PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCTION

1, 2, 3, 4,

5, 6, 7, 8

A/QA to

H/QH

Binary Outputs

9

CLOAD

Counter Clock Load

Input

11

RCO

Ripple Carry Output

12

CCLR

Counter Clear Input

13

CCK

Counter Clock Input

14, 15

CCKEN,

CCKEN

Counter Clock Enable

Inputs

16

RCK

Register Clock Input

17

RCKEN

Register Clock Enable

Input

18, 19

G, G

Output Enable

10

GND

Ground (0V)

20

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 (RCO)

(QA - QH)

± 20

± 35

mA

± 70

mA

Power Dissipation

500 (*)

mW

Storage Temperature

-65 to +150

Lead Temperature (10 sec)

300

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

(*) 500 mW:

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

Supply Voltage

2 to 6

V

Input Voltage

V

Output Voltage

V

Operating Temperature: M54HC Series

M74HC Series

-55 to +125

-40 to +85

Input Rise and Fall Time

0 to 1000

ns

0 to 500

0 to 400

M54/M74HC593

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