Rainbow-electronics DS1244Y Manuel d'utilisateur Page 15
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- Table des matières
- MARQUE LIVRES
- DS1244/DS1244P 1
- 256k NV SRAM 1
- PIN DESCRIPTION 2
- TYPICAL OPERATING CIRCUIT 2
- ORDERING INFORMATION 2
- DESCRIPTION 2
- PACKAGES 2
- RAM READ MODE 3
- RAM WRITE MODE 3
- DATA RETENTION MODE 3
- PHANTOM CLOCK OPERATION 3
- AM/PM/12/24 MODE 6
- OSCILLATOR AND RESET BITS 6
- ZERO BITS 6
- BATTERY LONGEVITY 7
- CLOCK ACCURACY (DIP MODULE) 7
- ABSOLUTE MAXIMUM RATINGS* 8
- OPERATING RANGE 8
- MEMORY READ CYCLE (Note 1) 13
- RESET FOR PHANTOM CLOCK 14
- READ CYCLE TO PHANTOM CLOCK 14
- WRITE CYCLE TO PHANTOM CLOCK 15
- 16 of 19 16
- AC TEST CONDITIONS 17
- 18 of 19 18
- 19 of 19 19
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