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參數資料
型號: MC74AC521DW
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: 8-BIT IDENTITY COMPARATOR
中文描述: AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20
封裝: PLASTIC, SOIC-20
文件頁數: 1/6頁
文件大小: 180K
代理商: MC74AC521DW
5-1
FACT DATA
The MC74AC521/74ACT521 is an expandable 8-bit comparator. It
compares two words of up to eight bits each and provides a LOW output when
the two words match bit for bit. The expansion input IA=B also serves as an
active LOW enable input.
Compares Two 8-Bit Words in 6.5 ns Typ
Expandable to Any Word Length
20-Pin Package
Outputs Source/Sink 24 mA
ACT521 has TTL-Compatible Inputs
19
20
18
17
16
15
14
2
1
3
4
5
6
7
VCC
13
8
12
9
11
10
OA=B
B7
A7
B6
A6
B5
A5
B4
A4
IA=B
A0
B0
A1
B1
A2
B2
A3
B3
GND
PIN NAMES
A0–A7
B0–B7
IA=B
OA=B
Word A Inputs
Word B Inputs
Expansion or Enable Input
Identity Output
TRUTH TABLE
Inputs
Outputs
IA=B
L
L
H
H
A, B
OA=B
L
H
H
H
A = B*
A
B
A = B*
A
B
H = HIGH Voltage Level
L = LOW Voltage Level
*A0=B0, A1=B1, A2=B2, etc.
8-BIT IDENTITY
COMPARATOR
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
LOGIC SYMBOL
B7A7B6A6B5A5B4A4B3A3B2A2B1A1B0A0
IA=B
OA=B
相關PDF資料
PDF描述
MC74AC521N 8-BIT IDENTITY COMPARATOR
MC74ACT521N 8-BIT IDENTITY COMPARATOR
MC74ACT533DW OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74AC533DW OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74AC533N OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
相關代理商/技術參數
參數描述
MC74AC521N 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:8-BIT IDENTITY COMPARATOR
MC74AC533 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74AC533DW 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74AC533M 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74AC533N 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
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