SRAM Nonvolatile Controller IC For 1 SRAM Bank

The CMOS BQ2201 SRAM Nonvolatile Controller Unit provides all necessary functions for converting a standard CMOS SRAM into nonvolatile read/write memory.
A precision Comparator monitors the 5V VCC input for an out-of-tolerance condition. When out of tolerance is detected, a conditioned chip-enable output is forced inactive to write-protect any standard CMOS SRAM
During a power failure, the external SRAM is switched from the VCC supply to one of two 3V backup supplies. On a subsequent power-up, the SRAM is write-protected until a power-valid condition exists.
The BQ2201 is footprint- and timing-compatible with industry standards with the added benefit of a chip-enable propagation delay of less than 10ns.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ2201SN-NG4 Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC -40 to 85
BQ2201SNG4 Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC 0 to 70
BQ2201SNTRG4 Texas Instruments 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, SOIC-8
BQ2201SNTR Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC 0 to 70
BQ2201SN Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC 0 to 70
BQ2201SN-N Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC -40 to 85
BQ2201SN-NTRG4 Texas Instruments 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, SOIC-8
BQ2201SN-NTR Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-SOIC -40 to 85
BQ2201PN Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-PDIP 0 to 70
BQ2201PNE4 Texas Instruments SRAM Nonvolatile Controller IC for 1 SRAM Bank 8-PDIP 0 to 70
BQ2201 's PackagesBQ2201 's pdf datasheet
BQ2201PN PDIP
BQ2201PNE4 PDIP
BQ2201SN SOIC
BQ2201SN-N SOIC
BQ2201SN-NG4 SOIC
BQ2201SN-NTR SOIC
BQ2201SN-NTRG4 SOIC
BQ2201SNG4 SOIC
BQ2201SNTR SOIC




BQ2201 Pinout, Pinouts
BQ2201 pinout,Pin out
This is one package pinout of BQ2201,If you need more pinouts please download BQ2201's pdf datasheet.

BQ2201 Application circuits
BQ2201 circuits
This is one application circuit of BQ2201,If you need more circuits,please download BQ2201's pdf datasheet.


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