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PDF MC74HC14A Data sheet ( Hoja de datos )
| Número de pieza | MC74HC14A | |
| Descripción | HEX Schmitt-Trigger Inverter High-Performance Silicon-Gate CMOS | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Hex Schmitt-Trigger Inverter
High–Performance Silicon–Gate CMOS
The MC54/74HC14A is identical in pinout to the LS14, LS04 and the
HC04. The device inputs are compatible with Standard CMOS outputs;
with pullup resistors, they are compatible with LSTTL outputs.
The HC14A is useful to “square up” slow input rise and fall times. Due
to hysteresis voltage of the Schmitt trigger, the HC14A finds applications
in noisy environments.
• Output Drive Capability: 10 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS and TTL
• Operating Voltage Range: 2 to 6V
• Low Input Current: 1µA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance With the JEDEC Standard No. 7A Requirements
• Chip Complexity: 60 FETs or 15 Equivalent Gates
LOGIC DIAGRAM
1
A1
2
Y1
3
A2
4
Y2
5
A3
9
A4
11
A5
6
Y3
Y=A
8
Y4 Pin 14 = VCC
Pin 7 = GND
10
Y5
13
A6
12
Y6
MC54/74HC14A
14
1
J SUFFIX
CERAMIC PACKAGE
CASE 632–08
14
1
14
1
N SUFFIX
PLASTIC PACKAGE
CASE 646–06
D SUFFIX
SOIC PACKAGE
CASE 751A–03
14
1
DT SUFFIX
TSSOP PACKAGE
CASE 948G–01
ORDERING INFORMATION
MC54HCXXAJ
MC74HCXXAN
MC74HCXXAD
MC74HCXXADT
Ceramic
Plastic
SOIC
TSSOP
FUNCTION TABLE
Inputs
Outputs
AY
LH
HL
Pinout: 14–Lead Packages (Top View)
VCC A6 Y6 A5 Y5 A4 Y4
14 13 12 11 10 9 8
1234567
A1 Y1 A2 Y2 A3 Y3 GND
10/95
© Motorola, Inc. 1995
1
REV 7
1 page  
MC54/74HC14A
4
3
(VT+)
VHtyp
2
(VT–)
1
23456
VCC, POWER SUPPLY VOLTAGE (VOLTS)
VHtyp = (VT+ typ) – (VT– typ)
Figure 3. Typical Input Threshold, VT+, VT– versus Power Supply Voltage
A
(a) A Schmitt–Trigger Squares Up Inputs With Slow Rise and Fall Times
VH
Vin
VCC
VT+
VT–
GND
VOH
Vout
VOL
Y
(b) A Schmitt–Trigger Offers Maximum Noise Immunity
VH
Vin
VCC
VT+
VT–
GND
VOH
Vout
VOL
Figure 4. Typical Schmitt–Trigger Applications
High–Speed CMOS Logic Data
DL129 — Rev 6
5
MOTOROLA
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74HC14A.PDF ] | |
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