DS1554070 Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
DS1554070 Datasheet PDF : 18 Pages
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Figure 1. Block Diagram
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
Maxim
DS1554
Table 1. Operating Modes
VCC
CE OE WE
VIH
X
X
VCC > VPF
VIL
X
VIL
VIL
VIL
VIH
VIL
VIH
VIH
VSO < VCC <VPF
X
X
X
VCC <VSO < VPF
X
X
X
DQ0–DQ7
High-Z
DIN
DOUT
High-Z
High-Z
High-Z
MODE
Deselect
Write
Read
Read
Deselect
Data Retention
POWER
Standby
Active
Active
Active
CMOS Standby
Battery Current
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