DS1553P-70 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS1553P-70

64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM

Dallas Semiconductor -> Maxim Integrated 

DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM

DC ELECTRICAL CHARACTERISTICS

(VCC = 3.3V ±10%, over the operating range.)

PARAMETER

SYMBOL

MIN

TYP

MAX UNITS NOTES

Active Supply Current

ICC

10

30

mA

2, 3

TTL Standby Current (CE = VIH)

CMOS Standby Current

(CE ³ VCC - 0.2V)

Input Leakage Current (Any Input)

ICC1

0.7

2

mA

2, 3

ICC2

0.7

2

mA

2, 3

IIL

-1

+1

mA

Output Leakage Current (Any Output)

IOL

-1

Output Logic 1 Voltage

(IOUT = -1.0mA)

Output Logic 0 Voltage

(IOUT = 2.1mA, DQ0–7 Outputs)

VOH

2.4

VOL1

(IOUT = 7.0mA, IRQ/FT and RST Outputs)

VOL2

+1

mA

V

1

0.4

V

1

0.4

V

1, 5

Write Protection Voltage

Battery Switchover Voltage

VPF

2.75

2.97

V

1

VSO

VBAT

or VPF

V

1, 4

Figure 5. Read Cycle Timing Diagram

10 of 19

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