Datasheet

9397 750 14502 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 03 — 31 January 2005 6 of 22
Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
9. Recommended operating conditions
10. Static characteristics
Table 6: Recommended operating conditions
Symbol Parameter Conditions Min Typ Max Unit
Type 74HC245
V
CC
supply voltage 2.0 5.0 6.0 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
t
r
, t
f
input rise and fall
times
V
CC
= 2.0 V - - 1000 ns
V
CC
= 4.5 V - 6.0 500 ns
V
CC
= 6.0 V - - 400 ns
T
amb
ambient temperature −40 - +125 °C
Type 74HCT245
V
CC
supply voltage 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
t
r
, t
f
input rise and fall
times
V
CC
= 4.5 V - 6.0 500 ns
T
amb
ambient temperature −40 - +125 °C
Table 7: Static characteristics type 74HC245
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
T
amb
=25°C
V
IH
HIGH-level input voltage V
CC
= 2.0 V 1.5 1.2 - V
V
CC
= 4.5 V 3.15 2.4 - V
V
CC
= 6.0 V 4.2 3.2 - V
V
IL
LOW-level input voltage V
CC
= 2.0 V - 0.8 0.5 V
V
CC
= 4.5 V - 2.1 1.35 V
V
CC
= 6.0 V - 2.8 1.8 V
V
OH
HIGH-level output voltage V
I
=V
IH
or V
IL
I
O
= −20 µA; V
CC
= 2.0 V 1.9 2.0 - V
I
O
= −20 µA; V
CC
= 4.5 V 4.4 4.5 - V
I
O
= −20 µA; V
CC
= 6.0 V 5.9 6.0 - V
I
O
= −6.0 mA; V
CC
= 4.5 V 3.98 4.32 - V
I
O
= −7.8 mA; V
CC
= 6.0 V 5.48 5.81 - V