RD74LVC138BTELL 查看數據表（PDF） - Renesas Electronics
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RD74LVC138BTELL Datasheet PDF : 10 Pages
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RD74LVC138B
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
VCC
A
B
Y0 to Y7
C
CL
G1
G2A
G2B
Output
RL
Note: 1. CL includes probe and jig capacitance.
Waveforms
Input
In phase output
Out of
phase output
10 %
tr
90 %
Vref
tPLH
Vref
tPHL
Vref
tf
90 %
Vref
10 %
tPHL
Vref
tPLH
Vref
VIH
GND
VOH
VOL
VOH
VOL
VCC (V)
VCC = 1.8±0.15 V
VCC = 2.5±0.2 V
VCC = 2.7 V
VCC = 3.3±0.3 V
VCC = 5.0±0.5 V
INPUTS
VIH
VCC
VCC
2.7 V
2.7 V
VCC
tr/tf
≤ 2 ns
≤ 2 ns
≤ 2.5 ns
≤ 2.5 ns
≤ 2.5 ns
Vref
1/2 VCC
1/2 VCC
1.5 V
1.5 V
1/2 VCC
CL
30 pF
30 pF
50 pF
50 pF
50 pF
RL
1.0 kΩ
500 Ω
500 Ω
500 Ω
500 Ω
Note: 1. Input waveform: PRR = 10 MHz, duty cycle 50%
Rev.2.00 Jan. 14, 2005 page 6 of 7
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