DS1345W 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1345W

3.3V 1024k Nonvolatile SRAM with Battery Monitor

Dallas Semiconductor -> Maxim Integrated 

DS1345W

10. All AC and DC electrical characteristics are valid over the full operating temperature range. For

commercial products, this range is 0°C to 70°C. For industrial products (IND), this range is -40°C to

+85°C.

11. In a power-down condition the voltage on any pin may not exceed the voltage on VCC.

12. tWR1 and tDH1 are measured from WE going high.

13. tWR2 and tDH2 are measured from CE going high.

14. RST and BW are open-drain outputs and cannot source current. External pullup resistors should be

connected to these pins for proper operation. Both pins will sink 10mA.

15. DS1345 PowerCap modules are pending U.L review. Contact the factory for status.

DC TEST CONDITIONS

Outputs Open

Cycle = 200ns for operating current

All voltages are referenced to ground

AC TEST CONDITIONS

Output Load: 100 pF + 1TTL Gate

Input Pulse Levels: 0 to 2.7V

Timing Measurement Reference Levels

Input: 1.5V

Output: 1.5V

Input pulse Rise and Fall Times: 5ns

ORDERING INFORMATION

DS1345 W P - SSS - III

Operating Temperature Range

blank: 0° to 70°

IND: -40° to +85°C

Access Speed

100: 100ns

150: 150ns

P: 34-pin PowerCap Module

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