W,CH32F103,CH449F,CH32L103G8R6,CH643L,CH32X035系列,CH32F203C8T6,CH32V208RBT6,CH32V203系列,CH32V305RBT6,CH32V007系列,NET-232-9120,CH32V208GBU6,CH32L103F8P6,CH32V203C8T6,CH32V307,CH32V305,CH32F203C8U6,CH32V203C8U6,CH32V303,CH9160-DG-R0,BLE-TPT-A-ANT,CH32F203C6T6,BLE2U-A-ANT,CH9343,NET-TTL-9120,CH9328,CH9329,CH9326,CH9445,CH32L103C8T6,CH32F208RBT6,CH32F203VCT6,CH32V005F6U6,CH182H,CH182F,CH32V305GBU6,CH9434,CH32V203C6T6,CH32V307VCT6,CH181H,CH32L103系列,CH32V203F8P6,BLE-TPT-B-ANT,CH32V005D6U6,CH912X,CH32V303RCT6,CH32V005E6R6,CH32V003系列,CH32F203K8T6,NET-SER-DT RS232,CH9143,CH93XX,CH9140,CH9142,CH9141,CH9126,CH32V005F6P6,CH32F203RCT6,NET-SER-DT RS485,CH32L103,CH32V006,CH32V007,CH32V005,CH32V002,CH32V003,CH32X035C8T6,CH32V303RBT6,CH32V203K8T6,CH9121,CH9120,CH32V307WCU6,CH32V303系列,CH32F203RBT6,CH32V203RBT6,CH9350,CH483M,CH32V103C8T6,CH32V005系列,CH592X,CH483X,CH32M系列,CH230A,CH32V317,CH581F,CH32F103C8T6,CH32V103C8U6,CH482X,CH32L103K8U6,CH591R,CH32V208,CH182,CH592F,CH32V103系列,CH32V203,CH592D,CH32V208CBU6,CH914X,CH390,CH32V203K6T6,CH392,CH271,CH591D,CH482D,CH591F,CH275,CH395,CH397,CH38X,BLE232-NEP,CH32V006F8U6,CH32V103,CH39X,CH481D
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
CH334U IC RoHS (SGS) Test Report (CANEC2304439901)
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基于CH8571M的HID Over I2C/USB键盘方案
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具有内置时钟振荡电路,可以动态驱动8位数码管或者64只LED,可实现数码管的字数据左移、右移、左循环、右循环,各数码管的数字独立闪烁控制的国产芯片CH452A是功放组件项目中数码管显示驱动的不二之选。
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CH375B REACH (SGS)测试报告 (SZXEC1900938802)
型号- CH451L,CH9415,CH9413,CH9414,CH9412,CH451S,CH370,CH452A,CH372,CH374,CH376,CH375,CH378,CH9884,CH382,CH384,CH358,CH9516,CH357,CH236,CH9514,CH359,CH9515,CH9512,CH9513,CH9511,CH350,CH471,CH9882,CH352,CH231,CH351,CH472,CH354,CH233,CH353,CH232,CH356,CH235,CH355,CH234,CH9626,CH368,CH9627,CH9624,CH9625,CH9622,CH9623,CH9628,CH9629,CH360,CH242,CH241,CH365,CH244,CH364,CH243,CH367,CH246,CH366,CH245,CH457,CH578,CH3232,CH456,CH577,CH459,CH337,CH458,CH579,CH339,CH9100,CH9342,CH330,CH572,CH9344,CH450,CH571,CH9343,CH9463,CH453,CH574,CH331,CH573,CH455,CH576,CH9340,CH454,CH575,CH9328,CH9327,CH9329,CH9326,CH9565,CH9325,CH9331,CH9330,CH341,CH462,CH340,CH464,CH463,CH345,CH465,CH314,CH556,CH9317,CH555,CH316,CH558,CH315,CH557,CH9318,CH9438,CH318,CH9435,CH317,CH438,CH559,CH9436,CH9433,CH319,CH9434,CH9320,CH552,CH551,CH312,CH554,CH311,CH432,CH553,CH446,CH567,CH445,CH566,CH448,CH9426,CH447,CH452L,CH568,CH449,CH9431,CH9432,CH440,CH561,CH442,CH563,CH441,CH562,CH444,CH565,CH443,CH564,CH413,CH534,CH412,CH533,CH536,CH538,CH537,CH9936,CH9937,CH9144,CH9143,CH9145,CH530,CH411,CH532,CH9142,CH531,CH9141,CH424,CH545,CH423,CH544,CH547,CH546,CH549,CH9126,CH548,CH9375,CH9374,CH541,CH9371,CH540,CH9370,CH422,CH543,CH9373,CH421,CH542,CH9130,CH9372,CH633,CH632,CH635,CH634,CH637,CH636,CH639,CH638,CH9122,CH9121,CH9120,CH631,CH523,CH522,CH525,CH524,CH527,CH526,CH9345,CH529,CH528,CH9232,CH9110,CH9234,CH521,CH9230,CH9350,CH375B,DM7407,CH392,CH9165,CH395,CH9161,CH9397,CH9150
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。
最小起订量: 1000 提交需求>
可定制单色LCD的尺寸:0.5”~15”;亮度:300~1600;视角:3“clock、6“clock、9“clock、12“clock、全视角。
最小起订量: 1000 提交需求>
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