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L74VHC1GT14 Datasheet Preview

L74VHC1GT14 Datasheet

Schmitt-Trigger Inverter/ CMOS Logic Level Shifter

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LESHAN RADIO COMPANY, LTD.
Schmitt-Trigger Inverter/ CMOS Logic Level Shifter
with LSTTL–Compatible Inputs
L74VHC1GT14
The L74VHC1GT14 is a single gate CMOS Schmitt–trigger inverter fabricated with silicon gate CMOS technology. It achieves high
speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation.
The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output.
The device input is compatible with TTL–type input thresholds and the output has a full 5 V CMOS level output swing. The input
protection circuitry on this device allows overvoltage tolerance on the input, allowing the device to be used as a logic–level translator from
3.0 V CMOS logic to 5.0 V CMOS Logic or from 1.8 V CMOS logic to 3.0 V CMOS Logic while operating at the high–voltage power
supply.
The L74VHC1GT14 input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This
allows the L74VHC1GT14 to be used to interface 5 V circuits to 3 V circuits. The output structures also provide protection when
V CC = 0 V. These input and output structures help prevent device destruction caused by supply voltage – input/output voltage mismatch,
battery backup, hot insertion, etc. The LMC74VHC1GT14 can be used to enhance noise immunity or to square up slowly changing waveforms.
• High Speed: t PD = 4.5 ns (Typ) at V CC = 5 V
• Low Power Dissipation: I CC = 2 mA (Max) at T A = 25°C
• TTL–Compatible Inputs: V IL = 0.8 V; V IH = 2.0 V
• CMOS–Compatible Outputs: V OH > 0.8 V CC ;
V OL < 0.1 V CC @ Load
• Power Down Protection Provided on Inputs and Outputs
• Balanced Propagation Delays
• Pin and Function Compatible with Other Standard Logic
Families
• Chip Complexity: FETs = 100; Equivalent Gates = 25
5
4
1
2
3
SC–70/SC–88A/SOT–353
DF SUFFIX
5
4
1
2
3
SOT–23/TSOP–5/SC–59
DT SUFFIX
MARKING DIAGRAMS
VCd
Pin 1
d = Date Code
VCd
Pin 1
d = Date Code
Figure 1. Pinout (Top View)
Figure 2. Logic Symbol
PIN ASSIGNMENT
1 NC
2 IN A
3 GND
4 OUT Y
5 V CC
www.DataSheet4U.com
FUNCTION TABLE
Inputs
A
L
H
Output
Y
H
L
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 5 of this data sheet.
1/6




LRC

L74VHC1GT14 Datasheet Preview

L74VHC1GT14 Datasheet

Schmitt-Trigger Inverter/ CMOS Logic Level Shifter

No Preview Available !

LESHAN RADIO COMPANY, LTD.
L74VHC1GT14
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V CC
V IN
V OUT
DC Supply Voltage
DC Input Voltage
DC Output Voltage
V CC=0
High or Low State
– 0.5 to + 7.0
– 0.5 to +7.0
– 0.5 to +7.0
–0.5 to V cc + 0.5
V
V
V
I IK
I OK
I OUT
I CC
PD
θ JA
TL
TJ
T stg
Input Diode Current
Output Diode Current
DC Output Current, per Pin
V < GND; V > V
OUT
OUT
CC
DC Supply Current, V CC and GND
Power dissipation in still air
SC–88A, TSOP–5
Thermal resistance
SC–88A, TSOP–5
Lead Temperature, 1 mm from Case for 10 s
Junction Temperature Under Bias
Storage temperature
–20
+20
+ 25
+50
200
333
260
+ 150
–65 to +150
mA
mA
mA
mA
mW
°C/W
°C
°C
°C
V ESD
ESD Withstand Voltage
Human Body Model (Note 2)
Machine Model (Note 3)
>2000
> 200
V
Charged Device Model (Note 4)
N/A
I LATCH–UP
Latch–Up Performance Above V CC and Below GND at 125°C (Note 5)
± 500
mA
1. Maximum Ratings are those values beyond which damage to the device may occur. Exposure to these conditions or conditions
beyond those indicated may adversely affect device reliability. Functional operation under absolute–maximum–rated conditions is
not implied. Functional operation should be restricted to the Recommended Operating Conditions.
2. Tested to EIA/JESD22–A114–A
3. Tested to EIA/JESD22–A115–A
4. Tested to JESD22–C101–A
5. Tested to EIA/JESD78
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
V CC DC Supply Voltage
V IN DC Input Voltage
V OUT
DC Output Voltage
T A Operating Temperature Range
t r ,t f
Input Rise and Fall Time
V CC = 0
High Low State
V CC = 3.3 ± 0.3 V
V CC = 5.0 ± 0.5 V
Min Max Unit
3.0 5.5 V
0.0 5.5 V
0.0 5.5 V
0.0 V CC
– 55
+ 125
°C
0 100 ns/V
0 20
DEVICE JUNCTION TEMPERATURE VERSUS
TIME TO 0.1% BOND FAILURES
Junction
Time,
Time,
Temperature °C
Hours
Years
80
1,032,200
117.8
90
419,300
47.9
100
178,700
20.4
110
79,600
9.4
120
37,000
4.2
130
17,800
2.0
140
8,900
1.0
1
1
10
TIME, YEARS
100
1000
Figure 3. Failure Rate vs. Time Junction Temperature
2/6


Part Number L74VHC1GT14
Description Schmitt-Trigger Inverter/ CMOS Logic Level Shifter
Maker LRC
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