74HCT123(2009) 查看數據表（PDF） - NXP Semiconductors.
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74HCT123 Datasheet PDF : 24 Pages
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NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
Conditions
VCC
VI
VO
∆t/∆V
Tamb
supply voltage
input voltage
output voltage
input transition rise and
fall rate
ambient temperature
nRD input
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
9. Static characteristics
74HC123
Min Typ Max
2.0 5.0 6.0
0
-
VCC
0
-
VCC
74HCT123
Unit
Min Typ Max
4.5 5.0 5.5 V
0
-
VCC V
0
-
VCC V
-
-
625
-
-
- ns/V
-
1.67 139
-
1.67 139 ns/V
-
-
83
-
-
- ns/V
−40 +25 +125 −40 +25 +125 °C
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
25 °C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max
Min
Max
74HC123
VIH
HIGH-level VCC = 2.0 V
input voltage VCC = 4.5 V
1.5 1.2 -
1.5
-
1.5
-V
3.15 2.4 - 3.15
-
3.15
-V
VCC = 6.0 V
4.2 3.2 -
4.2
-
4.2
-V
VIL
LOW-level
VCC = 2.0 V
input voltage VCC = 4.5 V
- 0.8 0.5
-
0.5
-
0.5 V
- 2.1 1.35 -
1.35
-
1.35 V
VCC = 6.0 V
- 2.8 1.8
-
1.8
-
1.8 V
VOH
HIGH-level VI = VIH or VIL
output voltage IO = −20 µA; VCC = 2.0 V
1.9 2.0 -
1.9
-
1.9
-V
IO = −20 µA; VCC = 4.5 V
4.4 4.5 -
4.4
-
4.4
-V
IO = −20 µA; VCC = 6.0 V
5.9 6.0 -
5.9
-
5.9
-V
IO = −4 mA; VCC = 4.5 V
3.98 4.32 - 3.84
-
3.7
-V
IO = −5.2 mA; VCC = 6.0 V 5.48 5.81 - 5.34
-
5.2
-V
VOL
LOW-level
VI = VIH or VIL
output voltage IO = 20 µA; VCC = 2.0 V
-
0 0.1
-
0.1
-
0.1 V
IO = 20 µA; VCC = 4.5 V
-
0 0.1
-
0.1
-
0.1 V
IO = 20 µA; VCC = 6.0 V
-
0 0.1
-
0.1
-
0.1 V
IO = 4 mA; VCC = 4.5 V
- 0.15 0.26 -
0.33
-
0.4 V
IO = 5.2 mA; VCC = 6.0 V
- 0.16 0.26 -
0.33
-
0.4 V
II
input leakage VI = VCC or GND; VCC = 6.0 V -
- ±0.1 -
±1.0
-
±1.0 µA
current
ICC
supply current VI = VCC or GND; IO = 0 A;
-
- 8.0
-
80
-
160 µA
VCC = 6.0 V
74HC_HCT123_5
Product data sheet
Rev. 05 — 13 July 2009
© NXP B.V. 2009. All rights reserved.
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