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參數(shù)資料
| 型號： | 74AC521 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 8-Bit Identity Comparator |
| 中文描述： | 8位身份比較 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | 74AC521 |
1999 Fairchild Semiconductor Corporation
DS009964
www.fairchildsemi.com
November 1988
Revised November 1999
74AC521
74ACT521
8-Bit Identity Comparator
General Description
The AC/ACT521 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
=
B
also serves as an active LOW enable
input.
Features
I
I
CC
reduced by 50%
I
Compares two 8-bit words in 6.5 ns typ
I
Expandable to any word length
I
20-pin package
I
Outputs source/sink 24 mA
I
ACT521 has TTL-compatible inputs
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering table.
Logic Symbols
IEEE/IEC
Connection Diagram
Pin Descriptions
FACT
is a trademark of Fairchild Semiconductor Corporation.
Order Number
74AC521SC
74AC521SJ
74AC521PC
74ACT521SC
74ACT521SJ
74ACT521PC
Package Number
M20B
M20D
N20A
M20B
M20D
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300
”
Wide Body
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300
”
Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300
”
Wide Body
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300
”
Wide
Pin Names
Description
A
0
–
A
7
B
0
–
B
7
T
A
=
B
O
A
=
B
Word A Inputs
Word B Inputs
Expansion or Enable Input
Identity Output
相關PDF資料 |
PDF描述 |
|---|---|
| 74AC521PC | 8-Bit Identity Comparator |
| 74AC521SC | 8-Bit Identity Comparator |
| 74AC521SJ | 8-Bit Identity Comparator |
| 74ACT138MTR | 3 TO 8 LINE DECODER (INVERTING) |
| 74ACT138M | 3 TO 8 LINE DECODER (INVERTING) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74AC521MTC | 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 74AC521MTCX | 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 74AC521PC | 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 74AC521PC_Q | 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 74AC521SC | 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 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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