onsemi · EEPROM
CAT24WC66WI-GT3
onsemi EEPROM · SOIC-8
Part-number family from Catalyst Semiconductor (now onsemi, 2008). Older stock may carry Catalyst Semiconductor markings.
Request a quote for CAT24WC66WI-GT3The CAT24WC66WI-GT3 is an EEPROM from onsemi, supplied in a SOIC-8 package. It is listed in our EEPROM catalog (Memory).
Key specifications of the CAT24WC66WI-GT3: memory size 64Kbit, interface I2C, clock frequency 400kHz, voltage - supply 1.8V~5.5V, operating current 3mA and operating temperature -40°C~+85°C.
PartnerSemi sources the CAT24WC66WI-GT3 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.
Specifications
| Manufacturer part number | CAT24WC66WI-GT3 |
|---|---|
| Manufacturer | onsemi |
| Heritage brand (part family) | Catalyst Semiconductor |
| Product type | EEPROM |
| Category | EEPROM |
| Package / case | SOIC-8 |
| Access Time | 3.5us, 1us |
| Clock Frequency | 400kHz |
| Data Retention - TDR (Year) | 100 Years |
| Interface | I2C |
| Memory Size | 64Kbit |
| Operating Current | 3mA |
| Operating Temperature | -40°C~+85°C |
| Standby Current | 1uA |
| Voltage - Supply | 1.8V~5.5V |
| Write Cycle Endurance | 1,000,000 cycles |
| Write Cycle Time(Tw) | 10ms |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
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Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| CAT24WC04W | Catalyst Semiconductor | EEPROM | |
| CAT24WC32L | Catalyst Semiconductor | EEPROM | |
| CAT24WC128W | Catalyst Semiconductor | EEPROM | |
| CAT24WC16LI | Catalyst Semiconductor | EEPROM | |
| CAT24WC128WI | Catalyst Semiconductor | EEPROM | |
| CAT24WC66WI-1.8 | Catalyst Semiconductor | EEPROM | |
| CAT24WC04W-TE13 | Catalyst Semiconductor | EEPROM | |
| CAT24WC66JI-TE13 | Catalyst Semiconductor | EEPROM |
Frequently asked questions
What is the CAT24WC66WI-GT3?
The CAT24WC66WI-GT3 is an EEPROM from onsemi, supplied in a SOIC-8 package. It is listed in our EEPROM catalog (Memory).
What are the specifications of the CAT24WC66WI-GT3?
Access Time: 3.5us, 1us; Clock Frequency: 400kHz; Data Retention - TDR (Year): 100 Years; Interface: I2C; Memory Size: 64Kbit; Operating Current: 3mA; Operating Temperature: -40°C~+85°C; Standby Current: 1uA; Voltage - Supply: 1.8V~5.5V; Write Cycle Endurance: 1,000,000 cycles; Write Cycle Time(Tw): 10ms.
What package is the CAT24WC66WI-GT3 in?
The CAT24WC66WI-GT3 is listed in a SOIC-8 package.
Which part numbers are similar to the CAT24WC66WI-GT3?
Similar part numbers in our catalog include CAT24WC04W (Catalyst Semiconductor), CAT24WC32L (Catalyst Semiconductor), CAT24WC128W (Catalyst Semiconductor), CAT24WC16LI (Catalyst Semiconductor), CAT24WC128WI (Catalyst Semiconductor) and CAT24WC66WI-1.8 (Catalyst Semiconductor). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the CAT24WC66WI-GT3?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=CAT24WC66WI-GT3&brand=onsemi or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.