AT88SC1616C-SH-T Equivalent & Substitute Parts

Part Overview

The AT88SC1616C-SH-T is a Secure Memory IC manufactured by Microchip Technology, supplied in 8-SOIC surface mount packaging. This CryptoMemory® series component is classified as Active product status and is ROHS3 compliant. The device is designed for embedded and smart card applications requiring secure memory functionality.

Substitute parts are necessary when the AT88SC1616C-SH-T reaches end-of-life status, inventory depletion occurs, or alternative packaging and temperature specifications are required for specific application requirements. The substitute parts listed maintain electrical and mechanical compatibility within the defined parameter constraints.

Key Parameters

Parameter	AT88SC1616C-SH-T
Manufacturer	Microchip Technology
Product Type	Secure Memory
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Series	CryptoMemory®
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Packaging Format	Cut Tape (CT)

Substitute Part Grouping Explanation

Substitution eligibility for the AT88SC1616C-SH-T is determined by the following critical parameters:

Primary Compatibility Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected

The substitute parts identified fall into two functional categories:

Category 1: Microchip Technology EEPROM Memory ICs (24AA16 and 24LC16B Series) These parts share identical 8-SOIC packaging, surface mount configuration, and compliance certifications. They provide 16Kbit EEPROM memory with I2C interface, 400 kHz clock frequency, and compatible voltage supply ranges. Variants differ in temperature operating ranges, packaging formats (Tube vs. Cut Tape), and programmable verification status.

Category 2: Microchip Technology High-Speed EEPROM (AT24CS16-SSHM-T) This part maintains 8-SOIC packaging and compliance requirements but operates at 1 MHz clock frequency with 550 ns access time, compared to the standard 400 kHz operation of Category 1 parts.

Category 3: Rohm Semiconductor EEPROM (BR24G16FJ-3AGTE2) This part provides 16Kbit EEPROM functionality in 8-SOP-J packaging with 1 MHz clock frequency and extended voltage supply range (1.6V ~ 5.5V).

Parameter Comparison

Part Number	Manufacturer	Memory Type	Memory Size	Memory Interface	Clock Frequency	Access Time	Voltage Supply	Operating Temperature	Package / Case	RoHS Status	MSL
AT88SC1616C-SH-T	Microchip	Secure Memory	16Kbit	Proprietary	N/A	N/A	N/A	N/A	8-SOIC	ROHS3	1
24AA16-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
24AA16H-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
24AA16T-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
24LC16B-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
24LC16B-M/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	2.5V ~ 5.5V	-55°C ~ 125°C	8-SOIC	ROHS3	1
24LC16BH-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
24LC16BT-E/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	ROHS3	1
24LC16BT-I/SN	Microchip	EEPROM	16Kbit	I2C	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	1
AT24CS16-SSHM-T	Microchip	EEPROM	16Kbit	I2C	1 MHz	550 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-SOIC	ROHS3	3
BR24G16FJ-3AGTE2	Rohm	EEPROM	16Kbit	I2C	1 MHz	N/A	1.6V ~ 5.5V	-40°C ~ 85°C	8-SOP-J	ROHS3	1

Engineering Selection Recommendations

For Direct Replacement (Identical Functional Scope):

The 24AA16-I/SN, 24AA16H-I/SN, and 24AA16T-I/SN provide the closest electrical and mechanical compatibility with the AT88SC1616C-SH-T. All three maintain 8-SOIC packaging, ROHS3 compliance, MSL 1 rating, and identical memory organization (2K x 8). The 24AA16T-I/SN variant offers the highest inventory availability (13,300 pcs) and is supplied in Cut Tape & Digi-Reel® format.

For Extended Temperature Range Applications:

The 24LC16B-M/SN extends the operating temperature range to -55°C ~ 125°C while maintaining all other compatibility parameters. This variant is suitable for industrial and automotive environments requiring wider temperature specifications.

For High-Speed Applications:

The AT24CS16-SSHM-T operates at 1 MHz clock frequency with 550 ns access time, providing performance improvement over standard 400 kHz variants. This part maintains Microchip Technology manufacturing and ROHS3 compliance but carries MSL 3 rating (168 Hours).

For Alternative Manufacturer Requirement:

The BR24G16FJ-3AGTE2 from Rohm Semiconductor provides 16Kbit EEPROM functionality with 1 MHz operation and extended voltage supply range (1.6V ~ 5.5V). Package designation is 8-SOP-J, which is mechanically compatible with 8-SOIC footprints. MSL rating is 1 (Unlimited).

Compliance Verification:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original AT88SC1616C-SH-T specification.

Frequently Asked Questions (FAQ)

Q1: Can the 24LC16B series parts directly replace the AT88SC1616C-SH-T?

The 24LC16B series (24LC16B-I/SN, 24LC16B-M/SN, 24LC16BH-I/SN, 24LC16BT-E/SN, 24LC16BT-I/SN) shares identical 8-SOIC packaging and surface mount configuration. All variants maintain ROHS3 compliance and MSL 1 rating. The primary difference is the minimum voltage supply specification: 24LC16B variants require 2.5V minimum, while 24AA16 variants operate from 1.7V minimum. Selection depends on your circuit's minimum supply voltage requirement.

Q2: What is the difference between 24AA16 and 24LC16B variants?

The 24AA16 series operates across a wider voltage range (1.7V ~ 5.5V) compared to 24LC16B (2.5V ~ 5.5V). Both provide identical 16Kbit EEPROM memory, I2C interface at 400 kHz, and 8-SOIC packaging. The 24AA16 is preferred for low-voltage applications, while 24LC16B is suitable for standard 2.5V to 5.5V supply systems.

Q3: What packaging format differences exist among the substitute parts?

Substitute parts are supplied in three packaging formats: Tube, Cut Tape (CT), and Tape & Reel (TR). The 24AA16T-I/SN and 24LC16BT variants are supplied in Cut Tape & Digi-Reel® format, offering higher inventory availability. Tube packaging is standard for 24AA16-I/SN, 24AA16H-I/SN, 24LC16B-I/SN, 24LC16B-M/SN, and 24LC16BH-I/SN variants.

Q4: Are there temperature-rated variants available?

The 24LC16B-M/SN extends the operating temperature range to -55°C ~ 125°C, compared to the standard -40°C ~ 85°C range of other variants. The 24LC16BT-E/SN also provides extended upper temperature limit to 125°C. These variants are necessary for industrial, automotive, and harsh environment applications.

Q5: What is the significance of the "H" designation in part numbers like 24AA16H-I/SN?

The "H" designation indicates a specific variant within the 24AA16 series. The 24AA16H-I/SN maintains identical electrical specifications (16Kbit, I2C 400 kHz, 1.7V ~ 5.5V supply) and 8-SOIC packaging as the standard 24AA16-I/SN. Inventory and programmable verification status differ between variants.

Q6: Can the high-speed variants (AT24CS16-SSHM-T, BR24G16FJ-3AGTE2) be used as drop-in replacements?

The AT24CS16-SSHM-T and BR24G16FJ-3AGTE2 operate at 1 MHz clock frequency with faster access times (550 ns vs. 900 ns). Both maintain 8-SOIC/8-SOP-J packaging and ROHS3 compliance. These variants are backward compatible in applications that do not require the specific secure memory functionality of the AT88SC1616C-SH-T. The AT24CS16-SSHM-T carries MSL 3 rating, requiring controlled storage conditions.

Q7: What is the MSL (Moisture Sensitivity Level) consideration for substitute selection?

Most substitute parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. The AT24CS16-SSHM-T carries MSL 3 (168 Hours), requiring storage in dry conditions and baking procedures before reflow soldering. MSL 1 parts are preferred for standard manufacturing environments without moisture control requirements.

Q8: Are all substitute parts ROHS3 compliant?

All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with environmental and hazardous substance restrictions.

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