24LC16BHT-E/OT EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24LC16BHT-E/OT is a 16Kbit I2C EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates across a supply voltage range of 2.5V to 5.5V and is housed in a SOT-23-5 surface mount package. The device is currently in active production status and is RoHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative packaging formats while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Memory Size	16Kbit
Memory Organization	2K x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5ms
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 125°C
Package Type	SOT-23-5 (SC-74A)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 24LC16BHT-E/OT are qualified based on matching the following critical parameters: 16Kbit memory capacity, 2K x 8 memory organization, I2C interface protocol, 400 kHz clock frequency, 900 ns access time, 5ms write cycle time, SOT-23-5 package type, and surface mount mounting technology. All substitute parts must maintain compatibility with the operating temperature range of -40°C to 125°C and support the same RoHS3 compliance status.

Two substitute parts are identified:

24LC16BT-E/OT — Parametric equivalent with identical electrical specifications and matching supply voltage range (2.5V ~ 5.5V). Differs only in packaging format (Cut Tape & Digi-Reel versus Tape & Reel).

24AA16T-E/OT — Manufacturer-recommended substitute with extended supply voltage range (1.7V ~ 5.5V), providing broader operational flexibility. Differs in packaging format (Cut Tape & Digi-Reel) and base product series designation.

Parameter Comparison

Parameter	24LC16BHT-E/OT (Main)	24LC16BT-E/OT (Parametric Equivalent)	24AA16T-E/OT (MFR Recommended)
Memory Size	16Kbit	16Kbit	16Kbit
Memory Organization	2K x 8	2K x 8	2K x 8
Memory Interface	I2C	I2C	I2C
Clock Frequency	400 kHz	400 kHz	400 kHz
Access Time	900 ns	900 ns	900 ns
Write Cycle Time	5ms	5ms	5ms
Voltage Supply Range	2.5V ~ 5.5V	2.5V ~ 5.5V	1.7V ~ 5.5V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package Type	SOT-23-5	SOT-23-5	SOT-23-5
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Tape & Reel (TR)	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel

Engineering Selection Recommendations

24LC16BT-E/OT is selected when parametric equivalence with identical supply voltage specifications (2.5V ~ 5.5V) is required and packaging format flexibility permits Cut Tape & Digi-Reel distribution. This part maintains full electrical compatibility and carries DiGi-Electronics Programmable verification status.

24AA16T-E/OT is selected when extended supply voltage range capability (1.7V ~ 5.5V) provides design advantage for low-power applications or when Cut Tape & Digi-Reel packaging format is preferred. This part is manufacturer-recommended and carries RoHS3 compliance certification.

Both substitute parts maintain active production status and are RoHS3 compliant, ensuring long-term availability and regulatory compliance alignment with the primary part.

Frequently Asked Questions (FAQ)

Q: Can 24LC16BT-E/OT be used as a direct replacement for 24LC16BHT-E/OT?

A: Yes. Both parts share identical electrical specifications including memory capacity, interface protocol, timing parameters, and supply voltage range. The difference is packaging format: 24LC16BT-E/OT uses Cut Tape & Digi-Reel distribution while 24LC16BHT-E/OT uses Tape & Reel. Functional performance is equivalent.

Q: What is the advantage of 24AA16T-E/OT over the main part?

A: The 24AA16T-E/OT extends the minimum supply voltage to 1.7V, enabling operation in low-power applications where the main part's 2.5V minimum would be limiting. All other electrical parameters remain identical.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the SOT-23-5 package type with identical pinout configuration, enabling direct board-level substitution without layout modification.

Q: Do packaging format differences affect circuit performance?

A: No. Packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affects only component handling and distribution logistics. Electrical and mechanical performance remains unchanged.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All three parts carry RoHS3 compliance certification and REACH Unaffected status, meeting regulatory requirements for restricted substance content.

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