| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 3.30 V, 3.60 V (max) |
| Case/Package | TSSOP-16 |
| Output Voltage | 0.4 V |
| Supply Current | 500 µA |
| Input Current | 500 µA |
| Quiescent Current | 210 µA |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | -20 ℃ |
| Supply Voltage | 3V ~ 3.6V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 3 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Operating Temperature | -20℃ ~ 70℃ |
The CMOS bq2205 SRAM non-volatile controller with reset provides all the necessary functions for converting one or two banks of standard CMOS SRAM into non-volatile read/write memory.
●A precision comparator monitors the 3.3-V VCC input for an out-of-tolerance condition. When out-of-tolerance is detected, the two conditioned chip-enable outputs are forced inactive to write-protect both banks of SRAM.
●Power for the external SRAMs, VOUT, is switched from the VCC supply to the battery-backup supply as VCC decays. On a subsequent power-up, the VOUT supply is automatically switched from the backup supply to the VCC supply. The external SRAMs are write-protected until a power-valid condition exists. The reset output provides power-fail and power-on resets for the system. During power-valid operation, the input decoder, A, selects one of two banks of SRAM.
TI
TEXAS INSTRUMENTS BQ2205LYPW BATTERY SUPERVISOR, 3.6V, TSSOP-16
TI
Power Monitoring and Switching 16Pin TSSOP T/R
TI
Power Monitoring and Switching 16Pin TSSOP T/R
TI
Power Monitoring and Switching 16Pin TSSOP Tube
TI
Battery Back-up Supervisor for Dual SRAM Banks
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