ProjectsPricingInsights

Best Alternatives to AT24C64

Package: SOP-8IDCHIPEEPROMMemory Size: 64 KbitOrganization: 8192 x 8 bitsInterface: I2C (2-Wire)Operating Voltage: 1.8 V to 5.5 VClock Frequency: 1 MHz (5V), 400 kHz (1.8V-2.7V)

AT24C64 is a 64Kbit I2C EEPROM in SOP-8. Current candidates do not show a verified pin-compatible replacement.

AI replacement insight

Electrical riskmedium

voltage matches kept parts

Package riskmedium

SOP-8 listed, dims unknown

Firmware riskhigh

capacity/addressing differ

Sourcing risklow

kept parts are indexed

Can it be replaced directly?

No verified pin-compatible candidate is present in this set.

Best replacement path

Prefer an exact 64Kbit I2C SOP-8 EEPROM; otherwise review ZD24C512A as a larger functional option.

Main risk

Pinout and I2C addressing are not verified.

Recommended alternatives

2
ZD24C512A-SSGMB package
Needs validationmedium risk

ZD24C512A may serve as a larger I2C EEPROM alternative after pinout and firmware review.

View details

Alternative comparison matrix

Feature / factorAT24C64ZD24C512A-SSGMBZD24C1MA-SSGMBAlt 3Compatibility / risk
PackageSOP-8SOP-8SOP-8SOP-8 — same catalog pkg; ZD24C1MA-SSGMB: pkg listed
PinoutAT24C64 pinsnot providednot providednot provided — no pin map; ZD24C1MA-SSGMB: no pin map
Voltage1.8-5.5V1.7-5.5V1.7-5.5V1.7-5.5V — range covers; ZD24C1MA-SSGMB: range covers
InterfaceI2CI2CI2CI2C — same bus; ZD24C1MA-SSGMB: same bus
Application64Kbit EEPROM512Kbit EEPROM1Mbit EEPROM512Kbit EEPROM / 1Mbit EEPROM — firmware impact; ZD24C1MA-SSGMB: firmware impact

Application & sourcing insights

Questions & answers

From this set, ZD24C512A-SSGMB is the closest functional option, but it is not verified as a direct replacement.