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March 2004

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HIGH SPEED:

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LOW POWER DISSIPATION:

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HIGH NOISE IMMUNITY:

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SYMMETRICAL OUTPUT IMPEDANCE:

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BALANCED PROPAGATION DELAYS:

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WIDE OPERATING VOLTAGE RANGE:

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PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 164

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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-9306-041

DESCRIPTION

The M54HC164 is an high speed CMOS 8 BIT

SIPO SHIFT REGISTER fabricated with silicon

The M54HC164 is an 8 bit shift register with serial

data entry and an output from each of the eight

stages. Data is entered serially through one of two

inputs (A or B), either of these inputs can be used

as an active high enable for data entry through the

other input. An unused input must be high, or both

inputs connected together. Each low-to-high

transition on the clock inputs shifts data one place

to the right and enters into QA the logic NAND of

the two data inputs (A x B), the data that existed

before the rising clock edge. A low level on the

clear input overrides all other inputs and clears the

register asynchronously, forcing all Q outputs low.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

M54HC164

RAD-HARD 8 BIT SIPO SHIFT REGISTER

PIN CONNECTION

ORDER CODES

PACKAGE

FM

EM

DILC

M54HC164D

M54HC164D1

FPC

M54HC164K

M54HC164K1

DILC-14

FPC-14