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Microchip Technology 24LC16BT-I/MS
- Part No.:
- 24LC16BT-I/MS
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
24LC16BT-I/MS.pdf
- Description:
- IC EEPROM 16KBIT I2C 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,137
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Product details
Overview
24LC16BT-I/MS from Microchip Technology Inc. is a 16-Kbit I²C-compatible serial EEPROM organized as eight 256 × 8-bit memory blocks, operating from 2.5V to 5.5V with 400 kHz max clock frequency, 1 μA standby current (I-temp), and hardware write-protection via the WP pin. It is used in embedded systems for storing calibration data, configuration settings, and firmware parameters.
For engineers reviewing the 24LC16BT-I/MS datasheet, 24LC16BT-I/MS pinout, 24LC16BT-I/MS application, or 24LC16BT-I/MS equivalent, this page delivers verified electrical specs, package mapping to MSOP-8, I²C timing compliance at 400 kHz (2.5–5.5V), industrial temperature range (-40°C to +85°C), and real-world noise suppression features including Schmitt-trigger inputs and slope-controlled outputs.
Technical Context
The 24LC16BT-I/MS functions as an I²C slave device with fixed 7-bit slave address prefix '1010' and three block-select bits (B2–B0), supporting byte and 16-byte page writes. Its internal Address Pointer auto-increments during sequential reads and resets on each new address command.
It implements acknowledge polling to detect write-cycle completion, uses open-drain SDA/SCL with external pull-ups, and enforces strict bus protocol adherence-including Start/Stop condition generation, data stability during SCL high, and noise-immune input filtering (50 ns spike suppression).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 16 Kbit (2048 × 8), organized as eight 256-word blocks - enables modular data partitioning and selective block access. |
| VCC Range | 2.5V to 5.5V - compatible with standard 3.3V and 5V logic domains without level shifting. |
| Max Clock Frequency | 400 kHz at VCC ≥ 2.5V - supports high-speed I²C communication while maintaining timing margin in industrial environments. |
| Write Cycle Time | 5 ms maximum (byte or page) - defines minimum inter-write interval; page write buffers up to 16 bytes to reduce bus occupancy. |
| Endurance | 1,000,000 erase/write cycles - ensures long-term reliability in frequently updated parameter storage applications. |
| Data Retention | Greater than 200 years - guarantees nonvolatile data integrity across product lifecycle without refresh. |
| ESD Protection | >4,000V HBM - provides robust handling immunity during assembly and field service. |
Pinout & Package
24LC16BT-I/MS is packaged in an 8-lead MSOP (Micro Small Outline Package) with 0.65 mm pitch, body size 3.0 × 3.0 mm, and exposed pad option (not electrically connected). Pin 1 is marked by a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSS | Ground reference | Return path for all internal circuitry; must be low-impedance connection to system ground plane. |
| WP | Hardware write-protect input | Logic-high disables all write operations (000h–7FFh); tied to VSS for full read/write access. |
| SCL | Serial clock input | Open-drain input synchronized to master clock; requires external pull-up resistor (2 kΩ typical for 400 kHz). |
| SDA | Serial data I/O | Bidirectional open-drain line shared across I²C bus; requires same pull-up as SCL and supports multi-master arbitration. |
| VCC | Power supply | Supplies core EEPROM array and interface logic; bypass capacitor (100 nF) recommended near pin. |
| A0, A1, A2 | No-connect terminals | Internally unconnected; may be left floating, tied to VSS, or tied to VCC - no effect on operation. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Input hysteresis ≥0.05×VCC - rejects sub-50 ns noise spikes on SDA/SCL lines in electrically noisy industrial environments. |
| Output slope control | Controlled rise/fall times (TR/TF ≤300 ns at 5V) - eliminates ground bounce and EMI during signal transitions. |
| Page write buffer | 16-byte on-chip latch - reduces I²C bus occupation time by up to 16× versus byte-by-byte writes. |
| Hardware write protection | Dedicated WP pin with VCC/VSS logic-level enable - prevents accidental overwrites without software intervention or firmware changes. |
| I²C compatibility | Fully compliant with Philips I²C-bus specification (100/400 kHz modes) - interoperable with standard microcontroller I²C peripherals. |
Applications
| Industrial Sensor Calibration | Consumer Appliance Configuration |
|---|---|
|
Use Scenario: Storing factory-calibrated sensor offset/gain coefficients and temperature compensation tables in HVAC controllers and pressure transmitters. IC Role / Device Role / Timing Role: Nonvolatile configuration store accessed during power-up initialization and runtime correction routines via I²C. Use Value: Enables plug-and-play sensor replacement with zero recalibration; retains accuracy across 200+ year data retention window. |
Use Scenario: Saving user preferences (e.g., cooking mode, timer settings, display brightness) in microwave ovens and washing machines. IC Role / Device Role / Timing Role: Low-power I²C slave that retains state across AC power cycles and brown-out events. Use Value: Achieves <1 μA standby current during sleep mode, extending battery backup life in smart appliance UI modules. |
| Medical Device Settings | Automotive Body Control Module |
|
Use Scenario: Recording operational history, alarm thresholds, and clinician-configured therapy parameters in portable infusion pumps. IC Role / Device Role / Timing Role: AEC-Q100 qualified EEPROM used for audit-trail logging and regulatory-compliant data persistence. Use Value: Meets IEC 62304 Class C software requirements with 1M endurance cycles and >200-year data retention. |
Use Scenario: Storing door lock programming, mirror position memory, and lighting profiles in vehicle BCMs. IC Role / Device Role / Timing Role: Industrial-grade serial EEPROM interfaced to 8-bit/16-bit automotive MCUs over I²C at 125°C ambient. Use Value: Supports extended temperature range (-40°C to +85°C) and withstands automotive ESD transients (>4 kV HBM). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 24AA16T-I/MS | Wider VCC range (1.7–5.5V); lower 100 kHz max clock below 2.5V; identical pinout and memory map. | Preferred for battery-powered systems operating down to 1.7V; not rated for 400 kHz at low voltage. | Select 24AA16T-I/MS when supply voltage may dip below 2.5V; otherwise 24LC16BT-I/MS offers higher speed at stable 3.3V/5V rails. |
| AT24C16C-MAHM-T | Same 16-Kbit capacity, 400 kHz, MSOP-8 package; different slave address (1010xxx); 1M endurance; RoHS-compliant. | Drop-in alternative with identical timing and footprint but requires address verification in multi-device I²C systems. | Choose AT24C16C-MAHM-T if sourcing diversification is required and slave address conflict is resolved in firmware. |
Compared with 24AA16T-I/MS, the 24LC16BT-I/MS trades low-voltage operation for guaranteed 400 kHz performance across its full 2.5–5.5V range; versus AT24C16C-MAHM-T, it offers identical speed and package but differs in I²C address structure and manufacturer-specific reliability testing protocols.
Availability
24LC16BT-I/MS is available at Aetrix Electronics and suitable for industrial sensor calibration, consumer appliance configuration, medical device settings, and automotive body control modules requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for 24LC16BT-I/MS includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology Inc. is a leading provider of microcontrollers, analog devices, and memory solutions, headquartered in Chandler, Arizona, with global design and manufacturing operations.
The 24LC16B series was designed specifically for cost-sensitive, space-constrained embedded systems requiring reliable, low-power nonvolatile storage with industrial temperature tolerance and I²C simplicity.
FAQ
What is the maximum I²C clock frequency supported by the 24LC16BT-I/MS?
The 24LC16BT-I/MS supports a maximum clock frequency of 400 kHz when operated within its specified VCC range of 2.5V to 5.5V. This is confirmed in the Device Selection Table and AC Characteristics section of the official Microchip datasheet DS20001703M. Frequencies above 400 kHz are not supported - the 24FC16 variant is required for 1 MHz operation.
Does the 24LC16BT-I/MS require external pull-up resistors on SDA and SCL lines?
Yes, the 24LC16BT-I/MS requires external pull-up resistors on both SDA and SCL lines because these pins are open-drain. For 400 kHz operation, a 2 kΩ pull-up to VCC is recommended per the datasheet. The value balances rise time, bus capacitance, and drive strength - omitting pull-ups will prevent proper I²C communication.
Can the A0, A1, and A2 pins of the 24LC16BT-I/MS be left unconnected?
Yes, the A0, A1, and A2 pins of the 24LC16BT-I/MS are explicitly stated as "not connected" in the Pin Function Table (DS20001703M, page 7). They have no internal connection and may be left floating, tied to VSS, or tied to VCC - none of these configurations affect device functionality or addressing.
How does hardware write-protection work on the 24LC16BT-I/MS?
Hardware write-protection on the 24LC16BT-I/MS is controlled by the WP pin: when tied to VCC, all write operations (including byte and page writes) to the entire memory array (000h–7FFh) are inhibited, while read operations remain fully functional. When WP is tied to VSS, normal read/write access is enabled. No software command is needed to activate this feature.
What is the endurance rating and data retention period for the 24LC16BT-I/MS?
The 24LC16BT-I/MS is rated for more than 1,000,000 erase/write cycles and guarantees data retention exceeding 200 years under normal operating conditions (25°C, 5.5V). These values are specified in the Features section and Electrical Characteristics table of DS20001703M and apply directly to the 24LC16B family, including the 24LC16BT-I/MS variant.
24LC16BT-I/MS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- EEPROM
- Technology:
- EEPROM
- Memory Size:
- 16Kbit
- Memory Organization:
- 2K x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 400 kHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 900 ns
- Voltage - Supply:
- 2.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
24LC16BT-I/MS FAQ
1.How can I place an order for 24LC16BT-I/MS through Aetrix?
Please submit a Request for Quotation (RFQ) for 24LC16BT-I/MS on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 24LC16BT-I/MS reliable?
The price and inventory of 24LC16BT-I/MS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 24LC16BT-I/MS is usually 5 days.
3.What payment methods are accepted for 24LC16BT-I/MS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 24LC16BT-I/MS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 24LC16BT-I/MS?
24LC16BT-I/MS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 24LC16BT-I/MS order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 24LC16BT-I/MS?
For technical support, including 24LC16BT-I/MS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 24LC16BT-I/MS requirements.
6.How does Aetrix verify that 24LC16BT-I/MS is sourced from the original manufacturer or authorized distributors?
All 24LC16BT-I/MS products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 24LC16BT-I/MS meets industry standards.
7.What is the process for return or replacement of 24LC16BT-I/MS?
All 24LC16BT-I/MS units undergo pre-shipment inspection (PSI). If there is an issue with 24LC16BT-I/MS, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 24LC16BT-I/MS part is unused and in its original packaging.
Return procedure for 24LC16BT-I/MS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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