Microchip 47L04T-E/ST
Manufacturer No:
47L04T-E/ST
Manufacturer:
Microchip
Package:
8-TSSOP (0.173, 4.40mm Width)
Description:
4Kb EERAM - SRAM with EEPROM Back Up - Unlimited Endurance Memory
Quantity:
In Stock :5241
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Shipped from：HK Warehouse
Expected Shipping：Tue, Jun 2 - Wed, Jun 3, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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47L04T-E/ST Information
Microchip 47L04T-E/ST technical specifications, attributes, parameters and parts with similar specifications to Microchip 47L04T-E/ST.
- Type
- Parameter
- Battery Backup
- No
- Density
- 4 Kbit
- Endurance
- Unlimited
- Max. Clock Freq.
- 1 MHz
- Operating Voltage Max (V)
- 3.6
- Operating Voltage Min (V)
- 2.7
- Page Size (Bytes)
- 16
- Write Protect Scheme
- Software Configurable
- Write Protected
- Yes
- Data Retention
- 200
- Type
- Parameter
Download datasheets and manufacturer documentation for Microchip 47L04T-E/ST.
Supporting Collateral:
Data Sheets:
Application Notes:
The Microchip Technology Inc 47L04 EERAM is a 4Kbit SRAM with EEPROM Backup. The I2C
EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External
Battery to Retain Data. The device is organized as 512 x 8 bits and utilizes the I2C serial interface. The 47L04 provides infinite read and write cycles to the SRAM while the EEPROM cells provide high endurance non-volatile storage of Data. With an external capacitor, SRAM data is automatically transferred to the EEPROM upon power-loss. Data can also be transferred manually by using either the hardware store pin or by software control. Upon power-up, the EEPROM data is automatically recalled to the SRAM. Recall can also be initiated through software control. The unlimited endurance makes the EERAM useful in applications that need to constantly monitor or record data.
The 47L04 EERAM has a 2.7-3.6V operating voltage range and is available in 8-lead SOIC, TSSOP and PDIP packages. The EERAM works from -40C to 125C and is automotive grade qualified.
The 47L04 EERAM has a 2.7-3.6V operating voltage range and is available in 8-lead SOIC, TSSOP and PDIP packages. The EERAM works from -40C to 125C and is automotive grade qualified.
- Automatic Store to EEPROM 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 40ms (max)
- 2.7V -3.6V Operation
- High-Speed I2C Interface (Up to 1MHz)
- Non-Volatile External Event Detect Flag
- Infinite Read and Write Cycles to SRAM Array
- More than 1 Million Store Cycles to EEPROM
- Data Retention: >200 Years
- ESD Protection: >2,000V
- Reliable Data Storage during Power Loss
- 1mA active current (typ)
- 40uA Standby Current (max)
- Software Write Protection from 1/64 of SRAM array to whole array
- Zero Cycle delay reads and writes
- Cascadable up to four devices
- Industrial(I): -40oC to +85oC
- Automotive (E): -40oC to +125oC
- 8-Lead PDIP, SOIC and TSSOP Packages
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