HD74LS47P 查看數據表（PDF） - Renesas Electronics
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HD74LS47P Datasheet PDF : 7 Pages
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HD74LS47
Testing Method
Test Circuit
4.5V
VCC
Input
P.G.
Zout = 50Ω
a
A
B
b
C
c
D
d
LT
e
RBI
f
BI/RBO g
Output RL
CL
Note: CL includes probe and jig capacitance.
Waveform
tTLH
tTHL
90%
90%
3V
Input
1.3 V
1.3 V
10%
10%
0V
toff
ton
In phase output
VOH
1.3 V
1.3 V
VOL
ton
toff
Out of phase output
1.3 V
VOH
1.3 V
VOL
Note: Input pulse: tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%.
Testing Table
Item
ton
toff
RBI
4.5 V
4.5 V
4.5 V
IN
D
GND
GND
GND
GND
Inputs
C
GND
GND
4.5 V
GND
B
GND
4.5 V
4.5 V
GND
A
IN
IN
IN
GND
a
OUT
—
OUT
OUT
b
—
—
OUT
OUT
c
—
OUT
—
OUT
Outputs
d
OUT
—
OUT
OUT
e
OUT
OUT
OUT
OUT
f
OUT
—
OUT
OUT
g
—
—
OUT
—
Rev.3.01, May 10, 2006, page 5 of 6
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