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| 74HC181 Datasheet, PDF (9/20 Pages) NXP Semiconductors – 4-bit arithmetic logic unit | |||
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Philips Semiconductors
Product speciï¬cation
4-bit arithmetic logic unit
74HC/HCT181
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
â40 to +85
â40 to +125
UNIT
VCC
(V)
MODE
OTHER
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
55 165
205
Cn to Cn+4
20 33
41
16 28
35
250 ns
50
43
2.0
4.5
6.0
sum
diff
M = 0 V;
Fig.9;
Tables 1 and 2
tPHL/ tPLH propagation delay
69 200
250
Cn to Fn
25 40
50
20 34
43
300 ns
60
51
2.0
4.5
6.0
sum
diff
M = 0 V;
Fig.9;
Tables 1 and 2
tPHL/ tPLH propagation delay
72 210
265
An to G
26 42
53
21 36
45
315 ns
63
54
2.0
4.5
sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
77 230
290
Bn to G
28 46
58
22 39
49
345 ns
69
59
2.0
4.5 sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
76 215
270
An to G
26 43
54
21 37
46
320 ns
65
55
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
tPHL/ tPLH propagation delay
77 240
300
Bn to G
28 48
60
22 41
51
360 ns
72
61
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
tPHL/ tPLH propagation delay
61 185
230
An to P
22 37
46
18 31
39
280 ns
56
48
2.0
4.5 sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
63 195
245
Bn to P
23 39
49
18 33
42
295 ns
59
50
2.0
4.5 sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
55 170
215
An to P
20 34
43
16 29
37
255 ns
51
43
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
tPHL/ tPLH propagation delay
63 195
245
Bn to P
23 39
49
18 33
42
295 ns
59
50
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
tPHL/ tPLH propagation delay
77 230
290
Ai to Fi
28 46
58
22 39
49
345 ns
69
59
2.0
4.5 sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
85 255
320
Bi to Fi
31 51
64
25 43
54
385 ns
77
65
2.0
4.5 sum
6.0
M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
tPHL/ tPLH propagation delay
77 235
295
Ai to Fi
28 47
59
22 40
50
355 ns
71
60
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
tPHL/ tPLH propagation delay
83 255
320
Bi to Fi
31 51
64
24 43
54
385 ns
77
65
2.0
4.5 diff
6.0
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
1998 Jun 10
9
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