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74HC245 Datasheet PDF : 22 Pages
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Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
9. Recommended operating conditions
Table 6: Recommended operating conditions
Symbol Parameter
Conditions
Type 74HC245
VCC
supply voltage
VI
input voltage
VO
output voltage
tr, tf
input rise and fall VCC = 2.0 V
times
VCC = 4.5 V
VCC = 6.0 V
Tamb
ambient temperature
Type 74HCT245
VCC
supply voltage
VI
input voltage
VO
output voltage
tr, tf
input rise and fall VCC = 4.5 V
times
Tamb
ambient temperature
Min Typ Max Unit
2.0 5.0
0
-
0
-
-
-
-
6.0
-
-
−40 -
6.0 V
VCC
V
VCC
V
1000 ns
500 ns
400 ns
+125 °C
4.5 5.0
0
-
0
-
-
6.0
−40 -
5.5 V
VCC
V
VCC
V
500 ns
+125 °C
10. Static characteristics
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
Tamb = 25 °C
VIH
HIGH-level input voltage
VCC = 2.0 V
1.5 1.2 -
V
VCC = 4.5 V
3.15 2.4 -
V
VCC = 6.0 V
4.2 3.2 -
V
VIL
LOW-level input voltage
VCC = 2.0 V
-
0.8 0.5 V
VCC = 4.5 V
VCC = 6.0 V
-
2.1 1.35 V
-
2.8 1.8 V
VOH
HIGH-level output voltage
VI = VIH or VIL
IO = −20 µA; VCC = 2.0 V
IO = −20 µA; VCC = 4.5 V
IO = −20 µA; VCC = 6.0 V
IO = −6.0 mA; VCC = 4.5 V
IO = −7.8 mA; VCC = 6.0 V
1.9 2.0 -
V
4.4 4.5 -
V
5.9 6.0 -
V
3.98 4.32 -
V
5.48 5.81 -
V
9397 750 14502
Product data sheet
Rev. 03 — 31 January 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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