AT88SC6416C-PU Equivalent & Substitute Parts

Part Overview

The AT88SC6416C-PU is a Secure Memory IC manufactured by Microchip Technology, housed in an 8-DIP package for through-hole mounting. This CryptoMemory® series component is classified as obsolete, though 743 units remain in stock as new original inventory. The part integrates secure memory functionality for embedded and smart card applications. Due to its obsolete status, equivalent substitute parts from Microchip's active EEPROM product lines provide functional alternatives with maintained electrical and mechanical compatibility.

Substiute Parts

AT88SC6416C-PU

Microchip TechnologyIn Stock: 796AT88SC6416C-PU Datasheet

Current PartRFQ

24AA64-E/P

Microchip TechnologyIn Stock: 104624AA64-E/P Datasheet

MFR RecommendedRFQ

24AA64-I/P

Microchip TechnologyIn Stock: 2040124AA64-I/P Datasheet

MFR RecommendedRFQ

24AA64F-I/P

Microchip TechnologyIn Stock: 352424AA64F-I/P Datasheet

MFR RecommendedRFQ

24FC64-I/P

Microchip TechnologyIn Stock: 113224FC64-I/P Datasheet

MFR RecommendedRFQ

24FC64F-I/P

Microchip TechnologyIn Stock: 154324FC64F-I/P Datasheet

MFR RecommendedRFQ

24LC64-E/P

Microchip TechnologyIn Stock: 230624LC64-E/P Datasheet

MFR RecommendedRFQ

24LC64-I/P

Microchip TechnologyIn Stock: 301924LC64-I/P Datasheet

MFR RecommendedRFQ

24LC64F-E/P

Microchip TechnologyIn Stock: 166524LC64F-E/P Datasheet

MFR RecommendedRFQ

24LC64F-I/P

Microchip TechnologyIn Stock: 161824LC64F-I/P Datasheet

MFR RecommendedRFQ

24LC65-I/P

Microchip TechnologyIn Stock: 436624LC65-I/P Datasheet

MFR RecommendedRFQ

AT24C64B-10PU-2.7

Microchip TechnologyIn Stock: 979AT24C64B-10PU-2.7 Datasheet

MFR RecommendedRFQ

AT88SC6416C-SU

Microchip TechnologyIn Stock: 8210AT88SC6416C-SU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AT88SC6416C-PU are selected based on strict electrical and mechanical compatibility criteria. All substitute candidates share the following mandatory parameters with the main part:

Mandatory Matching Parameters:

• Memory Size: 64Kbit
• Memory Organization: 8K x 8
• Memory Interface: I2C
• Package Type: 8-DIP (0.300", 7.62mm)
• Mounting Type: Through Hole
• Supplier Device Package: 8-PDIP
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• Manufacturer: Microchip Technology

Substitute parts are grouped into two categories based on clock frequency performance:

Category 1: 400 kHz I2C Operation (24AA64 and 24LC64 Series) Parts operating at 400 kHz clock frequency with 900 ns access time. These include 24AA64-E/P, 24AA64-I/P, 24AA64F-I/P, 24LC64-E/P, 24LC64-I/P, 24LC64F-E/P, 24LC64F-I/P, and 24LC65-I/P.

Category 2: 1 MHz I2C Operation (24FC64 Series) Parts operating at 1 MHz clock frequency with 400 ns access time. These include 24FC64-I/P and 24FC64F-I/P.

All substitute parts maintain active product status and full ROHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation for Extended Temperature Range: 24AA64-E/P and 24LC64F-E/P are preferred for applications requiring operation across -40°C to 125°C. Both parts maintain active product status with full ROHS3 compliance and unlimited moisture sensitivity rating. The 24AA64-E/P offers the widest supply voltage range (1.7V ~ 5.5V), while 24LC64F-E/P operates from 2.5V ~ 5.5V.

Primary Recommendation for Standard Temperature Range: 24AA64-I/P and 24LC64-I/P are suitable for applications operating within -40°C to 85°C. Both maintain active status with ROHS3 compliance. 24AA64-I/P provides wider supply voltage compatibility (1.7V ~ 5.5V) compared to 24LC64-I/P (2.5V ~ 5.5V). Inventory availability is substantial: 20,300 units for 24AA64-I/P and 3,000 units for 24LC64-I/P.

Recommendation for High-Speed I2C Applications: 24FC64-I/P and 24FC64F-I/P operate at 1 MHz clock frequency with 400 ns access time, providing enhanced performance over standard 400 kHz alternatives. Both maintain active status and ROHS3 compliance with 1.7V ~ 5.5V supply voltage range.

Recommendation for Extended Supply Voltage Range: 24LC65-I/P supports the widest supply voltage range (2.5V ~ 6.0V) among all substitutes, with 4,280 units in stock and verified programmability status.

All substitute parts are manufactured by Microchip Technology, maintain ROHS3 compliance, and feature unlimited moisture sensitivity rating (MSL 1), ensuring direct compatibility with the original AT88SC6416C-PU in terms of regulatory and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can 24AA64-I/P directly replace AT88SC6416C-PU in existing designs?

A: Yes. Both parts share identical 8-DIP package dimensions (0.300", 7.62mm), through-hole mounting type, 64Kbit memory capacity, 8K x 8 organization, and I2C interface. Pin-to-pin compatibility is maintained. The 24AA64-I/P operates at 400 kHz I2C frequency with 900 ns access time and supports 1.7V ~ 5.5V supply voltage.

Q: What is the difference between 24AA64 and 24LC64 series?

A: The primary difference is supply voltage range. 24AA64 series operates from 1.7V ~ 5.5V, while 24LC64 series operates from 2.5V ~ 5.5V. Both series share identical memory capacity, organization, I2C frequency, and package specifications. Selection depends on minimum supply voltage requirements of the application.

Q: Why should I choose 24FC64-I/P over 24AA64-I/P?

A: The 24FC64-I/P operates at 1 MHz I2C clock frequency with 400 ns access time, compared to 24AA64-I/P at 400 kHz with 900 ns access time. Selection of 24FC64-I/P is appropriate for applications requiring faster I2C communication speeds. Both parts maintain identical package, voltage range, and compliance specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (24AA64-E/P, 24AA64-I/P, 24AA64F-I/P, 24FC64-I/P, 24FC64F-I/P, 24LC64-E/P, 24LC64-I/P, 24LC64F-E/P, 24LC64F-I/P, and 24LC65-I/P) are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Q: What is the significance of the temperature grade suffix (-E vs -I)?

A: The temperature grade indicates operating temperature range. Parts with -E suffix operate from -40°C to 125°C (extended range), while parts with -I suffix operate from -40°C to 85°C (industrial range). Selection depends on application temperature requirements.

Q: Can I use 24LC65-I/P in applications requiring 6.0V supply voltage?

A: Yes. The 24LC65-I/P supports supply voltage from 2.5V to 6.0V, making it suitable for applications requiring operation at 6.0V. Other substitute parts are rated to maximum 5.5V supply voltage.

Q: What inventory levels are available for immediate procurement?

A: Inventory availability varies: 24AA64-I/P (20,300 units), 24LC65-I/P (4,280 units), 24AA64F-I/P (3,440 units), 24LC64-I/P (3,000 units), 24LC64F-I/P (1,541 units), 24LC64F-E/P (1,556 units), 24FC64F-I/P (1,447 units), 24FC64-I/P (1,107 units), 24LC64-E/P (2,200 units), and 24AA64-E/P (1,033 units).