93LC56A/B/C

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)