Low-power 32 kHz RC oscillator in TSMC 22ULL 1.8 V

Overview

OSC-RC-32k-A01-D18-T22ULL.03_TSMC_22_uLL1.8 is a 32 kHz RC oscillator in TSMC 22ULL with 1.8 V I/O MOSFET devices based on a low-power architecture for the implementation of always-on domains. The IP informs the host when the frequency has reached a stable frequency value after leaving shutdown or standby mode.

PARAMETERS CONDITION

Minimum value

Typical value

Maximum value

Input Voltage

- 0.72 V   0.99 V

Key Features

  • Nominal frequency: 32.768 kHz
  • Frequency accuracy (post-trimming): ±0.5%
  • Current consumption (TT, 0.8 V, 25°C):
  • active mode: 115 nA
  • standby mode: 75 nA
  • shutdown mode: 10 nA

Benefits

  • Low-power architecture
  • Extened frequency trimming
  • Flag when stable frequency reached
  • Standby mode with quick wake-up time
  • Shutdown mode

Block Diagram

Low-power 32 kHz RC oscillator in TSMC 22ULL 1.8 V Block Diagram

Applications

  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • ULP MCU

Technical Specifications

Short description
Low-power 32 kHz RC oscillator in TSMC 22ULL 1.8 V
Vendor
Vendor Name
Foundry, Node
TSMC 22ULL 1.8 V
TSMC
Pre-Silicon: 22nm
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Semiconductor IP