HD74LS259
Testing Method
Test Circuit
V
CC
4.5V
R
L
Q
0
C
L
Input
P.G.
Z
out
= 50Ω
Input
P.G.
Z
out
= 50Ω
G
Output
Q
1
Output
Q
2
Output
Q
3
Output
Clear
Q
4
Output
Q
5
Output
Q
6
Output
Q
7
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.
Output
Load circuit 1
See Function Table
A
B
C
D
Notes:
1. C
L
includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Waveform
t
TLH
90%
1.3 V
10%
t
PLH
t
THL
90%
1.3 V
10%
t
PHL
V
OH
In phase output
t
PHL
1.3 V
t
PLH
V
OH
Out of phase output
1.3 V
1.3 V
V
OL
1.3 V
V
OL
3V
0V
Input
Note:
Input pulse; t
TLH
≤
15 ns, t
THL
≤
6 ns, PRR = 1 MHz, duty cycle 50%
Rev.2.00, Feb.18.2005, page 5 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
