93AA56CXT-I/SN EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 93AA56CXT-I/SN is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring Microwire serial interface protocol and 8-SOIC surface mount packaging. This non-volatile memory device operates across a wide supply voltage range of 1.8V to 5.5V and supports memory organization of 256 x 8 or 128 x 16 bits. The part is ROHS3 compliant and maintains active product status. 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.

Key Parameters

Parameter	Specification
Memory Type	Non-Volatile EEPROM
Memory Size	2Kbit
Memory Organization	256 x 8, 128 x 16
Memory Interface	Microwire
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage - Supply	1.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 93AA56CXT-I/SN is determined by the following critical parameters: memory capacity (2Kbit), memory interface protocol (Microwire), package type (8-SOIC), and supply voltage compatibility. All identified substitute parts maintain identical memory size, organization, and interface specifications. Packaging remains consistent across all substitutes at 8-SOIC form factor. Supply voltage ranges and operating temperature specifications define the substitution boundaries. Parts are grouped by manufacturer and specific electrical characteristics to facilitate selection based on application requirements.

Parameter Comparison

Parameter	93AA56CXT-I/SN	93AA56CT-I/SN	M93C56-RMN3TP/K	M93C56-RMN6TP	M93C56-WMN6P	M93C56-WMN6TP
Manufacturer	Microchip Technology	Microchip Technology	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Memory Size	2Kbit	2Kbit	2Kbit	2Kbit	2Kbit	2Kbit
Memory Interface	Microwire	Microwire	Microwire	Microwire	Microwire	Microwire
Clock Frequency	3 MHz	3 MHz	2 MHz	1 MHz	2 MHz	2 MHz
Write Cycle Time	6ms	6ms	5ms	5ms	5ms	5ms
Voltage - Supply	1.8V ~ 5.5V	1.8V ~ 5.5V	1.8V ~ 5.5V	1.8V ~ 5.5V	2.5V ~ 5.5V	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

93AA56CT-I/SN (Microchip Technology): Direct equivalent with identical electrical specifications and operating parameters. Verified programmable status and higher inventory availability (2195 pcs) support production deployment. Recommended for applications requiring Microchip Technology sourcing or existing supply chain continuity.

M93C56-RMN3TP/K (STMicroelectronics): Automotive-grade substitute with AEC-Q100 qualification and extended operating temperature range (-40°C to 125°C). Suitable for automotive and industrial applications requiring enhanced temperature performance. Verified programmable status and substantial inventory (5100 pcs) ensure availability.

M93C56-RMN6TP (STMicroelectronics): Verified substitute with lowest clock frequency (1 MHz) and largest inventory availability (25200 pcs). Appropriate for applications with relaxed timing requirements and cost-sensitive production volumes.

M93C56-WMN6P (STMicroelectronics): Tube packaging option with reduced minimum supply voltage (2.5V floor). Not verified for programmability. Suitable for applications operating above 2.5V with tube packaging requirements.

M93C56-WMN6TP (STMicroelectronics): Verified substitute with reduced minimum supply voltage (2.5V floor) and Cut Tape & Digi-Reel packaging. Appropriate for applications with 2.5V minimum supply voltage and tape reel handling requirements.

Frequently Asked Questions (FAQ)

Q: Can M93C56-WMN6P substitute for 93AA56CXT-I/SN in applications requiring 1.8V operation? A: No. M93C56-WMN6P specifies a minimum supply voltage of 2.5V, making it incompatible with applications requiring 1.8V operation. Use 93AA56CT-I/SN, M93C56-RMN3TP/K, or M93C56-RMN6TP for 1.8V compatibility.

Q: What is the primary difference between M93C56-RMN3TP/K and other STMicroelectronics substitutes? A: M93C56-RMN3TP/K is automotive-grade with AEC-Q100 qualification and extended operating temperature range to 125°C. Other STMicroelectronics options operate to 85°C maximum. Select M93C56-RMN3TP/K for automotive and high-temperature industrial applications.

Q: Are all substitute parts available in identical packaging? A: All substitutes use 8-SOIC surface mount packaging with identical 0.154" (3.90mm) width. Packaging format differs by supplier: Microchip options use Tape & Reel; STMicroelectronics offers Tape & Reel, Cut Tape & Digi-Reel, or Tube formats. Verify packaging format compatibility with assembly equipment.

Q: Does clock frequency affect functional compatibility? A: Clock frequency differences (1 MHz to 3 MHz) do not prevent functional substitution. Lower clock frequency parts operate at reduced data rates but maintain full memory capacity and interface compatibility. Select based on application timing requirements.

Q: Which substitute offers the best inventory availability? A: M93C56-RMN6TP provides the largest inventory (25200 pcs), followed by M93C56-WMN6P (5,000,300 pcs). Verify current stock levels with suppliers for production scheduling.

Q: Is programmability verification important for my application? A: Verified programmable status indicates the part has been tested for in-circuit programming capability. For applications requiring field programming, select verified parts: 93AA56CT-I/SN, M93C56-RMN3TP/K, M93C56-RMN6TP, or M93C56-WMN6TP. M93C56-WMN6P is not verified for programmability.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message