M54HC540| Datasheet

M54HC540, M54HC540K, M54HC540K1

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M54HC540
RAD-HARD OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
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HIGH SPEED: tPD = 9ns (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 = 6mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 54 SERIES 540 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-9401-049

DILC-20

FPC-20

ORDER CODES
PACKAGE DILC FPC FM M54HC540D M54HC540K EM M54HC540D1 M54HC540K1

DESCRIPTION The 54HC540 is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with silicon C2MOS technology. The M54HC541 is an inverting buffer.

The 3-STATE control gate operates as a two input AND such that if either G1 and G2 are high, all eight output are in the high impedance state. In order to enhance PC board layout the M54HC540 offer a pinout having inputs and outputs on opposite sides of the package. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

PIN CONNECTION

May 2004

Rev. 1

1/11