EE Product News

Buffer Helps 3.3V Parts Play Well In 5V Systems

For use in notebook and palmtop computers, set top boxes and all handheld equipment where 3.3V operation must interface to 5V systems, the 74LCX16xxx series of 16-bit buffers is fully compatible with LCX families made by Fairchild, Motorola and Toshiba. The buffers operate over a 2.7V to 3.6V supply range with data retention down to 1.5V. Inputs can be safely driven up to 5.5V, making the chips well-suited for bridging the gap between 3.3V and 5V systems. The 74LCX16244T 16-bit, three-state, non-inverting buffer in TSSOP48 provides four output-enable pins, each controlling four of the buffers with full 16-bit operation achieved by tying together the four output-enable pins. PCIbus levels are supplied at 24 mA output current. Features include latch-up performance exceeding 500 mA.


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TAGS: Toshiba
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