ST M74HC592 User Manual

M74HC592

8 BIT REGISTER BINARY COUNTER

■ HIGH SPEED:

f

= 53 MHz (TYP.) at VCC = 6V

MAX

■ LOW POWER DISSIPATION:

I

= 4µA(MAX.) at TA=25°C

CC

■ HIGH NOISE IMMUNITY:

V

= V

NIH

■ SYMMETRICAL OUTPUT IMPEDANCE:

|I

| = IOL = 4mA (MIN)

OH

■ BALANCED PROPAGATION DELAYS:

t

≅ t

PLH

■ WIDE OPERATING VOLTAGE RANGE:

V

(OPR) = 2V to 6V

CC

■ PIN AND FUNCTION COMPATIBLE WITH

= 28 % VCC (MIN.)

NIL

PHL

74 SERIES 592

DESCRIPTION

The M74HC592 is a n high speed CMOS 8-BIT REGISTER COUNTER fabricated with silicon gate C

2

MOS technology. The M74HC592 is a parallel input, 8 bit storage register feeding an 8 bit binary counter. Both t he register and the counter have individual positive edge triggered clock. In addition, the counter has

TSSOPDIP SOP

ORDER CODES

PACKAGE TUBE T & R

DIP M74HC592B1R

SOP M74HC592M1R M74HC592RM13TR

TSSOP M74HC592TTR

direct load and clear functions. Expansion is easily accomplished by connecting RCO

at the first stage to the count enable of the second stage. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

1/14August 2001

M74HC592

INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN No SYMBOL NAME AND FUNCTION

1 to 7, 15 A to H Data Inputs

9RCO 10 CCLR 11 CCK Counter Clock Input 12 CCKEN

13 RCK Register Clock Input 14 CLOAD

8 GND Ground (0V) 16 V

TRUTH TABLE

CC

Ripple Carry Output Counter Clear Input

Counter Clock Enable Input

Counter Load Input

Positive Supply Voltage

INPUTS

OUTPUT

RCK CLOAD

CCLR CCKEN CCK

x L H X X REGISTER DATA IS LOADED INTO COUNTER x H L X X COUNTER CLEA R

H H X X THE DATA OF A THRU H INPUTS IS STORED INTO REGISTER

H H X X REGISTER STATE IS NOT CHANGED X H H L COUNTER ADVANCES THE COUNT X H H L NO COUNT

X H H H X NO COUNT

X: Don’t Care RCO

= QA’·QB’·QC’· QD’ ·QE’·Q F’·Q G’·Q H’ (QA’ to QH’ : INTERNAL OUTPUTS OF THE COUNTER)

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LOGIC DIAGRAM

M74HC592

This log i c diagram has not be used to esti m ate propagation delays

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M74HC592

TIMING CHART

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

I

OK

I

or I

CC

P

T

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65

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Supply Voltage

CC

DC Input Voltage -0.5 to VCC + 0.5

I

DC Output Voltage -0.5 to VCC + 0.5

O

DC Input Diode Current

IK

DC Output Diode Current DC Output Current

O

DC VCC or Ground Current

GND

Power Dissipation

D

Storage Temperature

stg

Lead Temperature (10 sec)

L

°C; derate to 300mW by 10mW/°C from 65°C to 85°C

-0.5 to +7 V V V

± 20 mA ± 20 mA ± 25 mA ± 50 mA

500(*) mW

-65 to +150 °C

300 °C

M74HC592

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

T

t

r

DC SPECIFICATIONS

Symbol Parameter

V

IH

V

IL

V

OH

V

OL

I

CC

Supply Voltage

CC

Input Voltage 0 to V

I

Output Voltage 0 to V

O

Operating Temperature

op

Input Rise and Fall Time VCC = 2.0V

, t

f

V V

CC CC

= 4.5V = 6.0V

Test Condition Value

= 25°C

T

A

Min. Typ. Max. Min. Max. Min. Max.

High Level Input

V

CC

(V)

2.0 1.5 1.5 1.5

Voltage

6.0 4.2 4.2 4.2

Low Level Input

2.0 0.5 0.5 0.5

Voltage

6.0 1.8 1.8 1.8

High Level Output Voltage

Low Level Output Voltage

Input Leakage Current

Quiescent Supply Current

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

IO=-20 µA I

=-20 µA

O

I

=-20 µA

O

I

=-4.0 mA

O

I

=-5.2 mA

O

IO=20 µA I

=20 µA

O

I

=20 µA

O

I

=4.0 mA

O

I

=5.2 mA

O

= VCC or GND

V

I

= VCC or GND

V

I

1.9 2.0 1.9 1.9

4.4 4.5 4.4 4.4

5.9 6.0 5.9 5.9

4.18 4.31 4.13 4.10

5.68 5.8 5.63 5.60

0.0 0.1 0.1 0.1

0.17 0.26 0.33 0.40

0.18 0.26 0.33 0.40 ± 0.1 ± 1 ± 1 µA

44080µA

2 to 6 V

CC CC

-55 to 125 °C

0 to 1000 ns

0 to 500 ns 0 to 400 ns

-40 to 85°C -55 to 125°C

V V

Unit

V4.5 3.15 3.15 3.15

V4.5 1.35 1.35 1.35

V

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