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參數(shù)資料
| 型號： | 74ABT646 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quadruple D-Type Flip-Flops With Clear 16-SOIC 0 to 70 |
| 中文描述： | 八路收發(fā)器和寄存器具有三態(tài)輸出 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 97K |
| 代理商： | 74ABT646 |
www.fairchildsemi.com
2
7
Truth Table
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
=
LOW-to-HIGH Transition
Note 1:
The data output functions may be enabled or disabled by various signals at the OE 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 of the appropriate clock inputs.
Real Time Transfer
A-Bus to B-Bus
FIGURE 1.
Real Time Transfer
B-Bus to A-Bus
FIGURE 2.
Storage from
Bus to Register
FIGURE 3.
Transfer from
Register to Bus
FIGURE 4.
Inputs
Data I/O
(Note 1)
Function
OE
DIR
CPAB
CPBA
SAB
SBA
A
0
–A
7
B
0
–B
7
H
X
H or L
H or L
X
X
Isolation
H
X
X
X
X
Input
Input
Clock A
n
Data into A Register
Clock B
n
Data into B Register
A
n
to B
n
—
Real Time (Transparent Mode)
Output Clock A
n
Data into A Register
A Register to B
n
(Stored Mode)
Clock A
n
Data into A Register and Output to B
n
B
n
to A
n
—
Real Time (Transparent Mode)
Input
Clock B
n
Data into B Register
B Register to A
n
(Stored Mode)
Clock B
n
Data into B Register and Output to A
n
H
X
X
X
X
L
H
X
X
L
X
L
H
X
L
X
Input
L
H
H or L
X
H
X
L
H
X
H
X
L
L
X
X
X
L
L
L
X
X
L
Output
L
L
X
H or L
X
H
L
L
X
X
H
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ABT646_ZCF3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74ABT646AD | 功能描述:總線收發(fā)器 OCTAL REGISTERED 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 |
| 74ABT646AD,112 | 功能描述:總線收發(fā)器 OCTAL REGISTERED 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 |
| 74ABT646AD,118 | 功能描述:總線收發(fā)器 OCTAL REGISTERED 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 |
| 74ABT646ADB | 功能描述:總線收發(fā)器 OCTAL REGISTERED 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 |
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