AT88SC1616C-SH Equivalent & Substitute Parts

Part Overview

The AT88SC1616C-SH is a Secure Memory IC manufactured by Microchip Technology, classified as a CryptoMemory® device in 8-SOIC surface mount packaging. This component is designed for embedded and smart card applications requiring secure data storage. The part is currently Active in product status with 725 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, memory capacity, interface protocol, and physical packaging to ensure functional compatibility in target applications.

Key Parameters

Parameter	AT88SC1616C-SH
Manufacturer	Microchip Technology
Memory Type	Secure Memory
Memory Size	16Kbit
Memory Organization	2K x 8
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the AT88SC1616C-SH are identified based on the following critical parameters:

Memory Capacity & Organization: All substitute parts maintain 16Kbit capacity with 2K x 8 organization, ensuring data storage compatibility.

Physical Package: All substitutes use 8-SOIC (0.154", 3.90mm Width) surface mount packaging, enabling direct PCB footprint compatibility.

Interface Protocol: Substitute parts utilize I2C interface protocol, matching the communication standard of the main part.

Compliance Standards: All substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring environmental and moisture handling compatibility.

Electrical Characteristics: Voltage supply ranges, operating temperature ranges, and access times are evaluated to confirm functional equivalence within specified operating conditions.

Substitutes are grouped into two categories: Microchip Technology EEPROM variants (24AA16 and 24LC16B series) and Rohm Semiconductor EEPROM alternatives (BR24 series). These parts provide equivalent memory functionality with I2C interface compatibility.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Memory Organization	Interface	Clock Frequency	Package	Voltage Supply	Operating Temperature	RoHS Status	MSL	Product Status
AT88SC1616C-SH	Microchip	16Kbit	2K x 8	Secure Memory	N/A	8-SOIC	N/A	N/A	ROHS3	1	Active
24AA16-I/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	1.7V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
24AA16H-I/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	1.7V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
24LC16B-E/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	2.5V ~ 5.5V	-40°C ~ 125°C	ROHS3	1	Active
24LC16B-I/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	2.5V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
24LC16B-M/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	2.5V ~ 5.5V	-55°C ~ 125°C	ROHS3	1	Active
24LC16BH-I/SN	Microchip	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	2.5V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
AT24CS16-SSHM-T	Microchip	16Kbit	2K x 8	I2C	1 MHz	8-SOIC	1.7V ~ 5.5V	-40°C ~ 85°C	ROHS3	3	Active
BR24G16FJ-3AGTE2	Rohm	16Kbit	2K x 8	I2C	1 MHz	8-SOIC	1.6V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
BR24L16FJ-WE2	Rohm	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	1.8V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active
BR24S16FJ-WE2	Rohm	16Kbit	2K x 8	I2C	400 kHz	8-SOIC	1.7V ~ 5.5V	-40°C ~ 85°C	ROHS3	1	Active

Engineering Selection Recommendations

Microchip Technology 24AA16 Series (24AA16-I/SN, 24AA16H-I/SN): These parts are standard EEPROM alternatives with 400 kHz I2C operation and wide voltage supply range (1.7V ~ 5.5V). Both are Active status products. The 24AA16-I/SN carries verified programmability status, making it suitable for applications requiring confirmed programming compatibility. The 24AA16H-I/SN provides equivalent functionality with unverified programmability status.

Microchip Technology 24LC16B Series (24LC16B-E/SN, 24LC16B-I/SN, 24LC16B-M/SN, 24LC16BH-I/SN): These EEPROM variants operate at 400 kHz I2C with narrower voltage supply range (2.5V ~ 5.5V) compared to 24AA16 series. The 24LC16B-E/SN and 24LC16B-I/SN are verified for programmability. The 24LC16B-M/SN supports extended temperature range (-55°C ~ 125°C), suitable for industrial applications. All variants maintain ROHS3 compliance and MSL 1 rating.

Microchip Technology AT24CS16-SSHM-T: This part operates at 1 MHz I2C clock frequency with 550 ns access time, providing faster operation than standard 400 kHz variants. Voltage supply range is 1.7V ~ 5.5V. MSL rating is 3 (168 Hours), requiring controlled moisture handling. Supplied in Tape & Reel packaging.

Rohm Semiconductor BR24G16FJ-3AGTE2: This 1 MHz I2C EEPROM provides fast operation with voltage supply range 1.6V ~ 5.5V and MSL 1 rating. Active product status with verified availability. Supplied in Tape & Reel packaging.

Rohm Semiconductor BR24L16FJ-WE2 and BR24S16FJ-WE2: Both operate at 400 kHz I2C with MSL 1 rating and Tape & Reel packaging. BR24L16FJ-WE2 supports 1.8V ~ 5.5V supply range with verified programmability. BR24S16FJ-WE2 supports 1.7V ~ 5.5V supply range with verified programmability and highest inventory availability (49,944 units).

Selection criteria: Choose based on required I2C clock frequency (400 kHz vs. 1 MHz), voltage supply range compatibility, operating temperature requirements, and packaging format (Tube vs. Tape & Reel).

Frequently Asked Questions (FAQ)

Q: Can 24AA16-I/SN directly replace AT88SC1616C-SH?

A: Both parts share 16Kbit capacity, 2K x 8 organization, 8-SOIC packaging, and ROHS3 compliance. The 24AA16-I/SN operates via I2C interface at 400 kHz with voltage range 1.7V ~ 5.5V and temperature range -40°C ~ 85°C. Functional compatibility depends on application requirements for I2C protocol support and specified operating conditions.

Q: What is the difference between 24LC16B-E/SN and 24LC16B-I/SN?

A: Both parts are 16Kbit I2C EEPROM devices in 8-SOIC packaging with identical electrical specifications. The primary difference is operating temperature range: 24LC16B-E/SN supports -40°C ~ 125°C, while 24LC16B-I/SN supports -40°C ~ 85°C. Select based on application temperature requirements.

Q: Why does AT24CS16-SSHM-T have MSL 3 rating while others have MSL 1?

A: MSL (Moisture Sensitivity Level) indicates moisture handling requirements during storage and assembly. MSL 3 requires controlled moisture environment (168 hours maximum at specified conditions), while MSL 1 has unlimited shelf life. AT24CS16-SSHM-T requires more stringent moisture control during manufacturing processes.

Q: Are Rohm BR24 series parts compatible with Microchip designs?

A: BR24L16FJ-WE2 and BR24S16FJ-WE2 are I2C EEPROM devices with 16Kbit capacity and 2K x 8 organization in 8-SOIC packaging, matching Microchip part specifications. Both maintain ROHS3 compliance and MSL 1 rating. Compatibility depends on I2C protocol implementation and voltage supply range requirements in the target application.

Q: What is the significance of 1 MHz vs. 400 kHz I2C clock frequency?

A: Clock frequency determines data transfer speed. 1 MHz operation (AT24CS16-SSHM-T, BR24G16FJ-3AGTE2) provides faster I2C communication with 550 ns access time. 400 kHz operation (24AA16, 24LC16B, BR24L16FJ-WE2, BR24S16FJ-WE2) provides standard I2C speed with 900 ns access time. Select based on system I2C bus configuration and timing requirements.

Q: Which substitute part has the highest inventory availability?

A: BR24S16FJ-WE2 has the highest inventory with 49,944 units in stock. This Rohm Semiconductor part operates at 400 kHz I2C with 1.7V ~ 5.5V supply range, -40°C ~ 85°C operating temperature, ROHS3 compliance, and MSL 1 rating in Tape & Reel packaging.

Q: Can I use 24LC16B-M/SN for extended temperature applications?

A: Yes. The 24LC16B-M/SN supports operating temperature range -55°C ~ 125°C, providing extended temperature capability compared to standard variants (-40°C ~ 85°C). This part maintains 16Kbit capacity, 2K x 8 organization, 400 kHz I2C operation, 2.5V ~ 5.5V supply range, ROHS3 compliance, and MSL 1 rating in 8-SOIC packaging.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are supplied in two packaging formats: Tube (24AA16 series, 24LC16B series, 24LC16BH-I/SN) and Tape & Reel (AT24CS16-SSHM-T, BR24G16FJ-3AGTE2, BR24L16FJ-WE2, BR24S16FJ-WE2). Select based on assembly process requirements and volume needs.

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