參數(shù)資料
型號: 74HC182
廠商: NXP Semiconductors N.V.
英文描述: Look-ahead carry generator
中文描述: 前瞻攜帶發(fā)電機(jī)
文件頁數(shù): 6/9頁
文件大?。?/td> 68K
代理商: 74HC182
December 1990
6
Philips Semiconductors
Product specification
Look-ahead carry generator
74HC/HCT182
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
P
n
to P
30
14
11
55
20
16
47
17
14
47
17
14
44
16
13
41
15
12
19
7
6
120
24
20
170
34
29
145
29
25
145
29
25
135
27
23
135
27
23
75
15
13
150
30
26
215
43
37
180
36
31
180
36
31
170
34
29
170
34
29
95
19
16
180
36
31
255
51
43
220
44
38
220
44
38
205
41
35
205
41
35
110
22
19
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.6
t
PHL
/ t
PLH
propagation delay
C
n
to any output
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
P
n
to G
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
P
n
to C
n
+
n
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
G
n
to C
n
+
n
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
G
n
to G
ns
Fig.6
t
THL
/ t
TLH
output transition time
ns
Fig.6
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