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參數(shù)資料
| 型號： | MC74F382DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-BIT ARITHMETIC LOGIC UNIT |
| 中文描述： | F/FAST SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 162K |
| 代理商： | MC74F382DW |
4-187
FAST AND LS TTL DATA
MC54/74F382
Figure 1. 16-Bit Ripple Carry ALU Expansion
SELECT
3
3
Cin
A0–A3
B0–B3
A4–A7
B4–B7
A8–A11B8–B11
A12–A15B12–B15
4
4
A
B
Cn
S
F382Cn+4
OVR
F12–F15
F0–F3
F4–F7
F8–F11
OVERFLOW
Cout
3
4
4
A
B
Cn
S
F382Cn+4
3
4
4
A
B
Cn
S
F382Cn+4
3
4
4
A
B
Cn
S
F382Cn+4
Path Segment
F
Cn + 4, OVR
Toward
Output
Ai or Bi to Cn + 4
Cn to Cn + 4
Cn to Cn + 4
Cn to F
Cn to Cn + 4, OVR
Total Delay
6.5 ns
6.3 ns
6.3 ns
8.1
—
6.5 ns
6.3 ns
6.3 ns
—
8.0 ns
27.2 ns
27.1 ns
Figure 2. 16-Bit Delay Tabulation
AC CHARACTERISTICS
Symbol
Parameter
54/74F
54F
74F
Unit
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Typ
TA = –55 to +125
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
TA = 0 to 70
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
Min
Max
Max
Max
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Propagation Delay
Cn to Fi
Propagation Delay
Any A or B to Any F
3.0
2.5
8.1
5.7
12
8.0
3.0
2.5
15
11
3.0
2.5
13
9.0
ns
4.0
3.5
10.4
8.2
15
11
4.0
3.5
18
14
4.0
3.5
16
12
ns
Propagation Delay
Si to Fi
Propagation Delay
Ai or Bi to Cn + 4
Propagation Delay
Si to OVR or Cn + 4
Propagation Delay
Cn to Cn + 4
Propagation Delay
Cn to OVR
Propagation Delay
Ai or Bi to OVR
6.0
4.0
11
8.2
15
20.5
6.0
4.0
21
23.5
6.0
4.0
16
21.5
ns
3.5
3.0
6.0
6.5
8.5
9.0
3.5
3.0
11.5
12.5
3.5
3.0
9.5
10.5
ns
7.0
4.5
12.5
9.0
16.5
12
7.0
4.5
19.5
15
7.0
4.5
17.5
13
ns
2.5
2.5
5.6
6.3
8.0
9.0
2.5
2.5
11
12
2.5
2.5
9.0
10
ns
3.5
3.5
8.0
7.1
11
10
3.5
3.5
14
13
3.5
3.5
12
11
ns
6.5
5.5
11.5
8.0
15.5
10.5
6.5
5.5
18.5
13.5
6.5
5.5
16.5
11.5
ns
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