摘要:
Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.
摘要:
Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.
摘要:
A display panel driving circuit includes: N number of buffers (N is an integer no less than 1) configured to buffer data voltages and enable or disable supply of buffered signals in response to a charge sharing control signal; and N number of output multiplexers each configured to receive outputs of two adjacent buffers among outputs of the N number of buffers and transfer the output of one buffer or the outputs of the two buffers to a corresponding one of data lines in response to the charge sharing control signal.
摘要:
Provided is a method of driving a liquid crystal display apparatus, and more particularly, to a method of generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip of a liquid crystal display apparatus. Accordingly, by generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip unlike a conventional method where the frame start pulse signal is externally input, it is possible to reduce the number of input pins for inputting the frame start pulse signal and to remove an input line for inputting the frame start pulse signal in a process of mounting the source driver chip in a printed circuit board.
摘要:
Provided is a method of driving a liquid crystal display apparatus, and more particularly, to a method of generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip of a liquid crystal display apparatus. Accordingly, by generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip unlike a conventional method where the frame start pulse signal is externally input, it is possible to reduce the number of input pins for inputting the frame start pulse signal and to remove an input line for inputting the frame start pulse signal in a process of mounting the source driver chip in a printed circuit board.
摘要:
A circuit for processing a touch line signal of a touch screen includes a plurality of sensing read circuits and a switch unit. The plurality of sensing read circuits include sensing read-out units and integrators, respectively. The sensing read-out units are configured to precharge a first sensor capacitor and a second sensor capacitor formed on a touch screen panel with a ground voltage and a supply voltage, allow charges charged in the first sensor capacitor and the second sensor capacitor to be shared, and read-out a charge sharing result obtained by allowing the charges of the first sensor capacitor and the second sensor capacitor to be shared. The integrators are configured to integrate output voltages of the sensing read-out units. The switch unit is configured to sequentially connect output terminals of the plurality of sensing read circuits to an input terminal of an analog-to-digital converter.
摘要:
A display panel driving circuit includes N number of amplifiers configured to supply N number of output voltages to a display panel; N number of output switches configured to transmit output signals from the N number of amplifiers through N number of pads to the display panel; and a plurality of charge sharing switches configured to share charges among the N number of pads, wherein the charge sharing switches are formed in the pads.
摘要:
Disclosed is a liquid crystal panel driving circuit of display stabilization, including: a plurality of output buffers buffering data voltage and supplying or cutting off the buffered data voltage to or from each of the plurality of data lines; an output MUX switch receiving outputs from two adjacent output buffers of the plurality of output buffers and transferring one of the two outputs to the plurality of data lines; a garbage switch connecting each of the plurality of data lines to a ground terminal; and a power on sensor or a power off sensor generating a power on or off reset signal in response to a turn on/off of a power supply voltage, wherein the output MUX switch is turned-off and the charge share switch and the garbage switch are turned-on, in response to the power on reset signal or the power off reset signal.
摘要:
Disclosed are a driving circuit of a display apparatus and a driving chip, which shuts off the output of image data, in a display apparatus in which a plurality of driving chips is connected to each other in a daisy chain method to correspond to a single display panel, when serial communication of the driving chips is not completed successfully, or when any one of the driving chips is not operated normally, thereby preventing an abnormal screen from being displayed.
摘要:
A memory chip having a multiple input/output system enables a memory to have a .times.n, .times.2n or .times.4n I/O system through a simple fuse mask process by using a single memory chip and reduces the consumption of a cell current while having a memory capacity which is the same as in the .times.n or .times.2n I/O system of the conventional art. The multiple input/output memory chip according to the present invention includes a block selecting unit for receiving a source voltage or a column address lowest bit and thereby selectively activating a first block selection signal or a second block selection signal, a column control unit for receiving a source voltage or a column address lowest bit and thereby selectively activating a first column control signal or a second column control signal, a first bank for simultaneously reading or writing n-bit or 2n-bit data in accordance with the first or second column control signal and the first block selection signal, a second bank for simultaneously reading or writing n-bit or 2n-bit data in accordance with the first or second column control signal and the second block selection signal, and a data bus which is connected with first to third fuses and thereby dividable up to four parts.
摘要翻译:具有多重输入/输出系统的存储器芯片使得存储器能够通过使用单个存储器芯片的简单熔丝掩模处理来具有xn,x2n或x4n I / O系统,并且在具有存储器容量的同时减少电池电流的消耗 这与传统技术的xn或x2n I / O系统相同。 根据本发明的多输入/输出存储器芯片包括:块选择单元,用于接收源电压或列地址最低位,从而选择性地激活第一块选择信号或第二块选择信号;列控制单元,用于接收 源电压或列地址最低位,从而选择性地激活第一列控制信号或第二列控制信号,第一存储体,用于根据第一或第二列控制同时读取或写入n位或2n位数据 信号和第一块选择信号,第二组,用于根据第一或第二列控制信号和第二块选择信号同时读取或写入n位或2n位数据,以及数据总线,其与第一块 到第三个保险丝,从而可以分配多达四个部分。