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24LC01BT-I/LT

Name: 24LC01BT-I/LT
Rating: 4.7 (12 reviews)

IC EEPROM 1KBIT I2C SC70-5

製造商
製造商。部分 #24LC01BT-I/LT
包 5-TSSOP, SC-70-5, SOT-353
資料表 24LC01BT-I/LT DataSheet
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規格

Supplier	Microchip Technology
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	1Kb (128 x 8)
MemoryInterface	I²C
ClockFrequency	400 kHz
WriteCycleTime-WordPage	5ms
AccessTime	3.5 µs
Voltage-Supply	2.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	5-TSSOP, SC-70-5, SOT-353

概述

Description

24LC01BT-I/LT is a 1-Kbit (128 × 8) I2C serial EEPROM. It provides small, nonvolatile storage for microcontroller projects.
Key points:
- Interface and supply: I2C two-wire bus; Vcc 2.5–5.5 V; standard and fast mode (100/400 kHz).
- Memory and addressing: 128 bytes; byte or 8-byte page writes (page write up to 8 bytes).
- Device addressing: A0–A2 pins; base address 1010xxx (0x50–0x57 depending on pins).
- Operations: random read, current address read, byte/word writes; WP pin for hardware write protection.
- Durability and retention: ~1,000,000 write cycles; data retention ~100 years; write cycle up to ~5 ms.
- Package and variants: 8-pin package; suffixes -I (industrial temp range) and -LT (lead-free/RoHS, packaging). Check datasheet for exact conditions.
Typical uses: small config data, calibration constants, or tiny logs in microcontroller-based designs.

Features

Key features of 24LC01BT-I/LT (1 Kbit I2C EEPROM):
- 1 Kbit memory, organized as 128 x 8 bits
- I2C two-wire serial interface: standard mode (100 kHz) and fast mode (400 kHz)
- 3 hardware address pins (A0–A2) for up to 8 devices on the same bus
- 8-byte page write; supports random read and sequential reads
- Write cycle time typically around 5 ms
- Endurance: ~1,000,000 write cycles
- Data retention: up to ~100 years
- WP pin for hardware write-protection (full memory)
- Supply voltage: 2.7–5.5 V
- Temperature range: -40 °C to +85 °C
- Package options: 8-pin packages (PDIP, SOIC, etc.); LT indicates Tape & Reel packaging
These features suit small non-volatile storage needs in microcontroller systems with simple I2C interfaces.

Package

8‑pin SOIC (SOIC‑8) surface‑mount package; industrial temperature range (-40°C to 85°C), RoHS lead‑free, with Tape & Reel option (LT).

Pinout

- Pin count: 8 pins (PDIP-8/SOIC-8)
- Function: 1-kbit serial I2C EEPROM (128 x 8). Provides nonvolatile storage accessed via I2C two-wire bus. Includes hardware address pins A0–A2 for up to 8 devices on the bus and a WP (write-protect) pin. Typical Vcc range: ~2.5–5.5 V.

Manufacturer

- Manufacturer: Microchip Technology Inc.
- What kind of company: A United States–based semiconductor company that designs and manufactures embedded memory (I2C EEPROMs), microcontrollers, and analog/digital components for embedded systems.

Application

24LC01BT-I/LT is a 1 Kbit I2C serial EEPROM. Applications: storing calibration constants, configuration data, device IDs/serial numbers, license keys, and small logs in microcontroller/embedded systems. Suitable for consumer electronics, automotive, industrial equipment, instrumentation, sensors, and home appliances where nonvolatile memory with a simple 2‑wire interface is needed. Use for firmware/boot flags, user preferences, and product data that must persist across power cycles.

Equivalent

Equivalent parts (1 Kbit I2C EEPROM):
- 24AA01/24LC01 (Microchip)
- AT24C01B/AT24C01C (Atmel/Microchip)
- M24C01-W (STMicroelectronics)
- CAT24C01 (ON Semiconductor)
- 24C01 (NXP, older equivalents)
Note: compatibility depends on timing, voltage, and package; always verify datasheets for exact pinout and specs.