PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCTION

1, 2, 3

A, B, C

Address Inputs

4, 5, 6, 7, 9,

10, 11, 12

Q0 to Q7

Latch Outputs

13

D

Data Input

14

ENABLE

Latch Enable Input

(Active LOW)

15

CLEAR

Conditional Reset Input

(Active LOW)

8

GND

Ground (0V)

16

Positive Supply Voltage

INPUT AND OUTPUT EQUIVALENT CIRCUIT

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

± 25

mA

± 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:

M54/M74HC259

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