MC74HC4046A屬于集成電路（IC）的時鐘發(fā)生器PLL頻率合成器。由安森美半導體公司制造生產(chǎn)的MC74HC4046A時鐘發(fā)生器，PLL，頻率合成器時鐘發(fā)生器、PLL 和頻率合成器集成電路 (IC) 可為邏輯器件提供參考信號的穩(wěn)定定時脈沖，這些器件包括計算機、微控制器、數(shù)據(jù)通信系統(tǒng)和圖形/視頻發(fā)生器。這些集成電路可能包括緩沖器、驅(qū)動器、分頻器、倍頻器、多路復用器、合成器、扇出分配器和預分頻器。

Phase?Locked Loop

High?Performance Silicon?Gate CMOS

The MC74HC4046A is similar in function to the MC14046 Metal gate CMOS device. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

Features

? Output Drive Capability: 10 LSTTL Loads

? Low Power Consumption Characteristic of CMOS Devices

? Operating Speeds Similar to LSTTL

? Wide Operating Voltage Range: 3.0 to 6.0 V

? Low Input Current: 1.0 μA Maximum (except SIGIN and COMPIN)

? In Compliance with the Requirements Defined by JEDEC Standard No. 7A

? Low Quiescent Current: 80 μA Maximum (VCO disabled)

? High Noise Immunity Characteristic of CMOS Devices

? Diode Protection on all Inputs

? Chip Complexity: 279 FETs or 70 Equivalent Gates

? Pb?Free Packages are Available*