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PM29F004T-90PC from PMCB3Z5H

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PM29F004T-90PC

Manufacturer: PMCB3Z5H, PMC

Sierra, Inc - 4 Megabit (512K X 8) 5.0 Volt-Only CMOS Flash Memory

Partnumber Manufacturer Quantity Availability
PM29F004T-90PC,PM29F004T90PC PMCB3Z5H, PMC 138 In Stock

Description and Introduction

Sierra, Inc - 4 Megabit (512K X 8) 5.0 Volt-Only CMOS Flash Memory The **PM29F004T-90PC** is a high-performance **4-megabit (512K x 8) flash memory** component designed for applications requiring fast read and write operations. Manufactured with advanced CMOS technology, it offers reliable non-volatile storage, making it suitable for embedded systems, industrial controls, and firmware storage.  

Operating at **90ns access time**, this device ensures efficient data retrieval, while its **single 5V power supply** simplifies integration into various circuit designs. The **PM29F004T-90PC** features a **sector-erasable architecture**, allowing selective memory block modification without full-chip erasure, enhancing flexibility in firmware updates.  

With a **JEDEC-standard pinout**, it is compatible with industry specifications, ensuring seamless replacement in legacy systems. Additionally, its **low power consumption** and **extended endurance** make it a dependable choice for long-term applications. The component is housed in a **32-pin plastic DIP (PDIP) package**, facilitating easy PCB mounting and prototyping.  

Engineers and developers favor the **PM29F004T-90PC** for its **balance of speed, reliability, and cost-effectiveness**, making it a practical solution for both new designs and system upgrades. Its robust performance ensures consistent operation in demanding environments, reinforcing its position as a trusted flash memory solution.

Application Scenarios & Design Considerations

Sierra, Inc - 4 Megabit (512K X 8) 5.0 Volt-Only CMOS Flash Memory

Alternative Part Number

  • AM29F004B-90PC --: Same 4 Mbit flash density, 90 ns speed, and 32-pin PLCC package; pin-compatible CMOS flash device from a different series.
  • SST39SF040-70-4C-PHE --: 4 Mbit parallel flash in 32-pin PLCC with compatible interface; faster 70 ns access and widely available alternative.
  • M29F400BB-90K6 --: 4 Mbit flash memory with 90 ns access time and similar PLCC footprint, suitable as a functional replacement.
  • AM29F004B-90PC --: Same 4 Mbit 5V flash density and 90 ns speed in a compatible 32-pin PLCC package; AMD originated the Am29F series that PMC second-sourced, so timing and pinout match closely.
  • SST39SF040-70-4C-PH --: 4 Mbit 5V parallel flash in a 32-pin PLCC with similar pinout and access time; widely available and a common drop-in replacement for legacy 4 Mbit flash devices.
  • M29F400BB-90K6 --: 4 Mbit 5V flash with 90 ns access in a PLCC-compatible package; functionally equivalent boot-block architecture suitable for replacing the PMC device in legacy designs.

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