參數(shù)資料
型號: 74LVTH162373MTX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
中文描述: LVT SERIES, DUAL 8-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝: 6.10 MM, MO-153, TSSOP-48
文件頁數(shù): 2/7頁
文件大?。?/td> 78K
代理商: 74LVTH162373MTX
www.fairchildsemi.com
2
7
Connection Diagram
Pin Descriptions
Truth Tables
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
HIGH Impedance
O
o
=
Previous output prior to HIGH-to-LOW transition of LE
Functional Description
The LVTH162373 contains sixteen D-type latches with 3-STATE standard outputs. The device is byte controlled with each
byte functioning identically, but independent of the other. Control pins can be shorted together to obtain full 16-bit operation.
The following description applies to each byte. When the Latch Enable (LE
n
) input is HIGH, data on the D
n
enters the
latches. In this condition the latches are transparent, i.e, a latch output will change states each time its D input changes.
When LE
n
is LOW, the latches store information that was present on the D inputs a setup time preceding the HIGH-to-LOW
transition of LE
n
. The 3-STATE standard outputs are controlled by the Output Enable (OE
n
) input. When OE
n
is LOW, the
standard outputs are in the 2-state mode. When OE
n
is HIGH, the standard outputs are in the high impedance mode but
this does not interfere with entering new data into the latches.
Pin Names
Description
OE
n
LE
n
I
0
–I
15
O
0
–O
15
Output Enable Input (Active LOW)
Latch Enable Input
Inputs
3-STATE Outputs
Inputs
Outputs
LE
1
OE
1
I
0
–I
7
O
0
–O
7
X
H
X
Z
H
L
L
L
H
L
H
H
L
L
X
O
o
Inputs
Outputs
LE
2
OE
2
I
8
–I
15
O
8
–O
15
X
H
X
Z
H
L
L
L
H
L
H
H
L
L
X
O
o
相關(guān)PDF資料
PDF描述
74LVTH240MTCX_NL Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
74LVTH240 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
74LVTH240MSA 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC -40 to 85
74LVTH240MSAX 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-PDIP -40 to 85
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