X90100M8IZT1

Overview

The X90100M8IZT1 is a non-volatile electronically programmable capacitor manufactured by Renesas Electronics Corporation. It provides 32 selectable capacitance values ranging from 7.5pF to 14.5pF in single-ended mode, with increments of 0.23pF. The device utilizes internal EEPROM storage to retain programmed trim codes without DC power. It operates on a supply voltage between 2.7V and 5.5V and features a simple three-wire digital interface (INC, U/D, CS). The component is housed in an 8-lead MSOP package and is designed for applications requiring precise capacitance trimming.

Feature Summary

• Non-volatile EEPROM storage retains capacitance settings after power loss
• Capacitance range of 7.5pF to 14.5pF with 0.23pF resolution
• Low temperature drift coefficient (<50ppm/°C) in differential mode
• Fast incremental change time of 5µs maximum

Applications

• Post-trim of low-cost regenerative receivers
• Tunable RF stages
• Low-cost, low temperature drift oscillators
• Garage door openers and keyless entry systems
• Industrial wireless control and RFID tags

Procurement Notes

Verify the specific ordering suffix 'Z' against official manufacturer documentation to confirm compliance status or material specifications, as standard datasheets may not explicitly detail suffix variations. Confirm availability through authorized distributors, noting that this part number may be subject to discontinuation or limited stock conditions.

Selection Notes

Select the X90100M8IZT1 when a non-volatile, digitally adjustable capacitor is required for RF tuning or oscillator stabilization. Ensure the application voltage falls within the 2.7V to 5.5V range. Consider the 8-MSOP package dimensions (3.00mm width) for PCB layout constraints. Verify if single-ended or differential mode operation aligns with the circuit design requirements.

Part Context

This component belongs to the X90100 series of non-volatile electronically programmable capacitors. It serves as a solid-state alternative to mechanical trimmer capacitors, eliminating the need for manual adjustment. The device is functionally similar to digitally controlled potentiometers but provides variable capacitance instead of resistance.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate other Intersil/Renesas X90xx series devices for potential compatibility, ensuring matching capacitance ranges, interface types, and package styles.