PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCTION

3

LT

Lamp Test Input (Active

LOW)

4

BI

Ripple Blanking Input

(Active LOW)

5

LE

Latch Enable Input

7, 1, 2, 6

A to D

BCD Address Inputs

13, 12, 11,

10, 9 , 15,

14

a to g

Segment Outputs

8

GND

Ground (0V)

16

Positive Supply Voltage

IEC LOGIC SYMBOL

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage

-0.5 to +7

V

DC Input Voltage

V

DC Output Voltage

V

DC Input Diode Current

± 20

mA

DC Output Diode Current

± 20

mA

DC Output Source Sink Current Per Output Pin

-35/25

mA

+150/-50

mA

Power Dissipation

500 (*)

mW

Storage Temperature

-65 to +150

Lead Temperature (10 sec)

300

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.

(*) 500 mW:

INPUT AND OUTPUT EQUIVALENT CIRCUIT

M54/M74HC4511

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