ISL12021 datasheet(4/24 Pages) INTERSIL

tên linh kiện	ISL12021

Giải thích chi tiết về linh kiện	Real Time Clock with On Chip Temp Compensation 짹5ppm

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nhà sản xuất	INTERSIL [Intersil Corporation]

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4

FN6451.0

March 30, 2007

I2C Interface Specifications

Test Conditions: VDD = +2.7 to +5.5V, Temperature = -20°C to +70°C, unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

TYP

(Note 7)

MAX

UNITS

NOTES

VIL

SDA and SCL input buffer LOW

voltage

-0.3

0.3 x VDD

V

VIH

SDA and SCL Input Buffer HIGH

Voltage

0.7 x VDD

VDD + 0.3

V

Hysteresis

SDA and SCL Input Buffer

Hysteresis

0.05 x VDD

V

VOL

SDA Output Buffer LOW Voltage,

Sinking 3mA

VDD = 5V, IOL = 3mA

0.4

V

CPIN

SDA and SCL Pin Capacitance

TA = +25°C, f = 1MHz,

VDD = 5V, VIN = 0V,

VOUT = 0V

10

pF

fSCL

SCL Frequency

400

kHz

tIN

Pulse Width Suppression Time at

SDA and SCL Inputs

Any pulse narrower than the

max spec is suppressed.

50

ns

tAA

SCL Falling Edge To SDA Output

Data Valid

SCL falling edge crossing 30%

of VDD, until SDA exits the

30% to 70% of VDD window.

900

ns

tBUF

Time the Bus Must be Free Before

The Start of a New Transmission

SDA crossing 70% of VDD

during a STOP condition, to

SDA crossing 70% of VDD

during the following START

condition.

1300

ns

tLOW

Clock LOW Time

Measured at the 30% of VDD

crossing.

1300

ns

tHIGH

Clock HIGH Time

Measured at the 70% of VDD

crossing.

600

ns

tSU:STA

START Condition Setup Time

SCL rising edge to SDA falling

edge. Both crossing 70% of

VDD.

600

ns

tHD:STA

START Condition Hold Time

From SDA falling edge

crossing 30% of VDD to SCL

falling edge crossing 70% of

VDD.

600

ns

tSU:DAT

Input Data Setup Time

From SDA exiting the 30% to

70% of VDD window, to SCL

rising edge crossing 30% of

VDD.

100

ns

tHD:DAT

Input Data Hold Time

From SCL falling edge

crossing 30% of VDD to SDA

entering the 30% to 70% of

VDD window.

0

900

ns

tSU:STO

STOP Condition Setup Time

From SCL rising edge

crossing 70% of VDD, to SDA

rising edge crossing 30% of

VDD.

600

ns

tHD:STO

STOP Condition Hold Time

From SDA rising edge to SCL

falling edge. Both crossing

70% of VDD.

600

ns

tDH

Output Data Hold Time

From SCL falling edge

crossing 30% of VDD, until

SDA enters the 30% to 70% of

VDD window.

0ns

ISL12021

Số phần tương tự - ISL12021

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Intersil Corporation	ISL12020	297Kb / 25P	Low Power RTC with VDD Battery Backed SRAM and Embedded Temp Compensation 짹5ppm with Auto Day Light Saving
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	ISL12020M	476Kb / 32P	Low Power RTC with Battery Backed SRAM, Integrated 짹5ppm Temperature Compensation and Auto Daylight Saving
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