MB88153A Ver la hoja de datos (PDF) - Fujitsu

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MB88153A

Spread Spectrum Clock Generator

Fujitsu 

MB88153A

■ ELECTRICAL CHARACTERISTICS

• DC Characteristics

(Ta = − 40 °C to + 85 °C, VDD = 3.3 V ± 0.3 V, VSS = 0.0 V)

Parameter

Symbol Pin

Conditions

Value

Unit

Min

Typ

Max

Output voltage

VOH

CKOUT

“H” level output

IOH = − 4 mA

VOL

CKOUT

“L” level output

IOL = 4 mA

VDD − 0.5



VSS



VDD

V

0.4

V

Output impedance

ZO CKOUT 16.6 MHz to 134 MHz



45



Ω

Input capacitance

CKIN,

ENS, Ta = + 25 °C,

CIN FREQ0, VDD = VI = 0.0 V,

FREQ1, f = 1 MHz

XPD





16

pF

16.6 MHz to 67 MHz





15

Load capacitance

CL CKOUT 67 MHz to 100 MHz





10

pF

100 MHz to 134 MHz





7

Input Pull-up resistance

RPUE

RPUP

FREQ0

VIL = 0.0 V

XPD

25

50

200

kΩ

500

800

1200

Power supply current

ICC

VDD

No load capacitance

at 24 MHz output



4.0

6.0 mA

Power down current

Ipd

VDD Input clock stopping



10



µA

• AC Characteristics

Parameter

Symbol Pin

(Ta = − 40 °C to + 85 °C, VDD = 3.3 V ± 0.3 V, VSS = 0.0 V)

Conditions

Value

Unit

Min

Typ

Max

Input frequency

fin

CKIN



Output frequency

fOUT CKOUT



16.6



134 MHz

16.6



134 MHz

Output slew rate

SR

CKOUT

Load capacitance 15 pF

0.4 V to 2.4 V

0.4



4.0

V/ns

Output clock duty cycle tDCC CKOUT 1.5 V

40



60

%

FREQ[1 : 0] = (00)

fin/2640 fin/2280 fin/1920

(2640) (2280) (1920)

Modulation frequency

(Number of input clocks

per modulation)

fMOD

(nMOD)

FREQ[1 : 0] = (10)

CKOUT

FREQ[1 : 0] = (11)

fin/4400 fin/3800 fin/3200

(4400) (3800) (3200)

fin/5280 fin/4560 fin/3840

(5280) (4560) (3840)

kHz

(clks)

FREQ[1 : 0] = (01)

fin/8800 fin/7600 fin/6400

(8800) (7600) (6400)

(Continued)

11

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