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74HC181D 데이터시트(PDF) 3 Page - NXP Semiconductors

부품명 74HC181D
상세설명  4-bit arithmetic logic unit
PDF  20 Pages
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제조업체  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC181D 데이터시트(HTML) 3 Page - NXP Semiconductors

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1998 Jun 10
3
Philips Semiconductors
Product specification
4-bit arithmetic logic unit
74HC/HCT181
QUICK REFERENCE DATA
GND = 0 V; Tamb =25 °C; tr =tf =6ns
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW):
PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC − 1.5 V
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
tPHL/ tPLH
propagation delay
CL = 15 pF; VCC =5V
An or Bn to A=B
28
30
ns
Cn to Cn+417
21
ns
CI
input capacitance
3.5
3.5
pF
CPD
power dissipation capacitance
per L package
notes 1 and 2
90
92
pF
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
A
B



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