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Microchip Technology 93LC46A-I/P — Memory (DRAM / SRAM / Flash / EEPROM)

Microchip 93LC46A-I/P 1Kbit EEPROM, Microwire, 2 MHz, 8-DIP

MPN93LC46A-I/P
Active

Microchip 93LC46A-I/P, 1Kbit serial EEPROM, Microwire interface, 2 MHz clock, 2.5V–5.5V supply, 128 x 8 organization, 6 ms write cycle, -40°C to 85°C, 8-DIP through-hole package.

$0.3900Ref. price · indicative, final on quote
Microchip Technology 93LC46A-I/P datasheet (PDF)
Packaging8-DIP (0.300", 7.62mm)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

93LC46A-I/P specifications
ParameterValue
Memory typeNon-Volatile
MountingThrough Hole
Voltage2.5V ~ 5.5V
Frequency2 MHz
Memory interfaceMicrowire
Operating temperature-40°C~85°C(TA)
PackageTube
TechnologyEEPROM
Memory size1Kbit
Memory formatEEPROM
Case8-DIP (0.300\", 7.62mm)
Memory organization128 x 8
Write cycle time - word, page6ms

Product details

1Kbit serial EEPROM in a through-hole DIP

The Microchip 93LC46A-I/P is a 1Kbit serial EEPROM with a Microwire interface, organized as 128 x 8 bits. The 2 MHz clock rate supports fast read and write operations for calibration data, configuration tables, or small parameter logs in industrial controllers, telecom modules, and embedded systems.

Industrial temperature and DIP package — a rework-friendly choice

No fine-pitch alignment, no moisture sensitivity level to track; just drop it in and solder.

For surface-mount variants, the same die is available in SOIC and SOT-23 packages (93LC46A-I/ST and 93LC46AT-E/OT) if your next board revision moves to SMT.

Frequently asked questions

Can the 93LC46A-I/P replace the 93LC46B-I/P?

The 93LC46A and 93LC46B differ in the write-protect logic and the ORG pin configuration. The A version (this part) uses the ORG pin to select 8-bit or 16-bit organization; the B version has a fixed organization. Check your firmware's write-protect scheme and ORG pin handling before substituting — the pinout is the same, but the control logic differs.