HD74LS373_15 Datasheet, PDF (6/10 Pages) Renesas Technology Corp – Octal D-type Transparent Latches (with three-state outputs)

HD74LS373
Testing Method
Test Circuit
V_CC
4.5V
P.G.
Zout = 50Ω
Input
P.G.
Zout = 50Ω
Input
Output
RL ^{Load circuit 1}
S1
1Q
5kΩ
OC
S2
CL
1D
Output
2D
2Q
Same as Load Circuit 1.
Output
3D
3Q
Same as Load Circuit 1.
4D
Output
5D
4Q
Same as Load Circuit 1.
Output
6D
5Q
Same as Load Circuit 1.
7D
Output
8D
6Q
Same as Load Circuit 1.
Output
G
7Q
Same as Load Circuit 1.
Output
8Q
Same as Load Circuit 1.
Notes: 1. C_L includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Waveforms 1
t_TLH
t_THL
90 %
90 %
3V
Data
1.3 V
1.3 V
10 %
10 %
0V
t_PLH
t_PHL
Q
S1, S2 Closed 1.3 V
V_OH
1.3 V
V_OL
Note: Input pulse; t_TLH ≤ 15 ns, t_THL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%
Rev.2.00, Feb.18.2005, page 4 of 7