SN74LS47 datasheet(2/8 Pages) ONSEMI

部件名	SN74LS47

功能描述	BCD to 7-Segment Decoder/Driver

PDF	8 Pages

Scroll/Zoom	100%

制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

标志

2 / 8 page

SN74LS47

http://onsemi.com

LOGIC SYMBOL

CONNECTION DIAGRAM DIP (TOP VIEW)

BCD Inputs

Ripple–Blanking Input

Lamp–Test Input

Blanking Input or

Ripple–Blanking Output

Outputs

A, B, C, D

RBI

BI/RBO

a, to g

0.5 U.L.

1.2 U.L.

Open–Collector

0.25 U.L.

0.75 U.L.

2.0 U.L.

15 U.L.

NOTES:

a) 1 Unit Load (U.L.) = 40

mA HIGH, 1.6 mA LOW.

b) Output current measured at VOUT = 0.5 V

b) The Output LOW drive factor is 15 U.L. for Commercial (74) Temperature Ranges.

HIGH

LOW

(Note a)

PIN NAMES

1234

VCC

LT BI / RBO RBI

GND

VCC = PIN 16

GND = PIN 8

7 126 35

13 12 11 10 9 15 14 4

A B C D LT RBI

BI/

RBO

SN74LS47 数据表(PDF) 2 Page - ON Semiconductor

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