DS1350W データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1350W

3.3V 4096K Nonvolatile SRAM with Battery Monitor

Dallas Semiconductor -> Maxim Integrated 

DS1350W

9. Each DS1350W has a built–in switch that disconnects the lithium source until VCC is first applied by the user. The

expected tDR is defined as accumulative time in the absence of VCC starting from the time power is first applied

by the user.

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

ucts, 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 pull–up resistors should be connected

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

DC TEST CONDITIONS

Outputs Open

Cycle = 200 ns for operating current

All voltages are referenced to ground

AC TEST CONDITIONS

Output Load: 100 pF + 1TTL Gate

Input Pulse Levels: 0 – 3.0V

Timing Measurement Reference Levels

Input: 1.5V

Output: 1.5V

Input pulse Rise and Fall Times: 5 ns

ORDERING INFORMATION

DS1350 W P – SSS – III

Operating Temperature Range

blank: 0° to 70°

IND: –40° to +85°C

Access Speed

150: 150 ns

Package Type

blank: 28–pin 600 mil DIP

P:

34–pin PowerCap Module

022598 8/11

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