الصفحة الرئيسية > الدوائر المتكاملة الدوائر المتكاملة > CAT24C512WI-GT3

CAT24C512WI-GT3

512Kb I2C EEPROM, 1MHz, 128B page, ECC, 1M cycles, 100yr retention, SOIC-8

8960

المخزون الفعال

انتقل إلى الاستفسار

Image for reference only

جزء الشركة المصنعة ： جزء الشركة المصنعة

CAT24C512WI-GT3

الحزمة ： الحزمة

SOIC-8 (5.00 x 5.85 x 1.75 mm)

الوصف

نظرة عامة على المنتج

The CAT24C512WI-GT3 from onsemi is a 512-Kb (64K x 8) I2C serial EEPROM with 128-byte page write buffer, on-chip ECC, and support for Standard (100kHz), Fast (400kHz), and Fast-Plus (1MHz) I2C protocols in an SOIC-8 package.

المواصفات الرئيسية

Memory Size	512 Kbit (64K x 8)
الواجهة	I2C (100kHz / 400kHz / 1MHz)
Page Write Buffer	128 bytes
Write Cycle Time	5 ms
Write Endurance	1,000,000 cycles
الاحتفاظ بالبيانات	100 years
جهد الإمداد	1.8 V to 5.5 V
التيار الاحتياطي	2 uA max
Active Current	1 mA max (read)
On-Chip ECC	Yes
Hardware Write Protect	Yes (WP pin, entire memory)
Address Pins	3 (up to 8 devices on bus)
درجة حرارة التشغيل	-40 درجة مئوية إلى +85 درجة مئوية
الحزمة	SOIC-8

الميزات

512Kbit I2C EEPROM with 128-byte page write for efficient data storage
Supports Standard, Fast, and Fast-Plus I2C modes up to 1MHz
On-chip ECC (Error Correction Code) for high-reliability applications
1 million write cycle endurance and 100-year data retention
Hardware write protection and Schmitt trigger inputs for noise immunity

التطبيقات

Configuration and calibration data storage in industrial systems
Firmware parameter and user setting storage in consumer electronics
High-reliability data logging with on-chip ECC protection

مقدمة المنتج:CAT24C512WI-GT3 مقدمة المنتج

The CAT24C512WI-GT3 from onsemi is a 512-Kb serial I2C EEPROM internally organized as 65,536 words of 8 bits each. The device supports Standard (100kHz), Fast (400kHz), and Fast-Plus (1MHz) I2C protocols for flexible system integration. The 128-byte page write buffer enables efficient writing of large data blocks. On-chip ECC (Error Correction Code) provides single-bit error correction, making the device suitable for high-reliability applications where data integrity is critical. The hardware write protect (WP) pin protects the entire memory array when driven high. Schmitt trigger inputs and noise suppression filters on the SCL and SDA pins provide robust noise immunity in electrically harsh environments. Three address pins (A0, A1, A2) allow up to eight CAT24C512 devices to share the same I2C bus. The device features 1 million program/erase cycle endurance and 100-year data retention.

مبدأ العمل:CAT24C512WI-GT3 مبدأ العمل

The CAT24C512WI-GT3 is a serial I2C EEPROM using floating-gate NMOS technology. (1) I2C Interface: The device communicates via a 2-wire I2C bus. The master initiates communication by sending a start condition followed by the 7-bit device address (1010xxx) and read/write bit. The 17-bit word address (A16-A0) specifies the memory location. (2) Write Operation: In page write mode, up to 128 bytes can be written in a single operation. Data is first written to the page buffer, then the internal write cycle programs the non-volatile memory cells within 5ms. The ECC engine calculates and stores error correction bits alongside each data word. (3) Read Operation: Sequential read mode allows reading the entire 512Kbit memory in a continuous stream by sending ACK after each byte. The access time is 400ns maximum at 1MHz. (4) ECC: The on-chip ECC engine corrects single-bit errors during read operations, significantly improving data reliability over the device lifetime. (5) Write Protect: When WP is high, all write operations are inhibited, protecting the entire memory from accidental modification.

وصف الدبوس:CAT24C512WI-GT3 تعريف الدبوس ووظائفه

دبوس	الاسم	الوظيفة
1	A0	Address input 0
2	A1	Address input 1
3	A2	Address input 2
4	VSS	أرضي
5	SDA	Serial data I/O
6	SCL	Serial clock input
7	WP	Write protect (high=protect)
8	VCC	Supply voltage (1.8-5.5V)

Application Scenarios:In which products and applications isCAT24C512WI-GT3 مستعمل

Configuration and calibration data storage with ECC protection in industrial systems
User settings and firmware parameter storage in consumer electronics
High-reliability data logging with 1M cycle endurance and 100yr retention

Alternative Models:What chips are recommended as replacements for CAT24C512WI-GT3

الشركة المصنعة	رقم الجزء	الحزمة	الملاحظات
أونسمي	CAT24C512YI-GT3	TSSOP-8	TSSOP package version
الرقاقة الدقيقة	AT24C512C-SSHL-T	SOIC-8	512Kb, I2C, 1MHz
ST	M24256-DFMC6TG	SOIC-8	256Kb, similar