SN74CBT3257CPWG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The SN74CBT3257CPWG4 is a Logic - Signal Switches, Multiplexers, and Decoders designed by Texas Instrument. It is a low-power CMOS 3.6V logic Buffer/Driver with integrated 8-bit configurable logic device.

The SN74CBT3257CPWG4 is a multi-function logic device that combines both logic-level shift and configurable logic functions into one integrated device. The device can operate at 1.2V to 3.6V supply voltage and is capable of 1.65V to 3.6V I/O operation. The device operates to 32-MHz and contains a 64-byte of internal RAM that uses EEPROM. The device also includes 11 additional ports, 16 buffer/drivers, 13 configurable logic blocks, 2 hot test rams and a program ROM, along with a wake-up feature that can be triggered from an external event.

The SN74CBT3257CPWG4 has broad application in development, prototyping and debugging tools for embedded systems and for production and other applications. It is also suitable for use in automotive and other high reliability applications. It is also used for mobiles phones, PDAs, MP3 players and digital TVs, as well as for automation, measurement, and control systems. The device integration of the configurable logic and buffer/driver functions saves board space and cost as one device can fulfill both roles.

The working principle of the SN74CBT3257CPWG4 is based on its combination of three types of circuitry. The buffer/drivers provide level shifting format control and the configurable logic blocks provide configurability and the hot-test RAMs increase test ability. The buffer/driver section consists of level shifters, 8-bit serial-in, parallel-out (SIPO) and parallel-in, serial-out (PISO) shift registers and CMOS 3-state buffers. The buffers/drivers can be configured in two modes: mode 0 which supports an Open-Drain output, and mode 1 which supports a Totem-Pole output. The configurable logic blocks can be programmed to combine input signals and generate output signals that satisfy specific logic functions.

The SN74CBT3257CPWG4 is a very versatile logic chip, combining logic-level shift and configurable logic functions into one integrated device. This allows the device to be used in a variety of embedded systems and other applications like mobile phones, PDAs, MP3 players and digital TVs for communication between circuit blocks. Also, it can be used for automation, measurement and control systems. The integration of the buffer/driver and configurable logic functions helps to reduce cost, board space and improve system reliability.

The specific data is subject to PDF, and the above content is for reference