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onsemi CAT93C66YI-GT3 Microcontrollers

EEPROM Serial 4-Kb Microwire, TSSOP8, 4.4x3, 3000-REEL

588onsemiCAT93C8-TSSOP (0.173", 4.40mm Width)$1.17
CAT93C66YI-GT3 8-TSSOP (0.173", 4.40mm Width) package illustration

Same model may have multiple batches, images only for reference.

CAT93C66YI-GT3
Manufacturer
Part Number (MPN)
CAT93C66YI-GT3
Base Model
Detailed Description
EEPROM Serial 4-Kb Microwire, TSSOP8, 4.4x3, 3000-REEL
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Obsolete
Datasheet
PDF CAT93C66YI-GT3 Datasheet
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Ordering Code Family

CAT93C groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

4 ordering variants listed on the family page.

View all variants

Technical Specifications

onsemi CAT93C66YI-GT3 Microcontrollers technical specifications.

General

Interface
Serial-Microwire
Memory Size
4K
RoHS
Compliant
Number of Pins
8
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.5/3.3/5
Lifecycle Status
Obsolete
Automotive
No

Related Parts Comparison (CAT93C66YI-GT3 vs CAT93C46BVI-GT3 vs CAT93C46VI-TE13 vs CAT93C66VI)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case8-TSSOP8-SOICSOIC8-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2.5/3.3/51.8V ~ 5.5V5V2.5/3.3/5
Memory Size4K1Kb (128 x 8, 64 x 16)1Kb4K
InterfaceSerial-MicrowireEEPROMMICROWIRESerial-Microwire
RoHSCompliantYesYesCompliant
Lifecycle StatusObsoleteActiveObsoleteObsolete
Clock Frequency2 MHz4 MHz2 MHz2 MHz
Max Frequency24 MHz1MHz2
Memory FormatEEPROMEEPROMEEPROMEEPROM
Memory TypeNon-VolatileNon-VolatileNon-VolatileNon-Volatile
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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