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SN74AC14D Datasheet Preview

SN74AC14D Datasheet

HEX SCHMITT-TRIGGER INVERTERS

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D 2-V to 6-V VCC Operation
D Inputs Accept Voltages to 6 V
D Max tpd of 9.5 ns at 5 V
SN54AC14 . . . J OR W PACKAGE
SN74AC14 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
GND 7
14 VCC
13 6A
12 6Y
11 5A
10 5Y
9 4A
8 4Y
SN54AC14, SN74AC14
HEX SCHMITTĆTRIGGER INVERTERS
SCAS522G − AUGUST 1995 − REVISED AUGUST 2008
SN54AC14 . . . FK PACKAGE
(TOP VIEW)
2A
3 2 1 20 19
4
18
6Y
NC 5
17 NC
2Y 6
16 5A
NC 7
15 NC
3A 8
14 5Y
9 10 11 12 13
description/ordering information
NC − No internal connection
These Schmitt-trigger devices contain six independent inverters. They perform the Boolean function Y = A.
Because of the Schmitt action, they have different input threshold levels for positive-going (VT+) and for
negative-going (VT−) signals.
These circuits are temperature compensated and can be triggered from the slowest of input ramps and still give
clean, jitter-free output signals. They also have a greater noise margin than conventional inverters.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube
SN74AC14N
SN74AC14N
SOIC − D
Tube
Tape and reel
SN74AC14D
SN74AC14DR
AC14
−40°C to 85°C
SOP − NS
SSOP − DB
Tape and reel
Tape and reel
SN74AC14NSR
SN74AC14DBR
AC14
AC14
TSSOP − PW
Tube
Tape and reel
SN74AC14PW
SN74AC14PWR
AC14
CDIP − J
Tube
SNJ54AC14J
SNJ54AC14J
−55°C to 125°C CFP − W
Tube
SNJ54AC14W
SNJ54AC14W
LCCC − FK
Tube
SNJ54AC14FK
SNJ54AC14FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2008, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
1




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SN74AC14D Datasheet Preview

SN74AC14D Datasheet

HEX SCHMITT-TRIGGER INVERTERS

No Preview Available !

SN54AC14, SN74AC14
HEX SCHMITTĆTRIGGER INVERTERS
SCAS522G − AUGUST 1995 − REVISED AUGUST 2008
FUNCTION TABLE
(each inverter)
INPUT
A
H
OUTPUT
Y
L
L
H
logic diagram, each inverter (positive logic)
A
Y
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC + 0.5 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±200 mA
Package thermal impedance, θJA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W
DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions (see Note 3)
SN54AC14 SN74AC14
UNIT
MIN MAX MIN MAX
VCC Supply voltage
2
6
2
6V
VI
Input voltage
0 VCC
0 VCC V
VO
Output voltage
0 VCC
0 VCC V
VCC = 3 V
−12
−12
IOH
High-level output current
VCC = 4.5 V
−24
−24 mA
VCC = 5.5 V
−24
−24
VCC = 3 V
12
12
IOL
Low-level output current
VCC = 4.5 V
VCC = 5.5 V
24
24 mA
24
24
TA
Operating free-air temperature
−55 125 −40
85 °C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74AC14D
Description HEX SCHMITT-TRIGGER INVERTERS
Maker etcTI
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