參數(shù)資料
型號: 74F521
廠商: National Semiconductor Corporation
英文描述: 8-Bit Identity Comparator(8位相同比較器)
中文描述: 8位身份比較器(8位相同比較器)
文件頁數(shù): 2/8頁
文件大?。?/td> 165K
代理商: 74F521
Unit Loading/Fan Out
54F/74F
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
HIGH/LOW
A
0
–A
7
B
0
–B
7
I
A
e
B
O
A
e
B
Word A Inputs
Word B Inputs
Expansion or Enable Input (Active LOW)
Identity Output (Active LOW)
1.0/1.0
1.0/1.0
1.0/1.0
50/33.3
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
b
1 mA/20 mA
Truth Table
Inputs
Output
I
A
e
B
A, B
O
A
e
B
L
L
H
H
A
e
B
*
A
i
B
A
e
B
*
A
i
B
L
H
H
H
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
*
A
0
e
B
0
, A
1
e
B
1
, A
2
e
B
2
, etc.
Connection Diagrams
Pin Assignment for DIP,
SOIC, SSOP and Flatpak
TL/F/9545–2
Pin Assignment
for LCC
TL/F/9545–3
Logic Diagram
TL/F/9545–5
Please note that this diagram is provided only for the understanding of logic operations and should not be
used to estimate propagation delays.
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F521_YFH3026B WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
74F521D 制造商:NXP Semiconductors 功能描述: 制造商:FLORIDA MISC. 功能描述:
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74F521LL 制造商:Texas Instruments 功能描述:
74F521MSA 功能描述:校驗器 IC 8-Bit Identity Comp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel