HD74HC375 Datasheet, PDF (4/7 Pages) Hitachi Semiconductor – Quad. Bistable Latches

HD74HC375
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
VCC
Output
Enable G Q
Output
D
Q
C_L = 50 pF
C_L = 50 pF
Note : 1. C_L includes probe and jig capacitance.
Waveforms
• Waveform – 1
t_r
Input D
10 %
90 %
50 %
t_W
t_su
Enable G
Output Q
t_r
10 %
t_f
90 %
50 % 50 %
t_W
t_PLH
10 %
90 %
50 %
t_TLH
t_PHL
t_f
90 %
50 %
t_h
10 %
t_W
10 %
t_W
t_su
50 %
t_h
50 %
50 %
t_PHL
90 %
50 %
10 %
t_THL
t_PLH
Output Q
90 %
50 %
10 %
50 %
10 %
90 %
t_THL
t_TLH
V_CC
0V
V_CC
0V
V_OH
V_OL
V_OH
V_OL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
Rev.2.00 Mar 30, 2006 page 4 of 6