Key facts
- Brand
- Atmel
- Model
- AT93C46
- Industry
- Industrial
- Documents
- 5
- Languages
- EN
- Last added
- 2012-06-06
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Atmel AT93C46/56/57/66 EEPROM Datasheet
This document provides technical specifications for the Atmel AT93C46/56/57/66 family of 1K, 2K, and 4K bit serial electrically erasable programmable read-only memory (EEPROM) devices. The chips are organized as 64/128/256 words of 16 bits or 128/256/512 words of 8 bits, selectable via the ORG pin.
Read onlineAtmel AT93C46 specifications
| Memory Capacity | 1024/2048/4096 bits |
|---|---|
| Endurance | 1 Million Cycles |
| Data Retention | 100 Years |
| Clock Rate (5V) | 2 MHz |
| Operating Temperature | -40°C to +85°C |
| Max Operating Voltage | 6.25V |
All Atmel AT93C46 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Atmel AT93C46/56/57/66 EEPROM Datasheet 15 p
- ATMEL Three-wire Serial EEPROMs 1K (128 x 8 or 64 x 16) 2K (256 x 8 or 128 x 16) 4K (512 x 8 or 256 x 16) AT93C46 AT93C56 (1) AT93C66 (2) handbook 21 p
- Atmel AT93C46/AT93C56/AT93C66 3‑wire Serial EEPROM Datasheet 15 p
- ATMEL AT93C46 AT93C56 AT93C57 AT93C66 DATA SHEET 16 p
- Atmel AT93C46 EEPROM Datasheet 13 p
Questions answered in these manuals
What are the available voltage options?
The devices are available in 4.5V to 5.5V, 2.7V to 5.5V, 2.5V to 5.5V, and 1.8V to 5.5V versions.
What is the maximum write cycle time?
The self-timed write cycle has a maximum duration of 10 ms.
What is the maximum clock frequency for these EEPROMs?
The maximum clock rate is 2 MHz when operating at 5V.
Are there low-voltage versions available?
Yes, the devices support operation from 1.8V to 5.5V in addition to standard voltage ranges.
What voltage ranges does the AT93C46 support?
The AT93C46 is available in versions that operate from 1.8 V up to 5.5 V.
From: Atmel AT93C46/AT93C56/AT93C66 3‑wire Serial EEPROM Datasheet
How many write cycles can the AT93C46/56/66 endure?
The devices are rated for up to 1 million write cycles.
From: Atmel AT93C46/AT93C56/AT93C66 3‑wire Serial EEPROM Datasheet