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74LVX573 Low Voltage Octal Latch with 3-STATE Outputs
June 1993
Revised April 2005
74LVX573
Low Voltage Octal Latch with 3-STATE Outputs
General Description
The LVX573 is a high-speed octal latch with buffered com-
mon Latch Enable (LE) and buffered common Output
Enable (OE) inputs. The LVX573 is functionally identical to
the LVX373 but with inputs and outputs on opposite sides
of the package. The inputs tolerate up to 7V allowing inter-
face of 5V systems to 3V systems.
Features
s
Input voltage translation from 5V to 3V
s
Ideal for low power/low noise 3.3V applications
s
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Ordering Code:
Order Number
74LVX573M
74LVX573SJ
74LVX573MTC
Package Number
M20B
M20D
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
当今的计算机外部设备，都在追求高速度和高通用性。为了满足用户的需求，以Intel为首的七家公司于1994年推出了USB（Universal Serial Bus，通用串行总线）总线协议，专用于低、中速的计算机外设。目前，USB端口已成为微机主板的标准端口；而在不久的将来，所有的微机外设，包括键盘、鼠标、显示器、打印机、数字相机、扫描仪和游戏柄等等，都将通过USB与主机相连。
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