74HC/HCT181 Philips Semiconductors (Acquired by NXP), 74HC/HCT181 Datasheet - Page 7

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

Philips Semiconductors
Table 1 SUM MODE TEST
Function inputs S
Table 2 DIFFERENTIAL MODE TEST
Function inputs S
Table 3 LOGIC MODE TEST
Function inputs M = S
1998 Jun 10
PARAMETER
t
t
t
t
t
t
t
t
t
PARAMETER
t
t
t
t
t
t
t
t
t
t
t
PARAMETER
t
t
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLZ
PLZ
PLH
PLH
PLH
PLH
PLH
4-bit arithmetic logic unit
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
PZL
PZL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
A
B
A
B
A
B
A
B
C
A
B
A
B
A
B
A
B
A
B
C
A
B
0
1
UNDER
UNDER
UNDER
INPUT
INPUT
INPUT
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
i
n
n
TEST
TEST
TEST
= S
= S
1
3
2
= S
= 4.5 V, M = S
= 4.5 V, M = S
2
B
A
B
A
none
none
none
none
none
none
A
none
A
B
none
none
A
B
none
none
B
A
OTHER INPUT, SAME BIT
OTHER INPUT, SAME BIT
OTHER INPUT, SAME BIT
Apply 4.5 V
Apply 4.5 V
= 4.5 V, S
Apply 4.5 V
i
i
i
i
i
i
i
i
i
i
i
1
0
0
= S
= S
= S
none
none
none
none
B
A
B
A
none
B
none
B
none
none
A
B
none
none
A
none
none
none
Apply GND
Apply GND
2
3
3
Apply GND
i
i
i
i
i
i
i
i
i
= 0 V
= 0 V
= 0 V
remaining A and B
remaining A and B
none
none
remaining B
remaining B
remaining B
remaining B
all A
remaining A
remaining A
none
none
none
none
remaining A
remaining A
none
none
all A and B
none
none
7
Apply 4.5 V
Apply 4.5 V
Apply 4.5 V
OTHER DATA INPUTS
OTHER DATA INPUTS
OTHER DATA INPUTS
C
C
remaining A and B, C
remaining A and B, C
remaining A, C
remaining A, C
remaining A, C
remaining A, C
all B
remaining B, C
remaining B, C
remaining A and B, C
remaining A and B, C
remaining A and B, C
remaining A and B, C
remaining B, C
remaining B, C
remaining A and B, C
remaining A and B, C
none
remaining A and B, C
remaining A and B, C
n
n
Apply GND
Apply GND
Apply GND
n
n
n
n
n
n
n
n
74HC/HCT181
Product specification
n
n
n
n
n
n
n
n
n
n
F
F
P
P
G
G
C
C
any F or C
F
F
P
P
G
G
A=B
A=B
C
C
any F or C
F
F
i
i
i
i
i
i
n+4
n+4
n+4
n+4
OUTPUT
OUTPUT
OUTPUT
UNDER
UNDER
UNDER
TEST
TEST
TEST
n+4
n+4