Under the background of the development of the Internet of Things, the scale of the network is expanding, which means that the demand for chips is gradually increasing. The development of the Internet of Things is inseparable from the system chip. Therefore, the construction of ultra-low-cost chips is the first choice. ARM said that it will solve the ultra-low-cost chip in 2027.
In order to meet the large number of node requirements of the Internet of Things, static random access memory and flash memory, Bluetooth interfaces and sensors consume too much power, and by 2027 there may be several alternatives. Before the 2027, the IoT system single chip needs to set new lows in power and cost, and there are still many technologies to be broken.
In the future, the Internet of Things era may need to rely on ultra-low-cost chips to connect to sensors and expand the scale of the Internet of Things. According to EETImes' report in the ARM TechCon forum, the current static random access memory (SRAM) and flash memory (NAND Flash), Bluetooth interface and sensors will consume too much power in response to a large number of node requirements of the Internet of Things, and may be 2027. There are several alternatives.
According to Jason Hillyard, director of ARM wireless software, the single-chip system of the terminal node system will consume only 10 microwatts/MHz in 2027, and only 1~2 milliwatts of data will be transmitted and transmitted on the radio map. Hillyard also demonstrated the software system single-chip (slideware SoC), using a new architecture built with subthreshold circuits for energy harvesting.
Lucian Shifren, senior senior research engineer at ARM, said the biggest drawback of this device is the lack of proper memory. Memory energy is a major issue in the future. Everyone is betting on ReRAM and STT to replace SRAM and Flash, but STT is too expensive and uses too much write energy, while ReRAM and phase change alternatives use relatively high voltages, so Not feasible.
ARM chief technology expert Mike EE Muller said that ARM has conducted chip testing for memory based on academic research, but he refused to disclose the progress, only that ARM's goal is to create a non-volatile, low-power design, for logic chips and Memory is helpful, and the memory range will expand, but it will not replace Flash.
The ultra-low-power solution vendor Ambig Micro said that memory in sub-threshold-based microcontrollers has begun to run into bottlenecks. In short, the single-chip of the IoT system needs to set new lows in power and cost by 2027, and there are still many technologies to be broken.
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