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| 74HC181 Datasheet, PDF (12/20 Pages) NXP Semiconductors – 4-bit arithmetic logic unit | |||
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Philips Semiconductors
4-bit arithmetic logic unit
Product speciï¬cation
74HC/HCT181
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
â40 to +85
min. typ. max. min. max.
â40 to +125
min. max.
UNIT VCC MODE OTHER
(V)
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
propagation
delay
Cn to Cn+4
propagation
delay
Cn to Fn
propagation
delay
An to G
propagation
delay
Bn to G
propagation
delay
An to G
propagation
delay
Bn to G
propagation
delay
An to P
propagation
delay
Bn to P
propagation
delay
An to P
propagation
delay
Bn to P
propagation
delay
Ai to Fi
propagation
delay
Bi to Fi
25 42
53
28 48
60
31 54
68
32 54
68
31 54
68
31 54
68
23 41
51
24 41
51
23 40
50
23 40
50
33 58
73
34 58
73
63
ns 4.5 sum M = 0 V;
diff Fig.9;
Tables 1 and 2
72
ns 4.5 sum M = 0 V;
diff Fig.9;
Tables 1 and 2
81
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
81
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
81
ns 4.5 diff
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
81
ns 4.5 diff
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
62
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
62
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
60
ns 4.5 diff
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
60
ns 4.5 diff
M = S0 = S3 = 0 V;
S1 = S2 = 4.5 V;
Fig.8; Table 2
87
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
87
ns 4.5 sum M = S1 = S2 = 0 V;
S0 = S3 = 4.5 V;
Fig.7; Table 1
1998 Jun 10
12
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