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74HCT245BQ Fiches technique(PDF) 6 Page - NXP Semiconductors

No de pièce 74HCT245BQ
Description  Octal bus transceiver; 3-state
Download  22 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HCT245BQ Fiches technique(HTML) 6 Page - NXP Semiconductors

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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
VCC
supply voltage
2.0
5.0
6.0
V
VI
input voltage
0
-
VCC
V
VO
output voltage
0
-
VCC
V
tr, tf
input rise and fall
times
VCC = 2.0 V
-
-
1000
ns
VCC = 4.5 V
-
6.0
500
ns
VCC = 6.0 V
-
-
400
ns
Tamb
ambient temperature
−40
-
+125
°C
Type 74HCT245
VCC
supply voltage
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
V
VO
output voltage
0
-
VCC
V
tr, tf
input rise and fall
times
VCC = 4.5 V
-
6.0
500
ns
Tamb
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
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
-
2.1
1.35
V
VCC = 6.0 V
-
2.8
1.8
V
VOH
HIGH-level output voltage
VI =VIH or VIL
IO = −20 µA; VCC = 2.0 V
1.9
2.0
-
V
IO = −20 µA; VCC = 4.5 V
4.4
4.5
-
V
IO = −20 µA; VCC = 6.0 V
5.9
6.0
-
V
IO = −6.0 mA; VCC = 4.5 V
3.98
4.32
-
V
IO = −7.8 mA; VCC = 6.0 V
5.48
5.81
-
V


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