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부품번호 U74HCT14 기능
기능 HIGH-SPEED CMOS LOGIC HEX INVERTING SCHMITT TRIGGER
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U74HCT14 데이터시트, 핀배열, 회로
UNISONIC TECHNOLOGIES CO., LTD
U74HCT14
HIGH-SPEED CMOS LOGIC
HEX INVERTING SCHMITT
TRIGGER
DESCRIPTION
The UTC 74HCT14 each contain six inverting Schmitt triggers in
one package. Each of them perform the Boolean function Y=A.
CMOS IC
SOP -14
FEATURES
* Widely range of input rise and fall time
* high noise immunity
* Fan-out parameters(over temperature range)
up to 10 LSTTL Loads
* Low power consumption
* Wide range operation 4.5V ~ 5.5V
DIP-14
*Pb-free plating product number: 74HCT14L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
U74HCT14-D14-T
U74HCT14L-D14-T
U74HCT14-S14-R
U74HCT14L-S14-R
U74HCT14-S14-T
U74HCT14L-S14-T
www.DataSheet4U.com
Package
DIP-14
SOP-14
SOP-14
Packing
Tube
Tape Reel
Tube
U74HCT14L-D14-T
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) R: Tape Reel, T: Tube
(2) D14: DIP-14, S14: SOP-14
(3) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 5
QW-R502-090,A




U74HCT14 pdf, 반도체, 판매, 대치품
U74HCT14
CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL RATINGS UNIT
DC Supply Voltage
VCC -0.5V~7V V
DC Input Clamp Current
DC Output Clamp Current
For VIN < -0.5V or VIN > VCC + 0.5V
For VOUT < -0.5V or VOUT > VCC + 0.5V
IIK
IOK
±20 mA
±20 mA
DC Drain Current, per Output
For -0.5V < VOUT < VCC +0.5V
DC Output Source or Sink Current per
Output Pin
For VOUT> -0.5V or VOUT < VCC + 0.5V
IOUT
IOUT
±25 mA
±25 mA
DC VCC or Ground Current
Operating Supply Voltage Range
ICC ±50 mA
VCC 4.5~5.5 V
Operating DC Input or Output Voltage
Operating Temperature
VIN, VOUT
TOPR
0V~VCC
-40 ~ +85
V
Storage Temperature
TSTG
-65 ~ +150
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
Thermal Resistance Junction Ambient
DIP-14
SOP-14
SYMBOL
θJA
RATINGS
80
86
UNIT
/W
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
VIH
VCC=4.5V
VCC=5.5V
1.7 1.79 V
1.94 1.96 V
Input Switch Points
VIL
VCC=4.5V
VCC=5.5V
VTH
VCC=4.5V
VCC=5.5V
0.82 0.94 V
0.96 1.15 V
0.8 0.86 V
0.62 0.83 V
High Level Output Voltage CMOS Loads
High Level Output Voltage TTL Loads
Low Level Output Voltage CMOS Loads
Low Level Output Voltage TTL Loads
Input Leakage Current
VOH
VOL
II(LEAK)
VCC=4.5V,VIN=VIH or VIL, IOUT=-20µA
VCC=4.5V, VIN=VIH or VIL, IOUT=-4mA
VCC=4.5V, VIN=VIH or VIL, IOUT=2 µA
VCC=4.5V, VIN=VIH or VIL, IOUT=4mA
VCC=5.5V, VIN=VCC and GND
4.49 4.495 4.498
3.99 4.00 4.03
0.41 0.66 1.0
0.18 0.185 0.19
<0.1
V
V
mV
V
µA
Quiescent Device Current
ICC
VCC=5.5V, VIN=VCC or GND,
IOUT=0mA
<1 µA
Additional Quiescent Device
ICC VCC=4.5V~5.5V, One input at 2.4V
(Note 1) Other inputs at GND or VCC
SWITCHING SPECIFICATIONS (Input tR, tF = 6ns)
25 µA
Propagation Delay, A to Y
Output Transition Times
tPLH, tPHL
VCC=4.5V, CL=50pF
VCC=5V, CL=15pF
tTLH, tTHL VCC=4.5V, CL=50pF
30 ns
2 ns
12.5 ns
Input Capacitance
CIN
10 pF
Power Dissipation Capacitance(Note 2,3) CPD VCC=5V
20 pF
Note: 1. This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather
than 0 V or VCC.
2. CPD is used to determine the dynamic power consumption, per inverter.
3. PD = VCC 2 fi (CPD + CL) where fi = input frequency, CL = output load capacitance, VCC = supply voltage.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
QW-R502-090,A

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