DS1312 데이터 시트보기 (PDF) - Maxim Integrated

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DS1312

Nonvolatile Controller with Lithium Battery Monitor

Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground

Operating Temperature Range

Storage Temperature Range

Soldering Temperature (reflow, SO or TSSOP)

Lead Temperature (soldering, 10s)

-0.5V to +6.0V

-40°C to +85°C

-55°C to +125°C

+260°C

+300°C

DS1312

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.

PACKAGE THERMAL CHARACTERISTICS (Note 1)

PDIP

Junction-to-Ambient Thermal Resistance (θJA).…………………...………………………....110°C/W

Junction-to-Case Thermal Resistance (θJC)……………………………………………………40°C/W

8 SO

Junction-to-Ambient Thermal Resistance (θJA).……………………………………………...132°C/W

Junction-to-Case Thermal Resistance (θJC)……………………………………………………38°C/W

16 SO

Junction-to-Ambient Thermal Resistance (θJA).…………………...………………………......71°C/W

Junction-to-Case Thermal Resistance (θJC)……………………………………………………23°C/W

TSSOP

Junction-to-Ambient Thermal Resistance (θJA).……………………………………………..73.8°C/W

Junction-to-Case Thermal Resistance (θJC)……………………………………………………20°C/W

Note 1:

Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer

board for the SMT packages. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-

tutorial.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL MIN TYP

Supply Voltage TOL=GND

VCCI

4.75 5.0

Supply Voltage TOL=VCCO

VCCI

4.5

5.0

Battery Supply Voltage

VBAT

2.0

Logic 1 Input

VIH

2.0

Logic 0 Input

VIL

-0.3

MAX

5.5

5.5

6.0

VCCI+0.3

+0.8

(-40°C to +85°C)

UNITS NOTES

V

2

V

2

V

2

V

2, 13

V

2, 13

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

Operating Current (TTL inputs)

ICC1

Operating Current (CMOS inputs)

ICC2

RAM Supply Current

ICCO1

(VCCO ≥ VCCI -0.2V)

RAM Supply Current

ICCO1

(VCCO ≥ VCCI -0.3V)

VCC Trip Point (TOL=GND)

VCCTP

VCC Trip Point (TOL=VCCO)

VCCTP

VBAT Trip Point

VBTP

MIN

4.50

4.25

2.5

(-40°C to +85°C; VCCI >VCCTP)

TYP MAX UNITS NOTES

200

400

µA

3

50

100

µA

3, 6

140

mA

4

200

mA

5

4.62

4.75

V

2

4.37

4.50

V

2

2.6

2.7

V

2

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