參數(shù)資料
型號: 74LVT646
廠商: NXP Semiconductors N.V.
英文描述: 3.3V Octal bus transceiver/register 3-State
中文描述: 3.3V的八路總線收發(fā)器/寄存器三態(tài)
文件頁數(shù): 4/14頁
文件大?。?/td> 109K
代理商: 74LVT646
Philips Semiconductors
Product specification
74LVT646
3.3V Octal bus transceiver/register (3-State)
1998 Feb 19
4
}
REAL TIME BUS TRANSFER
BUS B TO BUS A
OE
L
DIR CPAB CPBA SAB
L
X
SBA
L
X
X
}
REAL TIME BUS TRANSFER
BUS A TO BUS B
OE
L
DIR CPAB CPBA SAB
H
X
SBA
X
X
L
}
STORAGE FROM
A, B, OR A AND B
OE
L
L
H
DIR CPAB CPBA SAB
H
L
X
X
SBA
X
X
X
X
X
X
X
}
TRANSFER STORED DATA
TO A OR B
OE
L
L
DIR CPAB CPBA SAB
L
X
H
H or L
SBA
H
X
H or L
X
X
H
A
A
A
A
B
B
B
B
SV00049
FUNCTION TABLE
INPUTS
DATA I/O
OPERATING MODE
OE
DIR
CPAB
CPBA
SAB
SBA
An
Bn
X
X
X
X
X
Input
Unspecified
output*
Store A, B unspecified
X
X
X
X
X
Unspecified
output*
Input
Store B, A unspecified
H
H
X
X
H or L
H or L
X
X
X
X
Input
Input
Store A and B data
Isolation, hold storage
L
L
L
L
X
X
X
H or L
X
X
L
H
Output
Input
Real time B data to A bus
Stored B data to A bus
L
L
H
H
X
H or L
X
X
L
H
X
X
Input
Output
Real time A data to B bus
Stored A data to B bus
H =
L
X =
=
*
High voltage level
Low voltage level
Don’t care
Low-to-High clock transition
The data output function may be enabled or disabled by various signals at the OE input. Data input functions are always enabled, i.e.,
data at the bus pins will be stored on every Low-to-High transition of the clock.
=
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LVT646D 功能描述:總線收發(fā)器 3.3V OCTAL REG XCVR 3-S 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(shí)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
74LVT646D,112 功能描述:總線收發(fā)器 3.3V OCTAL REG XCVR 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(shí)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
74LVT646D,118 功能描述:總線收發(fā)器 3.3V OCTAL REG XCVR 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(shí)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
74LVT646DB 功能描述:總線收發(fā)器 3.3V OCTAL REG XCVR 3-S 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(shí)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
74LVT646DB,112 功能描述:總線收發(fā)器 3.3V OCTAL REG XCVR 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(shí)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