Datasheet > CD74HCT147

CD74HCT147

更新时间： 2024-09-29 23:04:31

品牌	Logo	应用领域
德州仪器 - TI		编码器
页数	文件大小	规格书
6页	44K
描述
High Speed CMOS Logic 10-to-4 Line Priority Encoder

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中文翻译

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数据手册

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CD74HCT147 数据手册

CD74HC147,

CD74HCT147

Data sheet acquired from Harris Semiconductor

SCHS149

High Speed CMOS Logic

September 1997

10-to-4 Line Priority Encoder

Features

Description

[ /Title

(CD74

HC147

CD74

HCT14

• Buffered Inputs and Outputs

The Harris CD74HC147and CD74HCT147 are high speed

silicon-gate CMOS devices and are pin-compatible with low

power Schottky TTL (LSTTL).

• Typical Propagation Delay: 13ns at V

= 5V,

C = 15pF, T = 25 C

The CD74HC147 and CD74HCT147 9-input priority

encoders accept data from nine active LOW inputs (l to l )

and provide binary representation on the four active LOW

inputs (Y0 to Y3). A priority is assigned to each input so that

when two or more inputs are simultaneously active, the input

with the highest priority is represented on the output, with

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55 C to 125 C

• Balanced Propagation Delay and Transition Times

/Sub-

ject

input line l having the highest priority.

(High

Speed

CMOS

Logic

10-to-4

Line

Prior-

ity

Encode

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

These devices provide the 10-line to 4-line priority encoding

function by use of the implied decimal “zero”. The “zero” is

encoded when all nine data inputs are HIGH, forcing all four

outputs HIGH.

• HC Types

- 2V to 6V Operation

- High Noise Immunity: N = 30%, N = 30% of V

Ordering Information

at V

= 5V

PKG.

• HCT Types

PART NUMBER TEMP. RANGE ( C) PACKAGE

NO.

E16.3

- 4.5V to 5.5V Operation

CD74HC147E

CD74HCT147E

CD74HC147M

CD74HCT147M

NOTES:

-55 to 125

16 Ld PDIP

- Direct LSTTL Input Logic Compatibility,

V = 0.8V (Max), V = 2V (Min)

IL IH

- CMOS Input Compatibility, I ≤ 1µA at V , V

OL OH

/Autho

r ()

16 Ld SOIC M16.15

/Key-

words

(High

Speed

CMOS

Logic

10-to-4

Line

1. When ordering, use the entire part number. Add the sufﬁx 96 to

obtain the variant in the tape and reel.

2. Wafer or die for this part number is available which meets all elec-

trical specifications. Please contact your local sales office or

Harris customer service for ordering information.

Pinout

Prior-

ity

CD74HC147, CD74HCT147

(PDIP, SOIC)

Encode

r, High

Speed

CMOS

Logic

10-to-4

Line

TOP VIEW

16 V

15 NC

14 Y3

13 I3

12 I2

11 I1

10 I9

GND

Prior-

ity

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

File Number 1773.1

12 3 4 5 6

中文翻译

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与CD74HCT147相关器件

型号	品牌	获取价格	描述	数据表
CD74HCT147E	TI	获取价格	High Speed CMOS Logic 10-to-4 Line Priority Encoder
CD74HCT147E	RENESAS	获取价格	IC,ENCODER,HCT-CMOS,DIP,16PIN,PLASTIC
CD74HCT147EE4	TI	获取价格	High-Speed CMOS Logic 10- to 4-Line Priority Encoder
CD74HCT147EN	ETC	获取价格	Logic IC
CD74HCT147F	ETC	获取价格	Logic IC
CD74HCT147H	ETC	获取价格	Encoder
CD74HCT147M	RENESAS	获取价格	IC,ENCODER,HCT-CMOS,SOP,16PIN,PLASTIC
CD74HCT147M	TI	获取价格	High Speed CMOS Logic 10-to-4 Line Priority Encoder
CD74HCT147M96	RENESAS	获取价格	IC,ENCODER,HCT-CMOS,SOP,16PIN,PLASTIC
CD74HCT14E	RENESAS	获取价格	IC,LOGIC GATE,HEX INVERTER,HCT-CMOS,DIP,14PIN,PLASTIC

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