Maxim Integrated DS1345AB
The DS1345AB provides full functional capability for VCC greater than 4.75V and write protects by 4.5V. The DS1345Y provides full functional capability for VCC greater than 4.5V and write protects by 4.25V. The nonvolatile static RAMs constantly monitor VCC.| Part No. | DS1345AB |
|---|---|
| Datasheet | DS1345AB Download |
| Manufacturer |  Maxim Integrated |
| Description | 1024k Nonvolatile SRAM |
| Buy | Stock & Price |
FEATURES
● 10 years minimum data retention in the absence of external power● Data is automatically protected during power loss
● Power supply monitor resets processor when VCC power loss occurs and holds processor in reset during VCC ramp-up
● Battery monitor checks remaining capacity daily
● Read and write access times of 70ns
● Unlimited write cycle endurance
● Typical standby current 50µA
● Upgrade for 128k x 8 SRAM, EEPROM or Flash
● Lithium battery is electrically disconnected to retain freshness until power is applied for the first time
● Full ±10% VCC operating range (DS1345Y) or optional ±5% VCC operating range (DS1345AB)
● Optional industrial temperature range of -40°C to +85°C, designated IND
● PowerCap Module (PCM) package - Directly surface-mountable module - Replaceable snap-on PowerCap provides lithium backup battery - Standardized pinout for all nonvolatile (NV) SRAM products - Detachment feature on PowerCap allows easy removal using a regular screwdriver DS1345Y/AB 102...
