DS1254 Ver la hoja de datos (PDF) - Maxim Integrated

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Fabricante

DS1254

2M x 8 NV SRAM with Phantom Clock

Maxim Integrated 

DS1254

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground

Operating Temperature Range

Storage Temperature Range

Soldering Temperature

-0.3V to +4.6V

0C to +70C

-40C to +70C

See IPC/JEDEC J-STD-020

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.

RECOMMENDED DC OPERATING CONDITIONS

(TA = 0C to +70C)

PARAMETER

SYMBOL

CONDITIONS

Power-Supply Voltage

VCC

MIN TYP MAX UNITS NOTES

3.0 3.3 3.7

V

1

Logic 1 Voltage (All Inputs)

VIH

2.0

VCC +

0.3

V

1

Logic 0 Voltage (All Inputs)

VIL

-0.3

0.6

V

1

DC ELECTRICAL CHARACTERISTICS

(VCC = 3.3V 10%, TA = 0C to +70C.)

PARAMETER

SYMBOL

MIN

Input Leakage Current

I/O Leakage Current

Output Current at 2.4V

Output Current at 0.4V

Standby Current (CE = 2.2V)

Standby Current (CE = VCC - 0.5V)

Operating Current, tCYC = 100ns

Write Protection Voltage

IIL

IIO

IOH

IOL

ICCS1

ICCS2

ICCO1

VPF

-4.0

-4.0

-1.0

2.0

2.8

CAPACITANCE

(TA = +25C)

PARAMETER

Input Capacitance: A0 to A18, OE,

WE, CE

Input Capacitance: A19 to A20

I/O Capacitance: DQ0 to DQ7

Output Capacitance: BW

SYMBOL

CIN

CIN

CIO

COUT

MIN

TYP

5.0

2.0

TYP

25

5

25

5

MAX

+4.0

+4.0

7

3.0

50

2.97

UNITS

A

A

mA

mA

mA

mA

mA

V

NOTES

3

3

1

MAX

50

10

50

10

UNITS

pF

pF

pF

pF

NOTES

7 of 17

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