256Kx8 Nonvolatile SRAM, 5% Voltage Tolerance

The CMOS BQ4014 is a nonvolatile 2,097,152-bit static RAM organized as 262,144 words by 8 bits. The integral control circuitry and lithium energy source provide reliable nonvolatility coupled with the unlimited write cycles of standard SRAM
The control circuitry constantly monitors the single 5V supply for an out-of-tolerance condition. When VCC falls out of tolerance, the SRAM is unconditionally write-protected to prevent inadvertent write operation. At this time the integral energy source is switched on to sustain the memory until after VCC returns valid.
The BQ4014 uses extremely low standby current CMOS SRAMs coupled with small lithium coin cells to provide nonvolatility without long write-cycle times and the write-cycle limitations associated with EEPROM
The BQ4014 requires no external circuitry and is compatible with the industry-standard 2Mb SRAM pinout.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ4014YMB-120 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 120ns, DMA32, MODULE, DIP-32
BQ4014MB-120 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 120ns, PDIP32
BQ4014MB-85 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 85ns, PDIP32
BQ4014YMB-85 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 85ns, PDIP32
BQ4014MA-120 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 120ns, DMA32, MODULE, DIP-32
BQ4014YMA-120 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 120ns, DMA32, MODULE, DIP-32
BQ4014MA-85 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 85ns, DMA32, MODULE, DIP-32
BQ4014YMA-85 Texas Instruments 256KX8 NON-VOLATILE SRAM MODULE, 85ns, DMA32, MODULE, DIP-32
BQ4014 's PackagesBQ4014 's pdf datasheet
BQ4014MB-120 DIP
BQ4014MB-85 DIP




BQ4014 Pinout, Pinouts
BQ4014 pinout,Pin out
This is one package pinout of BQ4014,If you need more pinouts please download BQ4014's pdf datasheet.

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