X40030S14-B Datasheet

Triple Voltage Monitor with Integrated CPU Supervisor


The X40030, X40031, X40034, X40035 combine power-on reset control, watchdog timer, supply voltage supervision, second and third voltage supervision, and manual reset, in one package. This combination lowers system cost, reduces board space requirements, and increases reliability.

• Triple voltage detection and reset assertion
   - Standard reset threshold settings; see Table 1 on page 5.
   - Adjust low voltage reset threshold voltages using special programming sequence
   - Reset signal valid to VCC = 1V
   - Monitor three separate voltages
• Fault detection register
• Selectable power-on reset time-out (0.05s, 0.2s, 0.4s, 0.8s)
• Selectable watchdog timer interval (25ms, 200ms, 1.4s or off)
• Debounced manual reset input
• Low power CMOS
   - 25µA typical standby current, watchdog on
   - 6µA typical standby current, watchdog off
• 400kHz 2-wire interface
• 2.7V to 5.5V power supply operation
• Available in 14 Ld SOIC and 14 Ld TSSOP packages
• Monitor voltages: 5V to 0.9V
• Independent core voltage monitor
• Pb-free available (RoHS compliant)

• Communication equipment
   - Routers, hubs, switches
   - Disk arrays, network storage
• Industrial systems
   - Process control
   - Intelligent instrumentation
• Computer systems
   - Computers
   - Network servers




Manufacturer information


Intersil Corporation is a market leader in power management and precision analog technology for many of the most rigorous applications in the computing, consumer, and industrial markets. The company supplies a full range of power IC solutions including battery management, computing power, display power, regulators and controllers, and power modules; as well as precision analog components such as amplifiers and buffers, proximity and light sensors, data converters, timing products, optoelectronics and interface products. As a major supplier to the military and aerospace industries, Intersil’s product development methodologies reflect experience designing products to meet the highest standards for reliability and performance in challenging environments.

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