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參數(shù)資料
| 型號(hào)： | 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)： | 1/8頁 |
| 文件大小： | 165K |
| 代理商： | 74F521 |
TL/F/9545
5
May 1995
54F/74F521
8-Bit Identity Comparator
General Description
The ’F521 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 I
A
e
B
also serves as an active LOW enable input.
Features
Y
Compares two 8-bit words in 6.5 ns typ
Y
Expandable to any word length
Y
20-pin package
Commercial
Military
Package
Number
Package Description
74F521PC
N20A
20-Lead (0.300
×
Wide) Molded Dual-In-Line
54F521DM (Note 2)
J20A
20-Lead Ceramic Dual-In-Line
74F521SC (Note 1)
M20B
20-Lead (0.300
×
Wide) Molded Small Outline, JEDEC
20-Lead (0.300
×
Wide) Molded Small Outline, EIAJ
74F521SJ (Note 1)
M20D
74F521MSA (Note 1)
MSA20
20-Lead Molded Shrink Small Outline, EIAJ type II
Note 1:
Devices also available in 13
×
reel. Use suffix
e
SCX, SJX and MSAX.
Note 2:
Military grade device with environmental and burn-in processing. Use suffix
e
DMQB.
Logic Symbols
TL/F/9545–1
IEEE/IEC
TL/F/9545–4
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M75/Printed in U. S. A.
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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: |
| 74F521DC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74F521LL | 制造商:Texas Instruments 功能描述: |
| 74F521MSA | 功能描述:校驗(yàn)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(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)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 |
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