93C86CT-E/SN EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 93C86CT-E/SN is a 16Kbit EEPROM memory IC manufactured by Microchip Technology, featuring Microwire serial interface protocol and 8-SOIC surface mount packaging. This non-volatile memory device operates at 3 MHz clock frequency with a 2ms write cycle time and supports dual memory organization (2K x 8 or 1K x 16 bits). The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching memory capacity, interface protocol, package type, and electrical operating parameters to ensure functional interchangeability in circuit applications.

Substiute Parts

93C86CT-E/SN

Microchip TechnologyIn Stock: 68693C86CT-E/SN Datasheet

Current PartRFQ

CAV93C86VE-GT3

onsemiIn Stock: 3471CAV93C86VE-GT3 Datasheet

MFR RecommendedRFQ

M93C86-RMN3TP/K

STMicroelectronicsIn Stock: 12996M93C86-RMN3TP/K Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 93C86CT-E/SN are qualified based on the following critical parameters that determine functional interchangeability:

Core Matching Criteria:

• Memory capacity: 16Kbit
• Memory format: EEPROM technology
• Memory organization: 2K x 8 or 1K x 16 bit configuration
• Serial interface: Microwire protocol
• Package type: 8-SOIC surface mount
• Operating temperature range: -40°C to 125°C minimum
• RoHS compliance: ROHS3 Compliant

The identified substitute parts (CAV93C86VE-GT3 from onsemi and M93C86-RMN3TP/K from STMicroelectronics) meet all core matching criteria. Variations in clock frequency (2 MHz vs. 3 MHz), supply voltage range, and write cycle time represent acceptable parameter differences that do not prevent functional substitution in most circuit applications, as these parameters define performance characteristics rather than core functionality.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts maintain active production status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the original 93C86CT-E/SN.

CAV93C86VE-GT3 (onsemi): This part carries automotive-grade qualification (AEC-Q100) and supports an extended supply voltage range (2.5V ~ 5.5V) compared to the original part. The 2 MHz clock frequency represents a performance reduction relative to the 3 MHz specification of the main part.

M93C86-RMN3TP/K (STMicroelectronics): This part also carries automotive-grade qualification (AEC-Q100) and provides the widest supply voltage range (1.8V ~ 5.5V), enabling operation in low-power applications. The 2 MHz clock frequency and 5ms write cycle time represent performance characteristics that differ from the original part specifications.

Selection between substitute parts should be based on circuit supply voltage requirements, clock frequency tolerance, and write cycle time constraints specific to the application.

Frequently Asked Questions (FAQ)

Q: Can the CAV93C86VE-GT3 or M93C86-RMN3TP/K be used as direct replacements for the 93C86CT-E/SN?

A: Both parts are functionally compatible substitutes based on matching 16Kbit EEPROM capacity, Microwire interface protocol, 8-SOIC package type, and -40°C to 125°C operating temperature range. Differences in clock frequency (2 MHz vs. 3 MHz) and supply voltage ranges do not prevent substitution in most applications but should be evaluated against specific circuit timing and power supply requirements.

Q: What are the key differences between the three parts?

A: The primary differences are clock frequency (93C86CT-E/SN operates at 3 MHz while both substitutes operate at 2 MHz), supply voltage range (93C86CT-E/SN: 4.5V-5.5V; CAV93C86VE-GT3: 2.5V-5.5V; M93C86-RMN3TP/K: 1.8V-5.5V), and write cycle time (93C86CT-E/SN: 2ms; M93C86-RMN3TP/K: 5ms). All three parts share identical memory capacity, organization, interface protocol, and package specifications.

Q: Are the substitute parts automotive-qualified?

A: Both CAV93C86VE-GT3 and M93C86-RMN3TP/K carry AEC-Q100 automotive qualification. The original 93C86CT-E/SN does not specify automotive qualification in the provided parameters.

Q: Do all three parts use the same 8-SOIC package?

A: Yes. All three parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring identical PCB footprint and mounting compatibility.

Q: What is the moisture sensitivity rating for these parts?

A: All three parts carry MSL 1 (Unlimited) moisture sensitivity level, indicating no moisture sensitivity restrictions for storage or handling.