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參數(shù)資料
| 型號： | 74F381 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 4-Bit Arithmetic Logic Unit |
| 中文描述： | 4位算術邏輯單元 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大小： | 82K |
| 代理商： | 74F381 |
Philips Semiconductors
Product specification
74F381
Arithmetic Logic Unit
1989 Mar 01
5
FUNCTION SELECT TABLE
SELECT
S1
L
L
H
H
L
L
H
H
MODE
S0
L
H
L
H
L
H
L
H
High voltage level
Low voltage level
S2
L
L
L
L
H
H
H
H
OPERATING
Clear
B minus A
A minus B
A Plus B
A
A + B
AB
Preset
B
H =
L
=
Table 1. 16-Bit Delay Tabulation
PATH SEGMENT
TOWARD
F
7.2ns
6.2ns
8.1ns
–
21.5ns
OUTPUT
Cn+4, OVR
7.2ns
6.2ns
–
8.0ns
21.4ns
Ai or Bi to P
Pi to Cn+i (74F182)
Cn to F
Cn to Cn+4, OVR
Total Delay
APPLICATION
A
B
Cn
SF00925
C
IN
S
F
Q
P
74F381
F0–F3
4
4
3
3
A0–A3
B0–B3
G0
P0
Cn+x
A
B
Cn
S
F
Q
P
74F381
F4–F7
4
4
3
A4–A7
B4–B7
G1
P1
Cn+y
A
B
Cn
S
F
Q
P
74F381
F8–F11
4
4
3
A8–A11
B8–B11
G2
P2
Cn+z
A
B
Cn
S
F
74F382
F12–F15
4
4
3
A12–A15
B12–B15
Cn+4
OVR
74F182
OVERFLOW
C
OUT
Cn
SELECT
Figure 1. 16-bit Look-ahead Carry ALU Expansion
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
V
IN
I
IN
V
OUT
Supply voltage
–0.5 to +7.0
V
Input voltage
–0.5 to +7.0
V
Input current
–30 to +1
mA
Voltage applied to output in High output state
–0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
40
mA
T
amb
Operating free-air temperature range
0 to +70
°
C
°
C
T
STG
Storage temperature range
–65 to +150
相關PDF資料 |
PDF描述 |
|---|---|
| 74F381PC | 4-Bit Arithmetic Logic Unit |
| 74F381SC | 4-Bit Arithmetic Logic Unit |
| 74F381SJ | 4-Bit Arithmetic Logic Unit |
| 74F381SCX | Fixed Point ALU |
| 74F381SJX | Fixed Point ALU |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74F381 WAF | 制造商:Rochester Electronics LLC 功能描述: |
| 74F381LC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| 74F381PC | 功能描述:算數(shù)邏輯單元 - ALU 4-Bit Arith Log Unit RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
| 74F381SC | 功能描述:算數(shù)邏輯單元 - ALU 4-Bit Arith Log Unit RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
| 74F381SCX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Fixed Point ALU |
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