HD74LS47FPEL 查看數據表（PDF） - Renesas Electronics

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HD74LS47FPEL

BCD-to-Seven-Segment Decoder / Driver (with 15 V Outputs)

Renesas Electronics 

HD74LS47

Block Diagram

a

A

b

B

Inputs

C

c

D

Blanking Input or

Ripple Blanking

Output (BI/RBO)

Outputs

d

e

f

Lamp Test

Input (LT)

Ripple Blanking

g

Input (RBI)

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

7

V

Input voltage

VIN

7

V

Output current

(tw ≤ 1ms,duty cycle ≤ 10%)

IO(peak)

200

mA

Output current (off)

IO(off)

1

mA

Power dissipation

Operating temperature

PT

400

mW

Tupr

–20 to +75

°C

Storage temperature

Tstg

–65 to +150

°C

Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.

Rev.3.01, May 10, 2006, page 3 of 6

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