M54HC688| Datasheet

M54HC688, M54HC688D, M54HC688K

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M54HC688
RAD-HARD 8 BIT EQUALITY COMPARATOR
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HIGH SPEED: tPD = 17ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4uA(MAX.) at TA=25 C HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 54 SERIES 688 SPACE GRADE-1: ESA SCC QUALIFIED 50 krad QUALIFIED, 100 krad AVAILABLE ON REQUEST NO SEL UNDER HIGH LET HEAVY IONS IRRADIATION DEVICE FULLY COMPLIANT WITH SCC-9209-005

DILC-20

FPC-20

ORDER CODES
PACKAGE DILC FPC FM M54HC688D M54HC688K EM M54HC688D1 M54HC688K1

DESCRIPTION The M54HC688 is an high speed CMOS 8 BIT EQUALITY COMPARATOR fabricated with silicon gate C2MOS technology.

The M54HC688 compares bit for bit two 8-bit words applied on inputs P0 - P7 and inputs Q0 Q7 and indicates whether or not they are equal. A single active low enable is provided to facilitate cascading several packages to enable comparison of words greater than 8 bits. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

PIN CONNECTION

June 2004

Rev. 1

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