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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 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 68K |
| 代理商： | 74HC182 |
December 1990
7
Philips Semiconductors
Product specification
Look-ahead carry generator
74HC/HCT182
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
Note to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
INPUT
UNIT LOAD COEFFICIENT
G
0
, G
1
, P
0
, P
1
, P
2
G
3
G
2
, P
3
, C
n
1.50
0.30
1.25
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
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
propagation delay
C
n
to any output
propagation delay
P
n
to G
propagation delay
P
n
to C
n
+
n
propagation delay
G
n
to C
n
+
n
, G
n
to G
output transition time
17
28
35
42
ns
4.5
Fig.6
t
PHL
/ t
PLH
26
43
54
65
ns
4.5
Fig.6
t
PHL
/ t
PLH
20
33
41
50
ns
4.5
Fig.6
t
PHL
/ t
PLH
20
33
41
50
ns
4.5
Fig.6
t
PHL
/ t
PLH
18
32
40
48
ns
4.5
Fig.6
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.6
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|---|---|
| 74HCT190 | Presettable synchronous BCD decade up/down counter |
| 74HC190 | Presettable synchronous BCD decade up/down counter |
| 74HC190D | Presettable synchronous BCD decade up/down counter |
| 74HC190DB | Presettable synchronous BCD decade up/down counter |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC190 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up/Down Counter |
| 74HC190N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
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