HD74LS139
Testing Method
Test Circuit
VCC
Output
4.5V
Input
Load circuit 1
RL
1Y
0
C
L
Output
1G
2G
1A
1B
2A
2B
1Y
1Y
1Y
2Y
2Y
2Y
2Y
1
2
3
0
1
2
3
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
P.G.
out = 50Ω
Output
Output
Output
Output
Output
Output
Z
Notes:
1. CL includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Waveform
tTLH
tTHL
3 V
0 V
90%
1.3 V
90%
1.3 V
Input
10%
10%
tPHL
tPLH
VOH
In phase output
1.3 V
1.3 V
VOL
tPHL
tPLH
VOH
1.3 V
1.3 V
Out of phase output
VOL
Note: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%
Rev.2.00, Feb.18.2005, page 4 of 6
RENESAS [ RENESAS TECHNOLOGY CORP ]
