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參數(shù)資料
| 型號： | DM74ALS646 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Octal 3-STATE Bus Transceiver and Register(八總線收發(fā)器和寄存器（三態(tài)輸出）) |
| 中文描述： | 八路三態(tài)總線收發(fā)器和寄存器（八總線收發(fā)器和寄存器（三態(tài)輸出）） |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 56K |
| 代理商： | DM74ALS646 |
www.fairchildsemi.com
2
D
Connection Diagram
Function Table
H
=
HIGH Logic Level
L
=
LOW Logic Level
X
=
Don’t Care (Either LOW or HIGH Logic Levels including transitions)
H/L
=
Either LOW or HIGH Logic Level excluding transitions
↑
=
Positive going edge of pulse
Note 1:
The data output functions may be enabled or disabled by various signals at the G and DIR inputs. Data input functions are always enabled, i.e., data
at the bus pins will be stored on every LOW-to-HIGH transition on the clock inputs.
Logic Diagram
Inputs
Data I/O (Note 1)
Operation or Function
G
X
X
H
H
L
L
L
L
DIR
X
X
X
X
L
L
H
H
CAB CBA SAB SBA
↑
X
X
↑
↑
↑
H/L
H/L
X
X
X
H/L
X
X
H/L
X
A1 thru A8
Input
Not Specified
Input
Input
Output
Output
Input
Input
B1 thru B8
Not Specified Store A, B Unspecified
Input
Store B, A Unspecified
Input
Store A and B Data
Input
Isolation, Hold Storage
Input
Real-Time B Data to a Bus
Input
Stored B Data to a Bus
Output
Real-Time A Data to B Bus
Output
Stored A Data to B Bus
X
X
X
X
X
X
L
H
X
X
X
X
L
H
X
X
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PDF描述 |
|---|---|
| DM74ALS646WM | Octal 3-STATE Bus Transceiver and Register |
| DM74ALS646NT | Octal 3-STATE Bus Transceiver and Register |
| DM74ALS652-01 | Octal 3-STATE Bus Transceiver and Register |
| DM74ALS652 | Octal 3-STATE Bus Transceiver and Register(八總線收發(fā)器和寄存器（三態(tài)輸出）) |
| DM74ALS652NT | 10-Bit Buffer/Driver With 3-State Outputs 24-SOIC -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74ALS646NT | 功能描述:總線收發(fā)器 Oct 3-STATE Tran Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| DM74ALS646NT_Q | 功能描述:總線收發(fā)器 Oct 3-STATE Tran Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| DM74ALS646WM | 功能描述:總線收發(fā)器 Oct 3-STATE Tran Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| DM74ALS646WMX | 功能描述:總線收發(fā)器 Oct 3-STATE Tran Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| DM74ALS646WMX | 制造商:Fairchild Semiconductor Corporation 功能描述:IC UNIVERSAL BUS FUNCTIONS LOGIC ROHS C |
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