Data Sheet

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Nexperia B.V. 2017. All rights reserved
74HC_HCT245 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 4 — 26 February 2016 7 of 18
Nexperia
74HC245; 74HCT245
Octal bus transceiver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; for load circuit see Figure 7.
Symbol Parameter Conditions 25 C 40 C to +125 C Unit
Min Typ Max Max
(85 C)
Max
(125 C)
74HC245
t
pd
propagation delay An to Bn or Bn to An;
see Figure 5
[1]
V
CC
= 2.0 V - 25 90 115 135 ns
V
CC
= 4.5 V - 9 18 23 27 ns
V
CC
= 5.0 V; C
L
=15pF - 7 - - - ns
V
CC
= 6.0 V - 7 15 20 23 ns
t
en
enable time OE to An or Bn; see Figure 6
[2]
V
CC
= 2.0 V - 30 150 190 225 ns
V
CC
= 4.5 V - 11 30 38 45 ns
V
CC
= 6.0 V - 9 26 33 38 ns
t
dis
disable time OE to An or Bn; see Figure 6
[3]
V
CC
= 2.0 V - 41 150 190 225 ns
V
CC
= 4.5 V - 15 30 38 45 ns
V
CC
= 6.0 V - 12 26 33 38 ns
t
t
transition time 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
per buffer; V
I
=GNDtoV
CC
[5]
-30- - -pF