Diodes 74HC125 - Manual (Page 5)

74HC125
Document number: DS35326 Rev. 3 - 2
5 of 9
www.diodes.com
January 2013
© Diodes Incorporated
74HC125
Parameter Measurement Information
V
CC
Inputs
V
M
V
LOAD
C
L
R
L
V∆
V
I
t
r
/t
f
2.0V to 6.0V V
CC
≤3ns V
CC
/2 2 X V
CC
15,50 pF 2 KΩ 10% of V
CC
Voltage Waveform
Pulse Duration
Voltage Waveform
Propagation Delay Times
Figure 1 Load Circuit and Voltage Waveforms
Notes: A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate ≤ 1 MHz.
C. The inputs are measured one at a time with one transition per measurement.
D. For the 3 state device t
PLZ
and t
PZL
are the same as t
PD
.
E. t
PZL
is measured at V
M
.
D. t
PLZ
is measured at V
OL
+V
∆
.
TEST Condition
t
PLZ
(see Notes D and E)
t
PZL
(see Notes D and F)
Vload
Vload