FPGA, Programmable Logic Devices, Flash, Antifuse

News Release from: Rohm Electronics (UK)
Edited by the Electronicstalk Editorial Team on 30 May 2003

Voltage detection ICs include compact options

A new range of miniature high-accuracy reset ICs features typical detection voltages ranging from 2.3 to 6.0V and a range of output and delay options.

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Rohm is now offering miniature high-accuracy reset ICs with typical detection voltages ranging from 2.3 to 6.0V and a range of output and delay options. The new devices include the world's smallest CMOS-reset IC. Ideal for portable and battery-powered applications, Rohm reset ICs provide a compact, low-power solution to preventing system errors when CPUs and logic circuitry are switched on or off or when system voltage fluctuates.

The new reset IC lineup comprises the BD45xx/BD46xx, BD47xx, BD48xx/BD49xx and the BD52xx/BD53xx families.

Output options include open-collector, open-drain and CMOS logic depending on the specific part chosen.

Devices in the BD45xx /BD46xx family all feature an internal timer for fixed delays, while BD52xx/BD53xx parts allow for an adjustable delay with an external capacitor.

All of the new reset ICs are supplied in small compact packages such as the SSOP5, VSOP5 and SOP4.

Devices supplied in the SOP4 packages represent the smallest and thinnest CMOS-reset ICs in the world.

Rohm's new devices offer detection voltages starting at 1.9V, increasing to 6.0V in 0.1V increments.

Current consumption for the reset ICs is down to 0.8uA, while operating voltages are from -0.3 to 10V.

Capable of accurately detecting system voltage levels to within 1.5%, each reset IC features power, GND and reset output pins.

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