HD74LS93 Datasheet, PDF (5/9 Pages) Hitachi Semiconductor – 4-bit Binary Counters

HD74LS93
Timing Definition
t_w
3V
R0
1.3 V
1.3 V
0V
t_su
A or B
Input
3V
1.3 V 1.3 V
t_w
0V
Testing Method
Test Circuit
4.5V
P.G.
Zout = 50Ω
V_CC
QA
RL ^{Load circuit 1}
QA
A
CL
B
QB
QB
Same as Load Circuit 1.
QC
R0
QC
R0
QD
Same as Load Circuit 1.
QD
Same as Load Circuit 1.
Notes: 1. C_L includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Rev.2.00, Feb.18.2005, page 5 of 8