74HC243 查看數據表（PDF） - NXP Semiconductors.
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74HC243 Datasheet PDF : 17 Pages
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Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
9. Recommended operating conditions
Table 6:
Symbol
VCC
VI
VO
tr, tf
Tamb
Recommended operating conditions
Parameter
Conditions
supply voltage
input voltage
output voltage
input rise and fall
times
ambient
temperature
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Min Typ Max Unit
2.0 5.0 6.0 V
0
-
0
-
-
-
VCC
V
VCC
V
1000 ns
-
6.0 500 ns
-
-
400 ns
−40 -
+125 °C
10. Static characteristics
Table 7: Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Tamb = 25 °C
VIH
HIGH-level input voltage
VCC = 2.0 V
1.5
VCC = 4.5 V
3.15
VCC = 6.0 V
4.2
VIL
LOW-level input voltage
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 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
VOL
LOW-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
1.9
4.4
5.9
3.98
5.48
-
-
-
IO = 6.0 mA; VCC = 4.5 V
-
IO = 7.8 mA; VCC = 6.0 V
-
ILI
input leakage current
VI = VCC or GND; VCC = 6.0 V
-
IOZ
3-state OFF-state current
VI = VIH or VIL; VCC = 6.0 V;
-
VO = VCC or GND
ICC
quiescent supply current
VI = VCC or GND; IO = 0 A;
-
VCC = 6.0 V
CI
input capacitance
-
CI/O
input/output capacitance
-
Typ
1.2
2.4
3.2
0.8
2.1
2.8
2.0
4.5
6.0
4.32
5.81
0
0
0
0.15
0.16
-
-
-
3.5
10
Max
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.26
0.26
±0.1
±0.5
8.0
-
-
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
pF
pF
9397 750 13808
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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