M54HC590 datasheet(1/16 Pages) STMICROELECTRONICS

Part #	M54HC590

Description	RAD-HARD 8 BINARY COUNTER REGISTER WITH 3 STATE OUTPUT

PDF	16 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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June 2004

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HIGH SPEED:

fMAX =61MHz (TYP.) at VCC =6V

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LOW POWER DISSIPATION:

ICC =4µA(MAX.) at TA=25°C

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HIGH NOISE IMMUNITY:

VNIH =VNIL = 28% VCC (MIN.)

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SYMMETRICAL OUTPUT IMPEDANCE:

|IOH|= IOL =6mA (MIN) for QA ~ QH OUTPUT

|IOH|= IOL = 4mA (MIN) for RCO OUTPUT

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BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

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WIDE OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 6V

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PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 590

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SPACE GRADE-1: ESA SCC QUALIFIED

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50 krad QUALIFIED, 100 krad AVAILABLE ON

REQUEST

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NO SEL UNDER HIGH LET HEAVY IONS

IRRADIATION

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DEVICE FULLY COMPLIANT WITH

SCC-9204-071

DESCRIPTION

The M54HC590 is an high speed CMOS 8-BIT

BINARY

COUNTER

REGISTER

(3

STATE)

fabricated with silicon gate C2MOS technology.

This device contains an 8-bit binary counter that

feeds an 8-bit storage register. The storage

register has parallel outputs. Separate clocks are

provided for both the binary counter and storage

register. The binary counter features a direct clear

input CCLR and a count enable input CCKEN.For

cascading, a ripple carry output RCO is provided.

Expansion is easily accomplished by tying RCO of

the first stage to CCKEN of the second stage, etc.

Both the counter and register clocks are positive

edge triggered. If the user wishes to connect both

clocks together, the counter state will always be

one count ahead of the register. Internal circuitry

prevents clocking from the clock enable. All inputs

are equipped with protection circuits against static

discharge and transient excess voltage.

M54HC590

RAD-HARD 8 BINARY COUNTER REGISTER

WITH 3 STATE OUTPUT

PIN CONNECTION

ORDER CODES

PACKAGE

FM

EM

DILC

M54HC590D

M54HC590D1

FPC

M54HC590K

M54HC590K1

Rev. 1

DILC-16

FPC-16

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