SN74LVCR2245APWR

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The SN74LVCR2245APWR is a logic chip from Texas Instruments (TI) which is employed for specialized applications. It belongs to the logic family of ‘Buffers, Drivers, Receivers and Transceivers’. This chip is a variant of the SN74LV2245 3-state buffer integrated circuit (IC). This differential buffer address driver is used for various purposes including bus address decoding, data buffering and byte-wide bus isolation. The SN74LVCR2245APWR has a feature called “notching of inputs and outputs when powered-down” which protects the buffer memory from disruption when power is cycled. This feature can also be disabled by controlling the VCC pin.

The SN74LVCR2245APWR works by allowing single data lines to be transformed into multiple data lines by buffering, or driving either the input or the output ports with either logic low (0V) or logic high (5V). It has a general-purpose deep notching feature which allows the chip to automatically power down and reset any logic lines which are not being actively driven by itself. This improves the overall power efficiency of the chip as it prevents leakage of current on unused data lines.

The SN74LVCR2245APWR also has an Address Decoder mode with which it can effectively decode the address bus on an address-enabled bus. It can accept a single address bus line and output a 6-bit address line, thus allowing for efficient address decoding on microcontrollers or other embedded systems. The other primary application field for the SN74LVCR2245APWR is data buffering and byte-wide bus isolation. It can be connected in series to each data line of a multiple-byte bus, thereby allowing efficient data transmission.

In terms of physical characteristics, the SN74LVCR2245APWR is packaged as a 48 pin LLP (low-profile plastic package) and measures 10 x 10.2 mm (L x W). The chip also has various on-chip protection features such as reverse voltage protection and ESD protection. The main operating voltage range for the SN74LVCR2245APWR is 2.7V to 3.6V and the chip is able to withstand temperatures ranging from -40C to 85C.

In conclusion, the SN74LVCR2245APWR is a versatile logic chip which is capable of a multitude of functions. It can be employed for address decoding, data buffering and byte-wide bus isolation. It also has powerful protection features and is sturdily built to withstand extreme temperatures. It can be used as a handy tool for microcontrollers and embedded systems and is highly recommended for applications requiring address decoding, data buffering and/or isolation.

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