参数资料
型号: SN74LVC574AQDWREP
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 2/9页
文件大小: 247K
代理商: SN74LVC574AQDWREP
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
OE
CLK
1D
1Q
To Seven Other Channels
C1
1
11
2
19
1D
SN74LVC574A-EP
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCAS750A – DECEMBER 2003 – REVISED AUGUST 2005
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of thIs device as a translator in
a mixed 3.3-V/5-V system environment.
FUNCTION TABLE
(EACH FLIP-FLOP)
INPUTS
OUTPUT
Q
OE
CLK
D
L
H
L
L
X
Q0
H
X
Z
LOGIC DIAGRAM (POSITIVE LOGIC)
2
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