74HC/HCT181 Philips Semiconductors (Acquired by NXP), 74HC/HCT181 Datasheet - Page 3

• Manufacturer Part Number: 74HC/HCT181
• Description: 4-bit Arithmetic Logic Unit
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
QUICK REFERENCE DATA
GND = 0 V; T
Notes
1. C
2. For HC the condition is V
1998 Jun 10
t
C
C
PHL
SYMBOL
I
PD
4-bit arithmetic logic unit
Fig.1 Pin configuration.
f
f
C
V
For HCT the condition is V
i
o
/ t
CC
PD
= input frequency in MHz
L
= output frequency in MHz
(C
PLH
= output load capacitance in pF
P
= supply voltage in V
is used to determine the dynamic power dissipation (P
L
D
= C
V
amb
CC
PD
propagation delay
input capacitance
power dissipation capacitance
per L package
2
= 25 C; t
A
C
n
V
n
f
o
or B
CC
to C
) = sum of outputs
2
PARAMETER
n
n+
to A=B
f
4
r
i
+
= t
I
I
f
= GND to V
= GND to V
= 6 ns
(C
L
V
CC
2
CC
CC
Fig.2 Logic symbol.
f
o
) where:
1.5 V
C
notes 1 and 2
L
= 15 pF; V
CONDITIONS
3
CC
D
in W):
= 5 V
28
17
3.5
90
HC
TYPICAL
Fig.3 IEC logic symbol.
A
30
21
3.5
92
74HC/HCT181
HCT
Product specification
ns
ns
pF
pF
B
UNIT