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參數(shù)資料
| 型號(hào)： | CD74ACT283M96E4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 4-Bit Binary Fill Adder With Fast Carry |
| 中文描述： | 4位二進(jìn)制加法器與快速填充卡里 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 264K |
| 代理商： | CD74ACT283M96E4 |
4
Switching Specifications
Input t
r
, t
f
= 3ns, C
L
= 50pF (Worst Case)
PARAMETER
SYMBOL
V
CC
(V)
-40
o
C TO 85
o
C
-55
o
C TO 125
o
C
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
AC TYPES
Propagation Delay,
An or Bn to C
OUT
C
IN
to Sn
C
IN
to C
OUT
t
PLH
, t
PHL
1.5
-
-
199
-
-
219
ns
3.3
(Note 9)
6.3
-
22.4
6.2
-
24.6
ns
5
(Note 10)
4.5
-
16
4.4
-
17.6
ns
Propagation Delay,
An or Bn to Sn
t
PLH
, t
PHL
1.5
-
-
207
-
-
228
ns
3.3
6.6
-
23.2
6.4
-
25.5
ns
5
4.7
-
16.5
4.6
-
18.2
ns
Input Capacitance
C
I
-
-
-
10
-
-
10
pF
Power Dissipation Capacitance
C
PD
(Note 11)
-
-
120
-
-
120
-
pF
ACT TYPES
Propagation Delay,
An or Bn to C
OUT
C
IN
to Sn
C
IN
to C
OUT
t
PLH
, t
PHL
5
(Note 10)
4.5
-
16
2.7
-
17.6
ns
Propagation Delay,
An or Bn to Sn
t
PLH
, t
PHL
5
4.7
-
16.5
3.3
-
18.2
ns
Input Capacitance
C
I
-
-
-
10
-
-
10
pF
Power Dissipation Capacitance
C
PD
(Note 11)
-
-
120
-
-
120
-
pF
NOTES:
8. Limits tested 100%.
9. 3.3V Min is at 3.6V, Max is at 3V.
10. 5V Min is at 5.5V, Max is at 4.5V.
11. C
PD
is used to determine the dynamic power consumption per function.
AC: P
D
= V
CC2
f
i
(C
PD
+ C
L
)
ACT: P
D
= V
CC2
f
i
(C
PD
+ C
L
) + V
CC
I
CC
where f
i
= input frequency, C
L
= output load capacitance, V
CC
= supply voltage.
FIGURE 1. PROPAGATION DELAY TIMES
INPUT
t
r
≤
3ns
t
f
≤
3ns
INPUT LEVEL
90%
10%
GND
V
S
V
S
t
PLH
t
PHL
INVERTING
OUTPUT
DUT
OUTPUT
R
L
(NOTE)
500
OUTPUT
LOAD
C
L
50pF
NOTE: For AC Series Only: When V
CC
= 1.5V, R
L
= 1k
.
FIGURE 2. PROPAGATION DELAY TIMES
AC
ACT
Input Level
V
CC
3V
Input Switching Voltage, V
S
0.5 V
CC
1.5V
Output Switching Voltage, V
S
0.5 V
CC
0.5 V
CC
CD54/74AC283, CD54/74ACT283
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