Datasheet > CF5021AC-2

CF5021AC-2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
NPC		振荡器晶体振荡器
页数	文件大小	规格书
12页	102K
描述
Crystal Oscillator Module ICs

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CF5021AC-2 数据手册

SM5021 series

Crystal Oscillator Module ICs

OVERVIEW

The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that

incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate

thin-ﬁlm feedback resistors and high-frequency capacitors are built-in, eliminating the need for external com-

ponents to make a stable 3rd overtone oscillator.

FEATURES

ꢀ 3rd overtone oscillation

ꢀ Oscillator capacitors C , C built-in

ꢀ Inverter ampliﬁer feedback resistor built-in

(A×, B× series)

^ꢀTTL input level

ꢀ Output three-state function

ꢀ Operating supply voltage range

• 2.7 to 5.5V (A×, K× series)

• 4.5 to 5.5V (B×, L× series)

^ꢀOscillator frequency output

^ꢀ6-pin SOT (SM5021××H)

^ꢀChip form (CF5021××)

^ꢀOutput drive capability

• 4mA (V = 2.7V)

• 8mA (V = 4.5V)

SERIES CONFIGURATION

Recommended

operating frequency

Built-in

capacitance

[pF]

Operating supply

voltage range [V]

ratio

Output

level

Standbyoutput

state

range [MHz]

Version

[kΩ] frequency

3V 5V

operation operation

Chip

SOT

SM5021AAH 4.5 to 5.5 4.5 to 5.5

SM5021ABH

22 to 30

30 to 43

43 to 55

55 to 70

6.0

3.3

22 to 30

SM5021ACH 2.7 to 5.5 2.7 to 5.5 30 to 40

3.9

2.7

6.0

3.3

3.9

2.7

CMOS

High impedance

SM5021ADH

40 to 50

50 to 70

SM5021AEH 2.7 to 3.6

SM5021BAH

22 to 30

30 to 43

43 to 55

55 to 70

SM5021BBH

4.5 to 5.5 4.5 to 5.5

TTL

SM5021BCH

SM5021BDH

SM5021KDH 2.7 to 5.5 2.7 to 5.5 22 to 50

SM5021KEH 2.7 to 3.6 2.7 to 3.6 50 to 70

22 to 70

–

CMOS

TTL

High impedance

SM5021LDH 4.5 to 5.5 4.5 to 5.5

22 to 70

*1. Chip form devices have designation CF5021××.

*2. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the oscilla-

tor frequency band is not guaranteed. Speciﬁcally, the characteristics can vary greatly due to crystal characteristics and mounting conditions, so the

oscillation characteristics of components must be carefully evaluated.

*3. The 3rd overtone frequency range using an external resistor to set the cutoff frequency.

ORDERING INFORMATION

Device

Package

SOT23-6

Chip form

SM5021××H

CF5021××–2

SEIKO NPC CORPORATION —1

12 3 4 5 6 7...12

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