參數(shù)資料
型號: SN74AUCH16374DGGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AUC SERIES, DUAL 8-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝: GREEN, PLASTIC, TSSOP-48
文件頁數(shù): 8/15頁
文件大?。?/td> 466K
代理商: SN74AUCH16374DGGR
www.ti.com
DESCRIPTION/ORDERING INFORMATION(CONTINUED)
GQL PACKAGE
(TOP VIEW)
A
B
C
D
E
F
G
H
J
K
1
2
3
4
5
6
SN74AUCH16374
16-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCES404D – JULY 2002 – REVISED MAY 2005
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.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
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.
TERMINAL ASSIGNMENTS(1)
1
2
3
4
5
6
A
1OE
NC
1CLK
B
1Q2
1Q1
GND
1D1
1D2
C
1Q4
1Q3
VCC
1D3
1D4
D
1Q6
1Q5
GND
1D5
1D6
E
1Q8
1Q7
1D7
1D8
F
2Q1
2Q2
2D2
2D1
G
2Q3
2Q4
GND
2D4
2D3
H
2Q5
2Q6
VCC
2D6
2D5
J
2Q7
2Q8
GND
2D8
2D7
K
2OE
NC
2CLK
(1)
NC - No internal connection
FUNCTION TABLE
(EACH FLIP-FLOP)
INPUTS
OUTPUT
Q
OE
CLK
D
L
H
L
L
H or L
X
Q0
H
X
Z
2
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