74F525

更新时间： 2024-09-17 04:01:03

品牌	Logo	应用领域
美国国家半导体 - NSC		计数器
页数	文件大小	规格书
10页	174K
描述
Programmable Counter

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数据手册

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74F525 数据手册

August 1995

74F525

Programmable Counter

General Description

Features

Baud rate generator

The ’F525 is a multi-function 28-pin device. It consists of a

16-bit count-down counter, logic to control the counter, logic

to control the state of the outputs and a PLA to decode the

particular function selected by the user. The list of high-

speed timing applications include:

Digitally programmed monostable

Variable system frequency generator

Digital filter variable sampling rate

16-bit data path

External trigger

Extremely accurate one shot w/pulse widths from

50 ns to 3.27 ms CP

40 MHz

Package

Commercial

Number

Package Description

74F525QC (Note 1)

74F525SC (Note 1)

74F525PC

V28A

M28B

N28B

28-Lead Molded Plastic Leaded Chip Carrier

28-Lead (0.300 Wide) Molded Small Outline, JEDEC

28-Lead (0.600 Wide) Molded Dual-In-Line Package

Note 1: Devices also available in 13 reel. Use suffix

SCX and QCX.

Connection Diagrams

Pin Assignment

DIP and SOIC

Pin Assignment

for PCC

TL/F/9547–3

TL/F/9547–2

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/9547

RRD-B30M105/Printed in U. S. A.

12 3 4 5 6 7...10

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与74F525相关器件

型号	品牌	获取价格	描述	数据表
74F525DC	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525DCQR	TI	获取价格	F/FAST SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CDIP28, CERAMIC, DIP-
74F525FCQR	TI	获取价格	F/FAST SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CDFP28, FP-28
74F525L1C	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525L1CQR	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525PC	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525PCQR	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525PCX	NSC	获取价格	Programmable Counter
74F525QC	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,
74F525QCQR	FAIRCHILD	获取价格	Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction,