Microchip Technology 24VL024/P

Overview

24VL024/P from Microchip Technology Inc. is a 2 Kbit (256 × 8) I²C-compatible serial EEPROM optimized for ultra-low-voltage operation down to 1.5 V, featuring hardware write protection (WP pin), 16-byte page write buffer, and ≤1 μA standby current. It operates across -20°C to +85°C and supports up to eight devices on one bus via A0–A2 address inputs - used in battery-powered sensor nodes, portable medical devices, and industrial control configuration storage.

For engineers reviewing the 24VL024/P datasheet, 24VL024/P pinout, 24VL024/P application, or 24VL024/P equivalent, this page delivers verified electrical specs (1.5–3.6 V VCC, 400 kHz max clock), package mapping (8-pin PDIP), pin-level design meaning (e.g., WP enables full-array hardware lock), and real-world use context - all extracted from Microchip DS22130A.

Technical Context

The 24VL024/P implements a true I²C slave interface with Schmitt-triggered SDA/SCL inputs for noise immunity and internal slope control to suppress ground bounce. Its memory array is organized as a single 256-word block with auto-erase/write timing and an on-chip address pointer that increments during sequential reads.

Hardware write protection is implemented via the dedicated WP pin (tied to VCC for full-array lock), and device addressing uses three user-configurable chip-select bits (A0–A2) to support cascaded configurations of up to eight units - with strict 100/400 kHz timing compliance dependent on VCC voltage level.

Key Specifications

Pinout & Package

24VL024/P is supplied in 8-pin PDIP (Plastic Dual In-line Package), with 0.300-inch body width and through-hole mounting. Pin 1 is marked by laser dot; pin 1 identifier aligns with notch or beveled corner per JEDEC MS-001.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial EEPROM applications.

Compared with 24VL024/P, both alternatives offer higher VCC flexibility but sacrifice the critical 1.5 V operation and dedicated hardware write protection - making 24VL024/P uniquely suited for ultra-low-power, safety-critical configuration storage where supply headroom is minimal and write integrity is non-negotiable.

Availability

24VL024/P is available at Aetrix Electronics and suitable for smart energy meters, portable diagnostic devices, industrial PLC I/O modules, and automotive body control units requiring stable component supply across extended product lifecycles.

Supply support for 24VL024/P 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 microcontroller, analog, and Flash-IP solutions, headquartered in Chandler, Arizona, with global design and manufacturing operations.

The 24VL024/P belongs to Microchip's low-voltage serial EEPROM product line, engineered specifically for energy-harvesting, battery-operated, and wide-input-voltage industrial systems where reliability at the edge of supply specification is essential.

FAQ

What is the minimum operating voltage for the 24VL024/P?

The 24VL024/P operates down to 1.5 V DC, with full functionality including I²C communication, read/write operations, and hardware write protection. Below 1.8 V, maximum clock frequency is limited to 100 kHz per DS22130A specifications - enabling direct integration with primary lithium or alkaline batteries without regulation.

Does the 24VL024/P support page write operations, and what is the buffer size?

Yes, the 24VL024/P supports page write operations with a 16-byte on-chip buffer. This allows up to 16 contiguous bytes to be loaded into the buffer and written to memory in a single self-timed cycle (max 5 ms), significantly reducing I²C bus overhead compared to individual byte writes - confirmed in Section 6.2 of DS22130A.

How does the WP pin function on the 24VL024/P?

The WP (Write-Protect) pin on the 24VL024/P is a dedicated hardware lock: when tied to VCC, it disables all write operations to the entire 256-byte memory array (addresses 00h–FFh); when tied to VSS, writes are permitted. This feature is absent in the 24VL025 variant and is explicitly documented in Sections 2.4 and 6.3 of DS22130A.

What packages are available for the 24VL024/P, and is PDIP one of them?

The 24VL024/P is offered in 8-pin PDIP (Plastic Dual In-line Package), along with SOIC, TSSOP, TDFN, and MSOP variants - all sharing identical pinout and electrical behavior. The "/P" suffix in the part number explicitly denotes the PDIP package, as confirmed in the Device Selection Table on DS22130A-page 1.

Can multiple 24VL024/P devices share the same I²C bus, and how many?

Yes, up to eight 24VL024/P devices can be cascaded on a single I²C bus using the A0, A1, and A2 address pins to generate unique 3-bit chip-select codes. Each device responds only to its assigned address (1010xxxA), enabling up to 16 Kbit of contiguous EEPROM space - detailed in Section 5.0 and Figure 5-1 of DS22130A.