74HC193DB

更新时间： 2024-02-02 06:58:15

品牌	Logo	应用领域
恩智浦 - NXP		计数器触发器逻辑集成电路光电二极管输出元件
页数	文件大小	规格书
29页	151K
描述
Presettable synchronous 4-bit binary up/down counter

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技术参数
数据手册

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74HC193DB 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.59
逻辑集成电路类型：	BINARY COUNTER	峰值回流温度（摄氏度）：	NOT SPECIFIED
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

74HC193DB 数据手册

74HC193; 74HCT193

NXP Semiconductors

Presettable synchronous 4-bit binary up/down counter

Q3) LOW. If one of the clock inputs is LOW during and after a reset or load operation, the

next LOW-to-HIGH transition of that clock will be interpreted as a legitimate signal and will

be counted.

2. Features

I Synchronous reversible 4-bit binary counting

I Asynchronous parallel load

I Asynchronous reset

I Expandable without external logic

3. Ordering information

Table 1.

Ordering information

Type number

Package

Temperature

range

Name

Description

Version

74HC193D

−40 °C to +125 °C SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

SOT338-1

74HC193DB

−40 °C to +125 °C SSOP16

plastic shrink small outline package; 16 leads;

body width 5.3 mm

74HC193N

−40 °C to +125 °C DIP16

plastic dual in-line package; 16 leads (300 mil)

SOT38-4

74HC193PW

−40 °C to +125 °C TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

74HCT193D

−40 °C to +125 °C SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

SOT338-1

74HCT193DB

−40 °C to +125 °C SSOP16

plastic shrink small outline package; 16 leads;

body width 5.3 mm

74HCT193N

−40 °C to +125 °C DIP16

plastic dual in-line package; 16 leads (300 mil)

SOT38-4

74HCT193PW

−40 °C to +125 °C TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

4. Functional diagram

TCU

TCD

CPU

CPD

COUNTER

CPU

CPD

TCU

TCD

FLIP-FLOPS

Q0 Q1 Q2

MR Q0

Q3 001aag409

001aag405

Fig 1. Functional diagram

Fig 2. Logic symbol

74HC_HCT193_3

Product data sheet

Rev. 03 — 23 May 2007

2 of 29

123 4 5 6 7...29

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