93C86C-I/P EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 93C86C-I/P is a 16Kbit EEPROM memory IC manufactured by Microchip Technology, featuring Microwire serial interface protocol and 8-DIP through-hole packaging. This non-volatile memory device operates at 3 MHz clock frequency with a 2ms write cycle time and is specified for 4.5V to 5.5V supply voltage operation across the -40°C to 85°C temperature range. The part is ROHS3 compliant and carries active product status. Equivalent and substitute parts are identified based on matching memory capacity, interface protocol compatibility, package form factor, and electrical operating parameters.

Substiute Parts

93C86C-I/P

Microchip TechnologyIn Stock: 90493C86C-I/P Datasheet

Current PartRFQ

93LC86-I/P

Microchip TechnologyIn Stock: 109393LC86-I/P Datasheet

MFR RecommendedRFQ

93LC86C-I/P

Microchip TechnologyIn Stock: 648093LC86C-I/P Datasheet

MFR RecommendedRFQ

AT93C86A-10PU-1.8

Microchip TechnologyIn Stock: 1572AT93C86A-10PU-1.8 Datasheet

MFR RecommendedRFQ

AT93C86A-10PU-2.7

Microchip TechnologyIn Stock: 6395AT93C86A-10PU-2.7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 93C86C-I/P are identified based on the following critical parameters:

Primary Substitution Criteria:

• Memory capacity: 16Kbit
• Package form factor: 8-DIP through-hole
• Operating temperature range: -40°C to 85°C
• RoHS3 compliance

Interface Protocol Compatibility: Substitutes are grouped into two categories based on serial interface protocol:

1. Microwire Protocol Substitutes (93LC86 series): Direct protocol compatibility with the main part. These devices maintain Microwire interface operation and are electrically interchangeable within their specified voltage ranges.

2. 3-Wire Serial Protocol Substitutes (AT93C86A series): Alternative serial interface protocol. These devices require interface circuit adaptation but maintain identical memory capacity, organization, and package specifications.

Voltage Supply Compatibility: The 93C86C-I/P operates within 4.5V to 5.5V. Substitute parts with wider voltage ranges (2.5V to 6.0V or 1.8V to 5.5V) are compatible when the application supply voltage falls within the main part's specified range.

Parameter Comparison

Engineering Selection Recommendations

Direct Microwire Protocol Substitutes:

The 93LC86-I/P and 93LC86C-I/P are functionally equivalent to the 93C86C-I/P within Microwire protocol operation. Both parts maintain identical memory capacity, organization, clock frequency, and package specifications. The 93LC86-I/P offers extended voltage supply range (2.5V to 6.0V) and longer write cycle time (5ms). The 93LC86C-I/P provides voltage range of 2.5V to 5.5V with 5ms write cycle time. Both parts are ROHS3 compliant and carry active product status.

3-Wire Serial Protocol Substitutes:

The AT93C86A-10PU-1.8 and AT93C86A-10PU-2.7 operate using 3-Wire Serial interface protocol rather than Microwire. These parts maintain identical memory capacity, organization, and 8-DIP package form factor. Clock frequency is reduced to 2 MHz with extended write cycle time of 10ms. The AT93C86A-10PU-1.8 supports 1.8V to 5.5V supply voltage, while the AT93C86A-10PU-2.7 supports 2.7V to 5.5V. Both parts are ROHS3 compliant and carry active product status. Selection of these parts requires interface circuit modification to accommodate 3-Wire Serial protocol.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and active product status. Inventory availability ranges from 994 to 6461 pieces across substitute options.

Frequently Asked Questions (FAQ)

Q: Can the 93LC86-I/P directly replace the 93C86C-I/P?

A: Yes, within the 93C86C-I/P voltage supply range of 4.5V to 5.5V. Both parts use Microwire protocol, maintain identical memory capacity and organization, and share the same 8-DIP package. The 93LC86-I/P has a longer write cycle time (5ms versus 2ms) and wider voltage range (2.5V to 6.0V).

Q: What is the key difference between Microwire and 3-Wire Serial interface?

A: Microwire and 3-Wire Serial are distinct serial communication protocols. The 93C86C-I/P, 93LC86-I/P, and 93LC86C-I/P use Microwire protocol. The AT93C86A series uses 3-Wire Serial protocol. Substitution with AT93C86A parts requires interface circuit redesign to support the different protocol.

Q: Are all substitute parts RoHS compliant?

A: Yes, all listed substitute parts are ROHS3 compliant, matching the compliance status of the 93C86C-I/P.

Q: What is the voltage supply compatibility for substitutes?

A: The 93C86C-I/P operates at 4.5V to 5.5V. The 93LC86-I/P supports 2.5V to 6.0V, the 93LC86C-I/P supports 2.5V to 5.5V, the AT93C86A-10PU-1.8 supports 1.8V to 5.5V, and the AT93C86A-10PU-2.7 supports 2.7V to 5.5V. All substitutes are compatible when application voltage remains within the 93C86C-I/P specification.

Q: Do all substitute parts use the same 8-DIP package?

A: Yes, all substitute parts use 8-DIP (0.300", 7.62mm) through-hole packaging, providing identical mechanical compatibility.

Q: What are the write cycle time differences?

A: The 93C86C-I/P specifies 2ms write cycle time. The 93LC86-I/P and 93LC86C-I/P specify 5ms. The AT93C86A-10PU-1.8 and AT93C86A-10PU-2.7 specify 10ms. Longer write cycle times may impact application performance in time-critical write operations.