Datasheet

74HC_HCT125 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 19 January 2015 6 of 17
NXP Semiconductors
74HC125; 74HCT125
Quad buffer/line driver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit see Figure 7.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74HC125
t
pd
propagation
delay
nA to nY; see Figure 5
[1]
V
CC
= 2.0 V - 30 100 - 125 - 150 ns
V
CC
= 4.5 V - 11 20 - 25 - 30 ns
V
CC
=5V; C
L
=15pF - 9 - - - - - ns
V
CC
= 6.0 V - 9 17 - 21 - 26 ns
t
en
enable time nOE to nY; see Figure 6
[2]
V
CC
= 2.0 V - 41 125 - 155 - 190 ns
V
CC
= 4.5 V - 15 25 - 31 - 38 ns
V
CC
= 6.0 V - 12 21 - 26 - 32 ns
t
dis
disable time nOE to nY; see Figure 6
[3]
V
CC
= 2.0 V - 41 125 - 155 - 190 ns
V
CC
= 4.5 V - 15 25 - 31 - 38 ns
V
CC
= 6.0 V - 12 21 - 26 - 32 ns
t
t
transition
time
nY; see Figure 5
[4]
V
CC
= 2.0 V - 14 60 - 75 - 90 ns
V
CC
= 4.5 V - 5 12 - 15 - 18 ns
V
CC
= 6.0 V - 4 10 - 13 - 15 ns
C
PD
power
dissipation
capacitance
C
L
=50pF;f=1 MHz;
V
I
=GNDtoV
CC
[5]
-22- - - - -pF