93LC56A
3-Wire Serial EEPROMThe 93LC56A is a 3-wire serial eeprom from Microchip Technology. View the full 93LC56A datasheet below including key specifications.
93LC56A shares its datasheet with 93LC56B, whose page lists every part number it covers.
Official 93LC56A datasheet (PDF) — the source this page was extracted from.
Manufacturer
Microchip TechnologyCategory
Integrated Circuits93LC56A Key Specifications
| Parameter | Value |
|---|---|
| Endurance | 1,000,000 erase/write cycles |
| Memory Size | 2 Kbit |
| Organization | 256 x 8-bit |
| Data Retention | >200 years |
| ESD Protection | >=4 kV |
| Write Mode Current | 2 mA max (FCLK = 3 MHz, VCC = 5.5V) |
| Supply Voltage Range | 2.5V to 5.5V |
| Communication Interface | 3-wire Microwire serial (CS, CLK, DI, DO) |
| Operating Temperature Range | -40°C to +85°C (I), -40°C to +125°C (E) |
| Absolute Maximum Supply Voltage | 7.0V |
93LC56A 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 Number | Manufacturer | Package |
|---|---|---|
| 93LC56A/B/C | Microchip Technology | 8-pin DIP |
| 93LC56AT | Microchip Technology | — |
| 93LC56B | Microchip Technology | — |
| 93LC56BT | Microchip Technology | — |
| 93LC56BT-I/OT | Microchip Technology | SOT-23-6 |
| 93LC56C | Microchip Technology | — |
| 93LC56CT | Microchip Technology | — |
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All Integrated Circuits datasheetsAll Microchip Technology datasheets (599)
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