47L16T-E/ST

47L16T-E/ST

4-Kbit/16-Kbit I2C Serial EERAM

Features
• 4 Kbit/16 Kbit SRAM with EEPROM Backup:
- Internally organized as 512 x 8 bits (47X04)
or 2,048 x 8 bits (47X16)
- Automatic Store to EEPROM array upon
power-down (using optional external
capacitor)
- Automatic Recall to SRAM array upon
power-up
- Hardware Store pin for manual Store
operations
- Software commands for initiating Store and
Recall operations
- Store time 8 ms maximum (47X04) or
25 ms maximum (47X16)
• Nonvolatile External Event Detect Flag
• High Reliability:
- Infinite read and write cycles to SRAM
- More than one million store cycles to
EEPROM
- Data retention: >200 years
- ESD protection: >4,000V
• High-Speed I2C Interface:
- Industry standard 100 kHz, 400 kHz and
1 MHz
- Zero cycle delay reads and writes
- Schmitt Trigger inputs for noise suppression
- Cascadable up to four devices
• Write Protection:
- Software write protection from 1/64 of SRAM
array to whole array
• Low-Power CMOS Technology:
- 200 µA active current typical
- 40 µA standby current (maximum)
• Available Temperature Ranges

- Industrial (I): -40°C to +85°C
- Extended (E): -40°C to +125°C

• Automotive AEC-Q100 Qualified