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93LC56C

Microwire Serial EEPROM

The 93LC56C is a microwire serial eeprom from Microchip Technology. View the full 93LC56C datasheet below including key specifications.

93LC56C shares its datasheet with 93LC56B, whose page lists every part number it covers.

Official 93LC56C datasheet (PDF) — the source this page was extracted from.

93LC56C Key Specifications

ParameterValue
Endurance1,000,000 erase/write cycles
Interface3-wire Microwire
Memory Size2 Kbit
Organization256 x 8-bit or 128 x 16-bit (selectable via ORG pin)
Write Current2 mA max (FCLK = 3 MHz, VCC = 5.5V)
Data Retention>200 years
ESD Protection>= 4 kV
Supply Voltage2.5V to 5.5V
Pin Capacitance7 pF max
Input Leakage Current±1 µA max
Operating Temperature-40°C to +85°C (Industrial), -40°C to +125°C (Automotive)
Output Leakage Current±1 µA max

93LC56C Overview

Part: 93LC56B — Microchip Technology

Type: 2 Kbit Microwire Serial EEPROM

Description: 2.5 V to 5.5 V, 2 Kbit (128 x 16-bit) 3-wire serial EEPROM with up to 3 MHz clock frequency and low-power CMOS technology.

Operating Conditions:

  • Supply voltage: 2.5 V to 5.5 V
  • Operating temperature: -40 °C to +85 °C (Industrial)
  • Clock frequency: Up to 3 MHz (4.5 V ≤ VCC < 5.5 V), up to 2 MHz (2.5 V ≤ VCC < 4.5 V)

Absolute Maximum Ratings:

  • Max supply voltage: 7.0 V
  • Voltage on all inputs and outputs w.r.t. VSS: -0.6 V to VCC + 1.0 V
  • Storage temperature: -65 °C to +150 °C
  • Ambient temperature with power applied: -40 °C to +125 °C
  • ESD protection on all pins: ≥ 4 kV

Key Specs:

  • Memory organization: 128 x 16 bits
  • Write supply current (ICC write): 2 mA (max, FCLK = 3 MHz, VCC = 5.5 V)
  • Read supply current (ICC read): 1 mA (max, FCLK = 3 MHz, VCC = 5.5 V); 500 μA (max, FCLK = 2 MHz, VCC = 3.0 V)
  • Standby current (ICCS): 1 μA (max, Industrial temperature, CLK = CS = 0 V)
  • Program cycle time (TWC): 6 ms (max, Erase/Write mode)
  • Endurance: 1,000,000 Erase/Write cycles (min, 25 °C, VCC = 5.0 V)
  • Data retention: 200 years
  • Clock frequency: 3 MHz (max, 4.5 V ≤ VCC < 5.5 V)

Features:

  • Low-power CMOS technology
  • 3-wire serial interface
  • Self-timed Erase/Write cycles including auto-erase (ERAL) during write all (WRAL)
  • Automatic write disable during power-up / power-down
  • Ready/Busy status indication via DO pin
  • Sequential read capability

Applications:

  • Non-volatile parameter storage
  • Industrial and automotive electronics
  • Consumer electronics

Package:

  • 8-pin PDIP (P)
  • 8-pin SOIC (SN)
  • 8-pin TSSOP (ST)
  • 8-pin MSOP (MS)
  • 6-pin SOT-23 (OT)
  • 8-pin DFN (2x3 mm) (MC)

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
93LC56AMicrochip Technology—
93LC56A/B/CMicrochip Technology8-pin DIP
93LC56ATMicrochip Technology—
93LC56BMicrochip Technology—
93LC56BTMicrochip Technology—
93LC56BT-I/OTMicrochip TechnologySOT-23-6
93LC56CTMicrochip Technology—

Other Integrated Circuits

All Integrated Circuits datasheetsAll Microchip Technology datasheets (599)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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