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PM39LV020-70JC from PMCFLASH

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PM39LV020-70JC

Manufacturer: PMCFLASH, PMC

Sierra, Inc - 512 Kbit / 1Mbit / 2Mbit / 4Mbit 3.0 Volt-only CMOS Flash Memory

Partnumber Manufacturer Quantity Availability
PM39LV020-70JC,PM39LV02070JC PMCFLASH, PMC 1135 In Stock

Description and Introduction

Sierra, Inc - 512 Kbit / 1Mbit / 2Mbit / 4Mbit 3.0 Volt-only CMOS Flash Memory The **PM39LV020-70JC** is a high-performance **2-megabit (256K x 8-bit) CMOS flash memory** component designed for applications requiring reliable, non-volatile data storage. Operating at a **70ns access time**, it delivers efficient read and write performance, making it suitable for embedded systems, industrial controls, and telecommunications equipment.  

Built with **3.3V single-voltage operation**, the PM39LV020-70JC ensures low power consumption while maintaining robust data retention. Its **sector-erasable architecture** allows flexible memory management, supporting both uniform and boot block configurations. This feature enhances firmware updates and system reconfiguration without full-chip erasure.  

The device is compatible with **JEDEC-standard pinouts**, ensuring seamless integration with industry-standard microcontrollers and processors. Additionally, it offers **hardware and software data protection** mechanisms to prevent accidental writes, ensuring data integrity in critical applications.  

Encased in a **32-pin PLCC (Plastic Leaded Chip Carrier) package**, the PM39LV020-70JC provides durability and ease of PCB mounting. Its extended temperature range (-40°C to +85°C) ensures reliable operation in harsh environments.  

With its balance of speed, endurance, and power efficiency, the PM39LV020-70JC remains a dependable choice for developers seeking high-density flash memory solutions.

Application Scenarios & Design Considerations

Sierra, Inc - 512 Kbit / 1Mbit / 2Mbit / 4Mbit 3.0 Volt-only CMOS Flash Memory

Alternative Part Number

  • SST39VF020-70-4C-NHE --: 2Mbit 3V parallel NOR flash in PLCC-32, same 70ns speed grade and pin-compatible footprint, widely available and a direct functional drop-in for the PM39LV020.
  • MX29LV020C-70PC --: 2Mbit 3V low-voltage parallel NOR flash in PLCC-32 with 70ns access time, matching the original's density, voltage and package for a straightforward replacement.
  • AM29LV020B-70JC --: 2Mbit 3V parallel NOR flash in PLCC-32 at 70ns, same JEDEC command set and pinout, a well-established alternative when PMCFLASH parts are unavailable.
  • SST39SF020A-70-4C-PHE --: 2 Mbit (256K x 8) 5V parallel flash in a 32-pin PLCC package with 70 ns access time, functionally equivalent to the PM39LV020-70JC and widely available.
  • AM29F200B-70JC --: 2 Mbit 5V CMOS flash memory in a 44-pin PLCC with 70 ns speed grade, a common drop-in style replacement for PMC 39LV series parts.
  • M29F200BB70M6 --: 2 Mbit 5V parallel flash in a 44-pin SO/PLCC-compatible package with 70 ns access time, suitable as a functional substitute when the original PMC device is unavailable.

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