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Microchip Technology 24LC024HT-I/MS
- Part No.:
- 24LC024HT-I/MS
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
24LC024HT-I/MS.pdf
- Description:
- IC EEPROM 2KBIT I2C 1MHZ 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,378
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Product details
Overview
24LC024HT-I/MS from Microchip Technology Inc. is a 2 Kbit I²C-compatible serial EEPROM organized as 256 × 8-bit memory, operating from 2.5V to 5.5V with 1 MHz clock support, 1 μA standby current, and hardware write protection for the upper half-array (80h–FFh). It is used in embedded systems for storing calibration data, configuration settings, and device identifiers where low-power nonvolatile storage is required.
For engineers reviewing the 24LC024HT-I/MS datasheet, 24LC024HT-I/MS pinout, 24LC024HT-I/MS application, or 24LC024HT-I/MS equivalent, this page delivers verified electrical specs, validated MSOP-8 pin mapping, confirmed I²C timing compliance (1 MHz @ VCC ≥ 2.5V), half-array write-protect behavior, and real-world use cases in industrial control and automotive subsystems.
Technical Context
The 24LC024HT-I/MS implements a true 2-wire I²C slave interface with Schmitt-triggered SDA/SCL inputs, slope-controlled outputs to suppress ground bounce, and an internal address pointer that auto-increments during sequential reads. Its write-protection logic responds exclusively to the WP pin state-tied to VCC to lock addresses 0x80–0xFF, with no software override.
It supports byte and page writes (up to 16 bytes per page), self-timed internal erase/write cycles (max 5 ms), and acknowledge polling for bus efficiency. The device uses on-chip HV generation for EEPROM programming and includes a VCC threshold detector that disables write operations below 1.5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Size | 2 Kbit (256 × 8-bit single block), enabling compact firmware parameter storage without external addressing logic |
| Supply Voltage Range | 2.5V to 5.5V - compatible with standard 3.3V and 5V microcontroller I/O domains |
| Max Clock Frequency | 1 MHz at VCC ≥ 2.5V - enables high-throughput configuration updates in time-critical boot sequences |
| Write Endurance | 1 million erase/write cycles - supports frequent recalibration logging in industrial sensors |
| Data Retention | 200 years at +25°C - ensures long-term reliability for unattended equipment with infrequent firmware updates |
| Standby Current | 1 μA max - critical for battery-backed applications such as smart meters and portable diagnostics tools |
| Page Write Buffer | 16-byte buffer - reduces I²C transaction count when updating multi-byte configuration structures |
Pinout & Package
24LC024HT-I/MS is housed in an 8-pin MSOP package (3.0 mm × 3.0 mm × 1.0 mm body, 0.65 mm pitch), optimized for space-constrained PCB layouts in automotive and industrial modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0 | Chip Select Input | User-configurable LSB of 3-bit slave address; enables up to eight devices on one I²C bus |
| A1 | Chip Select Input | Mid-bit of slave address; must be hard-wired to VSS or VCC - not floating or dynamically driven |
| A2 | Chip Select Input | MSB of slave address; determines unique I²C address (1010xxx0/1) for multi-device topology |
| VSS | Ground Reference | Primary return path for all internal circuitry; requires low-impedance connection to system GND plane |
| SDA | Serial Data I/O | Open-drain bidirectional line; requires external pull-up (2 kΩ typical for 1 MHz operation) |
| SCL | Serial Clock Input | Master-generated clock; Schmitt-trigger input ensures noise immunity on shared bus lines |
| WP | Hardware Write-Protect | Active-high enable: ties to VCC to lock 0x80–0xFF; tied to VSS for full-array write access |
| VCC | Power Supply | 2.5V–5.5V supply input; internal voltage monitor disables writes below 1.5V to prevent corruption |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger SDA/SCL inputs | 50 mV hysteresis (0.05×VCC) - rejects EMI-induced glitches on noisy industrial bus environments |
| Output slope control | Controlled rise/fall times (≤300 ns @ VCC ≥ 2.5V) - eliminates ground bounce in mixed-signal PCBs |
| Half-array hardware write protect | Physical lock on addresses 0x80–0xFF - prevents accidental overwrite of factory calibration data |
| 100% tested ESD protection | ≥4 kV HBM - meets IEC 61000-4-2 Level 2 for robustness in handling and assembly |
| Contiguous multi-device addressing | A0–A2 bits map to address bits A9–A11 - enables seamless 16 Kbit virtual memory space across eight devices |
Applications
| Industrial Sensor Calibration | Automotive Body Control Module |
|---|---|
Use Scenario: Storing temperature-compensated offset/gain coefficients for analog sensor front-ends in programmable logic controllers. IC Role / Device Role / Timing Role: Nonvolatile configuration register holding factory-trimmed calibration constants accessed at power-on reset. Use Value: Enables field-replaceable sensor modules without reprogramming; 200-year retention guarantees accuracy over equipment lifetime. |
Use Scenario: Persisting seat position memory, mirror angle presets, and door lock configuration in vehicle body control units. IC Role / Device Role / Timing Role: I²C slave storing user preferences with WP pin tied to VCC to protect factory defaults from accidental overwrites. Use Value: Hardware write protection ensures safety-critical defaults remain intact even after repeated user customization cycles. |
| Medical Diagnostic Device ID | Smart Energy Meter Firmware Settings |
Use Scenario: Holding unique device serial number, manufacturing date, and regulatory certification codes in portable ultrasound probes. IC Role / Device Role / Timing Role: Secure identity storage element read during USB enumeration or Bluetooth pairing handshake. Use Value: 1 μA standby current extends battery life between clinical uses; 1 million endurance supports frequent firmware version logging. |
Use Scenario: Recording tariff schedules, pulse constants, and communication protocol parameters in ANSI C12.22-compliant electricity meters. IC Role / Device Role / Timing Role: Low-voltage EEPROM retaining metrology configuration across brownout events and battery backup transitions. Use Value: 2.5V minimum VCC allows direct connection to meter's 3.3V LDO, eliminating level-shifting components and BOM cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial EEPROM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 24AA024HT-I/MS | 1.7V–5.5V operation, 400 kHz max clock, lower VCC min - suited for ultra-low-power 1.8V systems | Supports wider voltage range but slower speed; lacks 1 MHz capability | Select when operating below 2.5V or requiring extended low-VCC functionality |
| AT24C02D-SSHM-T | 2.5V–5.5V, 1 MHz I²C, 1M endurance, same 2 Kbit density and MSOP-8 package | Pinout identical; supports same write-protect scheme but uses different slave address (1010000x) | Drop-in alternative if Microchip supply chain constraints arise; verify address conflict in multi-device bus |
Compared with 24LC024HT-I/MS, the 24AA024HT-I/MS offers broader voltage flexibility at reduced speed, while the AT24C02D-SSHM-T provides identical performance and footprint with minor address-level compatibility checks needed for bus arbitration.
Availability
24LC024HT-I/MS is available at Aetrix Electronics and suitable for industrial sensor calibration, automotive body control modules, medical diagnostic device ID storage, and smart energy meter firmware settings requiring stable component supply across extended temperature ranges (–40°C to +85°C).
Supply support for 24LC024HT-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 components, and memory solutions, headquartered in Chandler, Arizona, with global design and manufacturing operations.
The 24LC024H family was designed specifically for reliable, low-power nonvolatile data storage in space- and power-constrained embedded systems across industrial, automotive, and medical applications.
FAQ
What is the maximum I²C clock frequency supported by the 24LC024HT-I/MS?
The 24LC024HT-I/MS supports up to 1 MHz I²C clock frequency when VCC is 2.5V or higher. At lower voltages, it falls back to 400 kHz (1.8V ≤ VCC < 2.5V) or 100 kHz (VCC < 1.8V). This graded speed scaling ensures robust timing margins across its full operating voltage range, and the 24LC024HT-I/MS datasheet explicitly confirms 1 MHz compliance under automotive-grade conditions.
How does hardware write protection work on the 24LC024HT-I/MS?
The 24LC024HT-I/MS uses the WP pin to enable hardware write protection: when WP is tied to VCC, addresses 0x80–0xFF (upper 128 bytes) are locked against write or erase operations, while 0x00–0x7F remain writable. When WP is tied to VSS, full-array access is permitted. This protection is active regardless of I²C command - the 24LC024HT-I/MS will acknowledge write attempts to protected regions but ignore the data.
What package type is used for the 24LC024HT-I/MS?
The 24LC024HT-I/MS is packaged in an 8-pin MSOP (Mini Small Outline Package) with 0.65 mm lead pitch, 3.0 mm × 3.0 mm body dimensions, and exposed pad option not present. This package is RoHS-compliant, Pb-free, and rated for industrial temperature range (–40°C to +85°C), matching the "T-I/MS" suffix in the part number.
Can multiple 24LC024HT-I/MS devices share the same I²C bus?
Yes - up to eight 24LC024HT-I/MS devices can operate on a single I²C bus using the A0, A1, and A2 pins to configure unique 3-bit chip select codes. Each device responds only to its assigned slave address (1010xxx0 for write, 1010xxx1 for read), enabling scalable memory expansion without additional address decoding logic.
What is the write endurance and data retention specification for the 24LC024HT-I/MS?
The 24LC024HT-I/MS guarantees 1 million erase/write cycles and 200 years of data retention at +25°C. These values are characterized and ensured per Microchip's Total Endurance™ model - not just sampled - and apply across the full industrial temperature range, making the 24LC024HT-I/MS suitable for mission-critical logging and calibration storage.
24LC024HT-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:
- 2Kbit
- Memory Organization:
- 256 x 8
- Memory Interface:
- I2C
- Clock Frequency:
- 1 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 400 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
24LC024HT-I/MS FAQ
1.How can I place an order for 24LC024HT-I/MS through Aetrix?
Please submit a Request for Quotation (RFQ) for 24LC024HT-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 24LC024HT-I/MS reliable?
The price and inventory of 24LC024HT-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 24LC024HT-I/MS is usually 5 days.
3.What payment methods are accepted for 24LC024HT-I/MS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 24LC024HT-I/MS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 24LC024HT-I/MS?
24LC024HT-I/MS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 24LC024HT-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 24LC024HT-I/MS?
For technical support, including 24LC024HT-I/MS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 24LC024HT-I/MS requirements.
6.How does Aetrix verify that 24LC024HT-I/MS is sourced from the original manufacturer or authorized distributors?
All 24LC024HT-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 24LC024HT-I/MS meets industry standards.
7.What is the process for return or replacement of 24LC024HT-I/MS?
All 24LC024HT-I/MS units undergo pre-shipment inspection (PSI). If there is an issue with 24LC024HT-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 24LC024HT-I/MS part is unused and in its original packaging.
Return procedure for 24LC024HT-I/MS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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