DS80C320-ECG Equivalent & Substitute Parts

Part Overview

The DS80C320-ECG is an 8051-based 8-bit microcontroller IC manufactured by Analog Devices Inc./Maxim Integrated. This ROMless device operates at 25MHz with 256 x 8 bytes of RAM and 32 I/O pins in a 44-TQFP surface mount package. The part is classified as obsolete, making identification of suitable alternatives essential for ongoing system support and new design implementations.

Substiute Parts

DS80C320-ECG

Analog Devices Inc./Maxim IntegratedIn Stock: 3948DS80C320-ECG Datasheet

Current PartRFQ

DS80C320-ECG+

Analog Devices Inc./Maxim IntegratedIn Stock: 1372DS80C320-ECG+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS80C320-ECG is determined by strict equivalence across the following critical parameters:

• Core Architecture: 8051 processor family
• Memory Configuration: ROMless design with 256 x 8 RAM
• Clock Speed: 25MHz operation
• I/O Count: 32 pins
• Package: 44-TQFP (10x10) surface mount
• Voltage Range: 4.5V ~ 5.5V supply
• Connectivity & Peripherals: EBI/EMI, SIO, UART/USART, Power-Fail Reset, WDT

The DS80C320-ECG+ qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. The primary distinction is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The DS80C320-ECG+ is the direct functional equivalent of the DS80C320-ECG. Both devices share identical electrical and mechanical specifications, ensuring pin-for-pin compatibility and functional interchangeability in circuit designs.

The DS80C320-ECG+ offers two significant advantages for new procurement:

1. Active Product Status: The DS80C320-ECG+ maintains active manufacturing status, ensuring long-term availability and supply chain reliability compared to the obsolete DS80C320-ECG.

2. RoHS3 Compliance: The DS80C320-ECG+ meets ROHS3 compliance requirements, whereas the DS80C320-ECG is RoHS non-compliant. This distinction is critical for applications subject to environmental regulations and industry standards.

Both parts carry identical moisture sensitivity level (MSL 3, 168 Hours), REACH status (REACH Unaffected), ECCN, and HTSUS classifications.

Frequently Asked Questions (FAQ)

Q: Can the DS80C320-ECG+ replace the DS80C320-ECG in existing designs?

A: Yes. The DS80C320-ECG+ is electrically and mechanically identical to the DS80C320-ECG. All electrical parameters, pin configurations, and functional specifications are equivalent, enabling direct substitution without circuit modification.

Q: What is the difference between the DS80C320-ECG and DS80C320-ECG+?

A: The primary differences are product status, RoHS compliance, and packaging format. The DS80C320-ECG is obsolete and RoHS non-compliant, supplied in tube packaging. The DS80C320-ECG+ is an active product with ROHS3 compliance, supplied in tray packaging.

Q: Are there any compatibility concerns with the 44-TQFP package?

A: No. Both parts use identical 44-TQFP (10x10) surface mount packages. PCB footprints, soldering requirements, and thermal characteristics are equivalent.

Q: Does the DS80C320-ECG+ require different firmware or software?

A: No. The 8051 core architecture, instruction set, memory configuration, and peripheral functionality are identical between both parts. Existing firmware requires no modification.

Q: What is the significance of RoHS3 compliance for the DS80C320-ECG+?

A: ROHS3 compliance indicates the DS80C320-ECG+ meets current environmental and hazardous substance restrictions. This is essential for applications in regulated industries and regions with mandatory RoHS requirements. The DS80C320-ECG, being RoHS non-compliant, may face procurement restrictions in such applications.

Q: Can the DS80C320-ECG be used in new designs?

A: The DS80C320-ECG is classified as obsolete. While functional equivalents exist, new designs should specify the DS80C320-ECG+ to ensure long-term supply availability and compliance with current environmental standards.