1.0-3.3V GPIO With I2C Open Drain And 3.3V & 5V Analog Cells in 55nm

Overview

A 55nm Wirebond IO library with 1-3.3V GPIO, 3.3V pulse-width modulation cell, I2C & SVID open-drain cells, 3.3V & 5V analog cells, OTP program cell & associated ESD

Key attributes of this IO library include dual independent IO supply rails (1.0V-3.3V & 3.3V) and power-on-control (POC) to place IOs in HiZ during power-down. The GPIO cell can be configured as input, output or open-drain with a Schmitt trigger input and optional internal 55K ohm pull-up or pull-down resistor. Cells for two independent IO supplies, core power, ground and isolated ground with built-in ESD are included. A specialty output cell with matched throughput timings for pulse-width modulation (PWM) applications, along with 5V OTP programming, I2C & SVID open-drain and 3.3V & 5V analog cells (and associated ESD) complement the GPIO offering. The library is enriched with filler, corner, and domain-break cells in digital and analog domains, allowing for flexible pad ring construction. ESD design levels are 2KV HBM and 500V CDM

Key Features

  • 1.0V-3.3V | 3.3V IO operation
  • Dual independent IO rails
  • Output enable / disable (HiZ when disabled)
  • Power-down control (HiZ upon VDD disable)
  • Schmitt trigger receiver
  • 55K? selectable pull-up or pull-down resistor
  • ESD: 2KV HBM, 500V CDM
  • Silicon proven

Block Diagram

1.0-3.3V GPIO With I2C Open Drain And 3.3V & 5V Analog Cells in 55nm Block Diagram

Technical Specifications

Foundry, Node
TSMC 55nm
TSMC
Silicon Proven: 55nm G
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Semiconductor IP