E U %
E ] E
2V[4 11] I:
3A[5 m] I:
WM 9] E
GND[7 a]
740°C to BS‘C
755°C10 125%:
A
muncmn
mam; mm
anyway ‘9 TEXAS
INSTRUMENTS
SCAS557H − DECEMBER 1995 − REVISED NOVEMBER 2004
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D4.5-V to 5.5-V VCC Operation
DInputs Accept Voltages to 5.5 V
DMax tpd of 11 ns at 5 V
DInputs Are TTL-Voltage Compatible
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1Y
2A
2Y
3A
3Y
GND
VCC
6A
6Y
5A
5Y
4A
4Y
3212019
910111213
4
5
6
7
8
18
17
16
15
14
6Y
NC
5A
NC
5Y
2A
NC
2Y
NC
3A
SN54ACT14 . . . FK PACKAGE
(TOP VIEW)
1Y
1A
NC
4Y
4A V
6A
3Y
GND
NC
CC
SN54ACT14 ...J OR W PACKAGE
SN74ACT14 . . . D, DB, N, NS. OR PW PACKAGE
(TOP VIEW)
NC − No internal connection
description/ordering information
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
TAPACKAGE†ORDERABLE
PART NUMBER TOP-SIDE
MARKING
PDIP − N Tube SN74ACT14N SN74ACT14N
Tube SN74ACT14D
SOIC − D Tape and reel SN74ACT14DR ACT14
−40°C to 85°CSOP − NS Tape and reel SN74ACT14NSR ACT14
SSOP − DB Tape and reel SN74ACT14DBR AD14
Tube SN74ACT14PW
TSSOP − PW Tape and reel SN74ACT14PWR AD14
CDIP − J Tube SNJ54ACT14J SNJ54ACT14J
−55°C to 125°CCFP − W Tube SNJ54ACT14W SNJ54ACT14W
LCCC − FK Tube SNJ54ACT14FK SNJ54ACT14FK
†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
(each inverter)
INPUT
AOUTPUT
Y
H L
L H
Copyright 2004, Texas Instruments Incorporated
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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.