参数资料
型号: MC74VHCT14AM
厂商: ON SEMICONDUCTOR
元件分类: 门电路
英文描述: Hex Schmitt Inverter
中文描述: AHCT/VHCT SERIES, HEX 1-INPUT INVERT GATE, PDSO14
封装: EIAJ, SOP-14
文件页数: 3/6页
文件大小: 104K
代理商: MC74VHCT14AM
MC74VHCT14A
http://onsemi.com
3
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input Voltage
VI
0
5.5
V
Output Voltage (Note 6)
VO
0
VCC
V
VCC = 0 V
VO
0
5.5
V
Operating FreeAir Temperature
TA
55
+125
°C
6. IO absolute maximum rating must be observed.
DC ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
VCC
V
TA = 25°C
TA ≤ 85°C
TA ≤ 125°C
Unit
Symbol
Min
Typ
Max
Min
Max
Min
Max
Positive Threshold Voltage
VT+
4.5
5.5
1.9
2.1
1.9
2.1
1.9
2.1
V
Negative Threshold Voltage
VT
4.5
5.5
0.5
0.6
0.5
0.6
0.5
0.6
V
Hysteresis Voltage
VH
4.5
5.5
0.40
1.40
1.50
0.40
1.40
1.50
0.40
1.40
1.50
V
Minimum HighLevel Output Voltage
IOH = 50 mA
VIN = VIH or VIL
IOH = 50 mA
VOH
4.5
4.4
4.5
4.4
4.4
V
IOH = 8.0 mA
5.5
3.94
3.80
3.66
Maximum LowLevel Output Voltage
VIN = VIH or VIL
IOL = 50 mA
VOL
4.5
0.0
0.1
0.1
0.1
V
IOL = 8.0 mA
5.5
0.36
0.44
0.52
Maximum Input Leakage Current
VIN = 5.5 V or GND
IIN
0 to 5.5
±0.1
±1.0
±1.0
mA
Maximum Quiescent Supply Current
VIN = VCC or GND
ICC
5.5
2.0
20
40
mA
Quiescent Supply Current
Input: VIN = 3.4 V
ICCT
5.5
1.35
1.50
1.65
mA
Output Leakage Current
VOUT = 5.5 V
IOFF
0.0
0.5
5.0
10
mA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
Parameter
Test Conditions
Symbol
TA = 25°C
TA ≤ 85°C
TA ≤ 125°C
Unit
Min
Typ
Max
Min
Max
Min
Max
Maximum Propagation Delay, A to Y
VCC = 5.0 ± 0.5 V
CL = 15 pF
CL = 50 pF
tPLH,
tPHL
5.5
7.0
7.6
9.6
1.0
9.0
11.0
1.0
11.5
13.5
ns
Maximum Input Capacitance
CIN
2.0
10
10
10
pF
Power Dissipation Capacitance
(Note 7)
CPD
Typical @ 25
°C, VCC = 5.0 V
pF
11
7. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC / 6 (per buffer). CPD is used to determine the
noload dynamic power consumption; PD = CPD VCC2 fin + ICC VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 5.0 V)
Characteristic
Symbol
TA = 25°C
Unit
Typ
Max
Quiet Output Maximum Dynamic VOL
VOLP
0.8
1.0
V
Quiet Output Minimum Dynamic VOL
VOLV
0.8
1.0
V
Minimum High Level Dynamic Input Voltage
VIHD
2.0
V
Maximum Low Level Dynamic Input Voltage
VILD
0.8
V
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