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Microchip Technology SST39SF040554INHE 4 Megabit Flash Memory

The SST39SF040 is a 4 Megabit (512K x 8) CMOS Multi-Purpose Flash memory device manufactured with SST's high-performance SuperFlash technology. Designed for industrial and commercial applications, it operates at 45 ns access speed with a supply voltage of 4.5-5.5V. The device features JEDEC-standard pinouts, reliable split-gate cell structure, and thick oxide tunneling injectors for improved durability. It is available in various packages including PLCC and TSOP, with options for industrial or commercial temperature ranges, and supports up to 10,000 endurance cycles, making it ideal for embedded systems, firmware storage, and high-reliability environments.

Authorized Distributors
Source:Newark
Part No:SST39SF040-55-4I-NHE
Stock:265
Inv Date:06-03-2026
Price: Unit price: $2.93
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Source:DigiKey
Part No:SST39SF040-55-4I-NHE
Stock:460
Inv Date:06-03-2026
Price: Unit price: $2.84
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Part No:SST39SF040-55-4I-NHE
Stock:293
Inv Date:06-04-2026
Price: Unit price: $3.02
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Part No:SST39SF040-55-4I-NHE
Stock:0
Inv Date:06-03-2026
Price: Unit price: $6.38
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Part No:SST39SF040-55-4I-NHE
Stock:0
Inv Date:06-03-2026
Price: Unit price: $3.01
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Part No:SST39SF040-55-4I-NHE
Stock:0
Inv Date:06-03-2026
Price: Unit price: $3.01
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Part No:SST39SF040-55-4I-NHE
Stock:12762
Inv Date:06-03-2026
Price: Unit price: $2.94
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Part No:SST39SF040-55-4I-NHE
Stock:2
Inv Date:06-04-2026
Price: N/A
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Microchip Technology SST39SF040554INHE 4 Megabit Flash Memory Specifications:

  • Memory Size: 4 Mbit
  • Access Time: 45 ns
  • Supply Voltage: 4.5-5.5V
  • Package Options: PLCC, TSOP
  • Temperature Range: Commercial 0°C to +70°C, Industrial -40°C to +85°C
  • Endurance: 10,000 cycles
  • JEDEC Standard Pinouts
  • Device Series: Multi-Purpose Flash
  • Package Type: N=PLCC, W=TSOP
  • Minimum Endurance: 10,000 cycles
  • Write Speed: 45 ns
  • Environmental Compliance: RoHS non-Pb
  • Device Version: A

Buy the Microchip Series 39 MTP Flash: SST39SF040

Order the Microchip SST39SF040 4 Megabit Flash Memory online now to ensure fast delivery and reliable performance. With 45 ns access speed and a voltage range of 4.5-5.5V, it is perfect for embedded systems, firmware updates, and industrial applications. Its robust design offers up to 10,000 cycles endurance, JEDEC standard pinouts, and multiple packaging options including PLCC and TSOP for easy integration. Purchase today to benefit from high-quality, durable memory solutions for your electronic projects and manufacturing needs.

Get Microchip SST39SF040 today—built for high speed, long-lasting durability, and reliable firmware storage.

Frequently Asked Questions

Where can I buy Microchip Technology SST39SF040554INHE?

You can click on the BUY or RFQ button to purchase SST39SF040554INHE from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part SST39SF040554INHE?

You can download the SST39SF040554INHE datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of SST39SF040554INHE?

Microchip Technology

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