DS1270AB 查看數據表（PDF） - Maxim Integrated

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DS1270AB

16M Nonvolatile SRAM

Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

Operating Temperature

Storage Temperature

Soldering Temperature

DS1270Y/AB

-0.3V to +6.0V

0°C to 70°C; -40°C to +85°C for IND parts

-40°C to +70°C; -40°C to +85°C for IND parts

260°C for 10 seconds

* This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL MIN TYP

DS1270AB Power Supply Voltage

VCC

4.75 5.0

DS1270Y Power Supply Voltage

VCC

4.5 5.0

Logic 1 Input Voltage

VIH

2.2

Logic 0 Input Voltage

VIL

0

(tA: See Note 10)

MAX UNITS NOTES

5.25

V

5.5

V

VCC

V

+0.8

V

DC ELECTRICAL

CHARACTERISTICS

PARAMETER

Input Leakage Current

I/O Leakage Current

Output Current @ 2.4V

Output Current @ 0.4V

Standby Current CE =2.2V

Standby Current CE =VCC-0.5V

Operating Current

Write Protection Voltage (DS1270AB)

Write Protection Voltage (DS1270Y)

(VCC=5V ±=5% for DS1270AB)

(tA: See Note 10) (VCC=5V ±=10% for DS1270Y)

SYMBOL MIN TYP MAX UNITS NOTES

IIL

-4.0

+4.0

µA

IIO

-4.0

+4.0

µA

IOH

-1.0

mA

IOL

2.0

mA

ICCS1

1.0

1.5

mA

ICCS2

100 250

µA

ICCO1

85

mA

VTP

4.50 4.62 4.75

V

VTP

4.25 4.37 4.5

V

CAPACITANCE

PARAMETER

Input Capacitance

Output Capacitance

SYMBOL

CIN

CI/O

MIN

TYP

20

20

MAX

40

40

(tA=25°C)

UNITS NOTES

pF

pF

3 of 8

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