参数资料
型号: 74VHCT14ASJ
厂商: Fairchild Semiconductor
文件页数: 4/8页
文件大小: 0K
描述: IC INVERTER HEX SCHMITT 14SOP
标准包装: 47
系列: 74VHCT
逻辑类型: 逆变器,缓冲器
电路数: 6
输入数: 1
特点: 施密特触发器
电源电压: 4.5 V ~ 5.5 V
电流 - 静态(最大值): 2µA
输出电流高,低: 8mA,8mA
逻辑电平 - 低: 0.5 V ~ 0.6 V
逻辑电平 - 高: 1.9 V ~ 2.1 V
额定电压和最大 CL 时的最大传播延迟: 9.6ns @ 5V,50pF
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
供应商设备封装: 14-SOIC
封装/外壳: 14-SOIC(0.209",5.30mm 宽)
包装: 管件
1998 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHCT14A Rev. 1.5.0
4
74VHCT14A
He
x
Sc
hmitt
In
ver
ter
DC Electrical Characteristics
Noise Characteristics
Note:
5. Parameter guaranteed by design.
AC Electrical Characteristics
Note:
6. 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 gate)
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
TA = –40°C
to +85°C
Units
Min.
Typ.
Max.
Min.
Max.
VP
Positive Threshold
Voltage
4.5
1.9
V
5.5
2.1
VN
Negative Threshold
Voltage
4.5
0.5
V
5.5
0.6
VH
Hysteresis Voltage
4.5
0.4
1.4
0.4
1.4
V
5.5
0.4
1.5
0.4
1.5
VOH
HIGH Level Output
Voltage
4.5
VIN = VIL
IOH = –50A
4.40
4.50
4.40
V
IOH = –8mA
3.94
3.80
VOL
LOW Level Output
Voltage
4.5
VIN = VIH
IOL = 50A
0.0
0.1
V
IOL = 8mA
0.36
0.44
IIN
Input Leakage Current
0 – 5.5
VIN = 5.5V or GND
±0.1
±1.0
A
ICC
Quiescent Supply
Current
5.5
VIN = VCC or GND
2.0
20.0
A
ICCT
Maximum ICC / Input
5.5
VIN = 3.4V, Other
Inputs
= V
CC or GND
1.35
1.50
mA
IOFF
Output Leakage Current
(Power Down State)
0.0
VOUT = 5.5V
0.5
5.0
A
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
Units
Typ.
Limits
VOLP
(5)
Quiet Output Maximum Dynamic VOL
5.0
CL = 50pF
0.8
1.0
V
VOLV
(5)
Quiet Output Minimum Dynamic VOL
5.0
CL = 50pF
–0.8
1.0
V
VIHD
(5)
Minimum HIGH Level Dynamic Input Voltage
5.0
CL = 50pF
2.0
V
VILD
(5)
Maximum LOW Level Dynamic Input Voltage
5.0
CL = 50pF
0.8
V
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
TA = –40°C
to +85°C
Units
Min.
Typ.
Max.
Min.
Max.
tPHL, tPLH Propagation Delay
5.0 ± 0.5
CL = 15pF
5.0
7.6
1.0
9.0
ns
CL = 50pF
6.5
9.6
1.0
11.0
CIN
Input Capacitance
VCC = OPEN
2
10
pF
CPD
Power Dissipation
Capacitance
(6)
11
pF
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