參數(shù)資料
型號： 74HCT181D
廠商： NXP SEMICONDUCTORS
元件分類： 通用總線功能
英文描述： 4-bit arithmetic logic unit
中文描述： HCT SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDSO24
封裝： PLASTIC, SOT-108, SO-24
文件頁數(shù)： 12/20頁
文件大?。?/td> 165K
代理商： 74HCT181D
1998 Jun 10
12
Philips Semiconductors
Product specification
4-bit arithmetic logic unit
74HC/HCT181
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
MODE OTHER
+25
40 to +85
40 to +125
min. typ. max
.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation
delay
C
n
to C
n+4
propagation
delay
C
n
to F
n
propagation
delay
A
n
to G
propagation
delay
B
n
to G
propagation
delay
A
n
to G
propagation
delay
B
n
to G
propagation
delay
A
n
to P
propagation
delay
B
n
to P
propagation
delay
A
n
to P
propagation
delay
B
n
to P
propagation
delay
A
i
to F
i
propagation
delay
B
i
to F
i
25
42
53
63
ns
4.5
sum
diff
M = 0 V;
Fig.9;
Tables 1 and 2
M = 0 V;
Fig.9;
Tables 1 and 2
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
M = S
0
= S
3
= 0 V;
S
1
= S
2
= 4.5 V;
Fig.8; Table 2
M = S
0
= S
3
= 0 V;
S
1
= S
2
= 4.5 V;
Fig.8; Table 2
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
M = S
0
= S
3
= 0 V;
S
1
= S
2
= 4.5 V;
Fig.8; Table 2
M = S
0
= S
3
= 0 V;
S
1
= S
2
= 4.5 V;
Fig.8; Table 2
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
M = S
1
= S
2
= 0 V;
S
0
= S
3
= 4.5 V;
Fig.7; Table 1
t
PHL
/ t
PLH
28
48
60
72
ns
4.5
sum
diff
t
PHL
/ t
PLH
31
54
68
81
ns
4.5
sum
t
PHL
/ t
PLH
32
54
68
81
ns
4.5
sum
t
PHL
/ t
PLH
31
54
68
81
ns
4.5
diff
t
PHL
/ t
PLH
31
54
68
81
ns
4.5
diff
t
PHL
/ t
PLH
23
41
51
62
ns
4.5
sum
t
PHL
/ t
PLH
24
41
51
62
ns
4.5
sum
t
PHL
/ t
PLH
23
40
50
60
ns
4.5
diff
t
PHL
/ t
PLH
23
40
50
60
ns
4.5
diff
t
PHL
/ t
PLH
33
58
73
87
ns
4.5
sum
t
PHL
/ t
PLH
34
58
73
87
ns
4.5
sum
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