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Standard ICs
Single inverter
BU4SU69
The BU4SU69 is an ultra-compact IC with one circuit of the bufferless inverter, BU4069UB, built into the SMP pack-
age. The single-stage gate configuration enables a short propagation time.
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Features
1) Low current dissipation.
2) Super-mini mold package designed for surface
mounting.
3) Wide range of operating power supply voltage.
4) Direct drive of 2 L-TTL inputs and 1 LS-TTL input.
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Block diagram
54
123
VDD Y
NC A VSS
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Absolute maximum ratings (Ta = 25°C)
Parameter Symbol Limits Unit
Power supply voltage VDD VSS – 0.3 ~ VSS + 18 V
Power dissipation Pd 170 mW
Input current IIN – 10 mA
Operating temperature Topr – 40 ~ + 85 °C
Storage temperature Tstg – 55 ~ + 150 °C
Input voltage VIN VSS – 0.3 ~ VDD + 0.3 V

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1 These values indicate the range limits of the voltage that can be applied to each pin without
destroying it. Operation is not guaranteed at these values.

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2 Power dissipation is reduced by 1.7mW for each increase in Ta of 1°C over 25°C.
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Recommended operating conditions (Ta = 25°C, VSS = 0V)
Parameter Symbol Min. Typ. Max. Unit
Power supply voltage VDD 3 — 16 V
Input voltage VIN 0 — VDD V