This post explains for the semiconductor Pm25LD512.
The Part Number is Pm25LD512.
The function of this semiconductor is 512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial Flash Memory.
Manufacturer: Chingis Technology
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Description:
The Pm25LD512/010/020 are 512Kbit/ 1Mbit / 2Mbit Serial Peripheral Interface (SPI) Flash memories, providing single- or dual-output. The devices are designed to support a 33 MHz clock rate in normal read mode, and 100 MHz in fast read, the fastest in the industry. The devices use a single low voltage power supply, wide operating voltage ranging from 2.3 Volt to 3.6 Volt, to perform read, erase and program operations. The devices can be programmed in standard EPROM programmers.
The Pm25LD512/010/020 are accessed through a 4-wire SPI Interface consisting of Serial Data Input/Output (SlO), Serial Data Output (SO), Serial Clock (SCK), and Chip Enable (CE#) pins. They comply with all recognized command codes and operations. The dual-output fast read operation provides and effective serial data rate of 200MHz. […]
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