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NLV74HC390ADR2G

更新时间： 2024-11-28 11:01:43

品牌	Logo	应用领域
安森美 - ONSEMI		计数器
页数	文件大小	规格书
10页	127K
描述
Dual 4-Stage Binary Ripple Counter with ÷2 and ÷5 Sections

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中文翻译

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数据手册

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NLV74HC390ADR2G 数据手册

MC74HC390A

Dual 4−Stage Binary Ripple

Counter with ÷ 2 and ÷ 5

Sections

High−Performance Silicon−Gate CMOS

http://onsemi.com

MARKING

The MC74HC390A is identical in pinout to the LS390. The device

inputs are compatible with standard CMOS outputs; with pullup

resistors, they are compatible with LSTTL outputs.

DIAGRAMS

This device consists of two independent 4−bit counters, each

composed of a divide−by−two and a divide−by−five section. The

divide−by−two and divide−by−five counters have separate clock

inputs, and can be cascaded to implement various combinations of ÷ 2

and/or ÷ 5 up to a ÷ 100 counter.

PDIP−16

N SUFFIX

CASE 648

MC74HC390AN

AWLYYWWG

Flip−flops internal to the counters are triggered by high−to−low

transitions of the clock input. A separate, asynchronous reset is

provided for each 4−bit counter. State changes of the Q outputs do not

occur simultaneously because of internal ripple delays. Therefore,

decoded output signals are subject to decoding spikes and should not

be used as clocks or strobes except when gated with the Clock of the

HC390A.

SOIC−16

D SUFFIX

CASE 751B

HC390AG

AWLYWW

Features

TSSOP−16

DT SUFFIX

CASE 948F

390A

ALYWG

• Output Drive Capability: 10 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1 mA

• High Noise Immunity Characteristic of CMOS Devices

• In Compliance with the Requirements Defined by JEDEC Standard

No 7A

• Chip Complexity: 244 FETs or 61 Equivalent Gates

• Pb−Free Packages are Available*

SOEIAJ−16

F SUFFIX

CASE 966

74HC390A

ALYWG

L, WL

Y, YY

= Assembly Location

= Wafer Lot

= Year

W, WW = Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

June, 2005 − Rev. 3

MC74HC390A/D

12 3 4 5 6 7...10

中文翻译

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