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CPLDs Serve Handheld Designs

Tue, 12/23/2008 - 6:10am

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Lattice 4064ZE/4128ZEBased on ispMACH 4000 CPLD architecture, Lattice Semiconductor’s ispMACH 4064ZE and ispMACH 4128ZE CPLDs (complex programmable logic devices) target high-volume, handheld designs. The 6-mm × 6-mm devices exhibit typ. standby current of 10 µA, a nominal 1.8-V power supply with operation down to 1.6 V, Power Guard dynamic power reduction, and per pin pull-up, pull-down, or bus keeper control; an on-chip user oscillator and timer, and input hysteresis. The components’ 5-V tolerant I/O connect to TTL and PCI interfaces with no external components for connecting to legacy chips and interfaces. The CPLDs offer 2 I/O banks, each with its own power supply voltage that can be set at the appropriate level to support LVTTL and LVCMOS 3.3-V, 2.5-V, 1.8-V and 1.5-V outputs, and input buffers with programmable thresholds supporting the above standards independent of the I/O bank voltage. Pricing starts at $0.85 and $1.60, respectively.

Lattice Semiconductor
503-268-8000, www.latticesemi.com

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