ROHM Manuals

This document describes the problems and solutions of printheads, as well as the features and characteristics of the products.

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This document introduces a near edge thermal printhead, which is used to print on a flat plane without bending the print medium. The printhead utilizes a curved structure to allow the straight passing of the printing medium, enabling efficient printing. Compared to traditional thermal printheads, the near edge thermal printhead has lower production costs and higher production efficiency.

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BU42xx series and BU43xx series are ROHM's low voltage free delay time setting CMOS voltage detector IC series, which are high-precision, low-current reset IC series with a built-in delay circuit. The lineup was established with two output types (Nch open drain and CMOS output) and detection voltages range from 0.9V to 4.8V in increments of 0.1V, so that the series may be selected according to the application at hand.

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The BD52xx/BD53xx series are high-precision, low-current consumption reset ICs with a built-in delay circuit from ROHM. The lineup was established with tow output types (Nch open drain and CMOS output) and detection voltages range from 2.3V to 6.0V in increments of 0.1V, so that the series may be selected according the application at hand.

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ROHM's BD48xxx and BD49xxx series are highly accurate, low current consumption reset IC series. The devices are available for specific detection voltages ranging from 2.3V to 6.0V in increments of 0.1V.

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The BD47xx series is a reset IC that was developed to prevent system errors at transient state when the power of CPU or logic circuit switches ON/OFF or momentary shut down.

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ROHM's BD45xxx and BD46xxx series are highly accurate, low current consumption reset IC series. Because the counter timer delay circuit is built into those series, an external capacitor for the delay time setting is unnecessary. The lineup was established with tow output types (Nch open drain and CMOS output) and detection voltages range from 2.3V to 4.8V in increments of 0.1V, so that the series may be selected according the application at hand.

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This document introduces the high-performance clock generator series produced by ROHM, which is suitable for digital cameras and other devices. The products feature compact packaging, high-frequency CCD clock generation, and low jitter.

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This document introduces ROHM's high-performance clock generator series, which is used to generate high-frequency CCD, USB, and video clocks in digital cameras and digital video cameras. The products feature compact packaging, selectable frequencies, low jitter, and high precision.

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BU2285FV,BU2363FV are high-performance clock generators produced by ROHM. They can generate VIDEO, AUDIO and SYSTEM clock signals for DVD player systems. Among them, the VIDEO clock is a DVD audio reference clock with high C/N characteristics, which can provide high-definition images.

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BU2280FV, BU2360FV, BU2362FV are ROHM company's high-performance clock generators that integrate the 3 clock signals required for DVD players, namely VIDEO, AUDIO, and SYSTEM clocks, using PLL technology. The AUDIO clock is a DVD-Video standard and has high C/N characteristics that lower distortion.

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The BR25Hxxx-WC series is a serial EEPROM with a SPI BUS interface method.

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This document describes the features and characteristics of the BR24T series high reliability serial EEPROMs, including compliance with the world standard I2C BUS interface, the ability to connect other devices to the same port, single power source operation suitable for battery use, wide operating voltage range, fast mode 400KHz operation, page write mode, auto erase and auto end function, low current consumption, write mistake prevention function, various packaging options, data rewrite up to 1,000,000 times, and data retention for 40 years.

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The BU99901GUZ-W series is a serial EEPROM of I2C BUS interface method.

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BU9897GUL-W is a 128Kbit I2C BUS interface serial EEPROM produced by ROHM. It has the characteristics of low power consumption, high withstand voltage, 400kHZ high-speed communication, automatic erasure and automatic end function.

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BU9891GUL-W is a serial EEPROM with a serial 3-line interface method. It can operate at a high speed of 2MHz clock (2.5~5.5V), has fast write (write time max. 5ms), single power source operation of 1.7~5.5V, auto address increment function at read operation, write error prevention function, write prohibition at power on, write prohibition by command code, write error prevention function at low voltage, program cycle auto delete and auto end function, READY/BUSY display of program condition and low current consumption

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BU9889GUL-W is a serial EEPROM with I2C BUS interface. It completely conforms to the world standard I2C BUS and can be controlled by two ports of serial clock (SCL) and serial data (SDA). It has a 1k words×8 bits architecture, suitable for 8kbit serial EEPROM. Other devices than EEPROM can be connected to the same port, saving microcontroller port. It is a single power source with an action range of 1.7~5.5V, most suitable for battery use. It operates at FAST MODE with a speed of 400kHz at 1.7~5.5V. The page write mode is useful for initial value write at factory shipment. It has auto erase and auto end function at data rewrite. The current consumption is low, with 0.5mA (Typ.) at write operation, 0.2mA (Typ.) at read operation, and 0.1µA (Typ.) at standby operation, all at 5V. It has a write mistake prevention function and write (write protect) function added at low voltage. It comes in a WLCSP6pin compact package. The data can be rewritten up to 100,000 times and kept for 40 years. It has a noise filter built in SCL / SDA terminal. The shipment data has all address FFh.

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