MC74LVX374(2001) 查看數據表（PDF） - ON Semiconductor
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MC74LVX374 Datasheet PDF : 8 Pages
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MC74LVX374
TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Symbol
tw
Parameter
Minimum Pulse Width, CP
tsu
Minimum Setup Time, D to CP
th
Minimum Hold Time, D to CP
Test Conditions
VCC = 2.7V
VCC = 3.3 ±0.3V
VCC = 2.7V
VCC = 3.3 ±0.3V
VCC = 2.7V
VCC = 3.3 ±0.3V
TA = 25°C
Typ
Limit
7.5
5.0
6.5
4.5
2.0
2.0
TA = – 40
to 85°C
Limit
Unit
8.0
ns
5.5
6.5
ns
4.5
2.0
ns
2.0
CP
50%
tW
1/fmax
tPLH
tPHL
O
50% VCC
Figure 3.
D
CP
SWITCHING WAVEFORMS
VCC
OE
50%
GND
O
O
VALID
50%
tsu
th
50%
Figure 5.
tPZL
tPLZ
50% VCC
tPZH tPHZ
50% VCC
Figure 4.
VCC
GND
VCC
GND
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOH -0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
TEST CIRCUITS
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kΩ
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 6. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 7. Three–State Test Circuit
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