Philips Semiconductors
Product specification
4-bit binary full adder with fast carry
74HC/HCT283
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
74HC
SYMBOL PARAMETER
UNIT
WAVEFORMS
VCC
(V)
+25
−40 to +85
−40 to +125
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
52
19
15
160
32
27
200
40
34
240
48
41
ns
ns
ns
ns
ns
ns
ns
ns
2.0
4.5
6.0
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
CIN to ∑1
t
t
t
t
PHL/ tPLH propagation delay
58
21
17
180
36
31
225
45
38
270
54
46
2.0
4.5
6.0
CIN to ∑2
PHL/ tPLH propagation delay
63
23
18
195
39
33
245
49
42
295
59
50
2.0
4.5
6.0
CIN to ∑3
PHL/ tPLH propagation delay
74
27
22
230
46
39
290
58
49
345
69
59
2.0
4.5
6.0
C
IN to ∑4
PHL/ tPLH propagation delay
69
25
20
210
42
36
265
53
45
315
63
54
2.0
4.5
6.0
An or Bn to ∑n
tPHL/ tPLH propagation delay
CIN to COUT
63
23
18
195
39
33
245
49
42
295
59
50
2.0
4.5
6.0
t
t
PHL/ tPLH propagation delay
An or Bn to COUT
63
23
18
195
39
33
245
49
42
295
59
50
2.0
4.5
6.0
THL/ tTLH output transition time
19
7
6
75
15
13
95
19
16
110
22
19
2.0
4.5
6.0
December 1990
6
NXP [ NXP ]
