MC14569B 查看數據表（PDF） - Motorola => Freescale

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产品描述 (功能)

生产厂家

MC14569B

Programmable divide-by-N dual 4-bit binary/BCD down counter

Motorola => Freescale 

TYPICAL APPLICATIONS

fin

C

CF

Q

MC14569B

ZERO DETECT

CF

C MC14522B Q4

OR

PE MC14526B “0”

CF

C MC14522B Q4

OR

PE MC14526B “0”

Q1/C2

MC14568B

PE

“0”

DP0 – – – – – – DP3

DP0 – – – – – – DP3

DP0 – – – – – – DP3

LSD

MSD

fout

Figure 3. Cascading MC14568B and MC14522B or MC14526B with MC14569B

(40 kHz)

VSS

PCin

PCout

C1

G

CT1

F

“0”

Q1/C2

PE

DP0 – – – – DP3

VSS

VSS

Q

CF

MC14569B C

ZERO DETECT

VCO

MC14011

fout

(144 – 146 MHz)

VDD

MIXER

2k

Frequencies shown in parenthesis are given as an example

2M

CRYSTAL

OSCILLATOR

(143.5 MHz)

Figure 4. Frequency Synthesizer with MC14568B and MC14569B Using a Mixer

(Channel Spacing 10 kHz)

MC14569B

10

MOTOROLA CMOS LOGIC DATA

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