Electronic Design

Digital ICs/DSPs: LCX, VCX Logic Chips Housed In Tiny DQFN Packages

Several 4-, 6-, and 8-bit LCX and VCX series low-voltage logic functions can now be had in DQFN (depopulated very thin quad flat-pack no-leads) packages. The industry's smallest package for quad, hex, and octal logic functions, the DQFN saves as much as 75% of the board space versus traditional TSSOPs. Currently available LCX and VCX series devices in DQFN include the 74LCX245BQX 2.5- to 3.3-V bidirectional octal transceiver; the 74LCX244BQX 2.5- to 3.3-V octal buffer line driver; the 74LCX138BQX 2.5- to 3.3-V 1-of-8 decoder/demultiplexer; the 74VCX08BQX 1.2- to 3.3-V quad dual-input AND gate; and the 74VCX245BQX 1.4- to 3.3-V bidirectional octal transceiver. In quantities of 10,000 units, the lead-free chips cost from $0.18 to $0.24 apiece.

Fairchild Semiconductor
www.fairchildsemi.com

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