NJU6315 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6315

SERIAL I/O REAL TIME CLOCK

Japan Radio Corporation  

NJU6315 Series

!ELECTRICAL CHARACTERISTICS

PARAMETER

Operating Voltage

SYMBOL

CONDITIONS

VDD

8MHz≤fosc≤40MHz

fosc≤50MHz

(Ta=25°C)

MIN

TYP

MAX UNIT

0.9

3.3

V

1.1

3.3

PARAMETER

SYMBOL

CONDITIONS

(VDD=1.2V, Ta=25°C)

MIN

TYP

MAX UNIT

Operating Current

Oscillation Stopping

Current

IDD A version, f0=50MHz, CL=15pF

ISTB CONT=VSS, No load

2.8

4.0

mA

1

3

uA

Input Voltage

VIH

VIL

Output Current

IOH

VOH=1.08V

IOL

VOL=0.12V

Input Current

IIN

CONT=0.8VDD

CONT=0.2VDD

3-state Off Leakage

Current

IOZ

CONT=VSS, FOUT= VDD or VSS

0.84

1.2

V

0

0.36

V

2

mA

2

mA

3.0

4.5

uA

0.5

0.7

uA

±0.1 uA

Feedback Resistance

Rf

255

kΩ

Internal Capacitor

Cg/Cd fosc=16MHz

9/10

pF

Oscillation Frequency

fMAX Recommendation

Note5)

Output Signal Symmetry

SYM CL=15pF, @VDD/2

45

50

Output Signal Rise Time

tr

CL=15pF,10% to 90%

3

Output Signal Fall Time

tf

CL=15pF,90% to 10%

3

Output Disable time

tPLZ

CL=15pF,RUP=10kΩ

Output Enable Time

tPZL

CL=15pF,RUP=10kΩ

Note5) The oscillation frequency range has used NJRC’s standard crystal for measurement.

50 MHz

55

%

6

ns

6

ns

250

ns

250

ns

However it is not

guaranteed. (Refer to EXAMPLE OF CRYSTAL PARAMETERS FOR MEASUREMENT CIRCUITS)

PARAMETER

SYMBOL

CONDITIONS

(VDD=1.5V, Ta=25°C)

MIN

TYP

MAX UNIT

Operating Current

Oscillation Stopping

Current

IDD A version, f0=50MHz, CL=15pF

ISTB CONT=VSS, No load

3.7

4.8

mA

2

5

uA

Input Voltage

VIH

VIL

Output Current

IOH

VOH=1.35V

IOL

VOL=0.15V

Input Current

IIN

CONT=0.8VDD

CONT=0.2VDD

3-state Off Leakage

Current

IOZ

CONT=VSS, FOUT= VDD or VSS

1.05

1.5

V

0

0.45

V

2

mA

2

mA

3.0

4.5

uA

0.6

0.9

uA

±0.1 uA

Feedback Resistance

Rf

255

kΩ

Internal Capacitor

Cg/Cd fosc=16MHz

9/10

pF

Oscillation Frequency

fMAX Recommendation

Note6)

50 MHz

Output Signal Symmetry

SYM CL=15pF, @VDD/2

45

50

55

%

Output Signal Rise Time

tr

CL=15pF,10% to 90%

3

6

ns

Output Signal Fall Time

tf

CL=15pF,90% to 10%

3

6

ns

Output Disable time

tPLZ

CL=15pF,RUP=10kΩ

250

ns

Output Enable Time

tPZL

CL=15pF,RUP=10kΩ

250

ns

Note5) The oscillation frequency range has used NJRC’s standard crystal for measurement. However it is not

guaranteed. (Refer to EXAMPLE OF CRYSTAL PARAMETERS FOR MEASUREMENT CIRCUITS)

2010/07/28 ( 3 / 4 )

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