ꢀꢁꢂ ꢃ ꢄꢅ ꢆ ꢃꢇ ꢀꢁ ꢈꢃ ꢄꢅ ꢆꢃ
ꢉꢊ ꢋ ꢀꢅ ꢉꢌꢍ ꢎꢎꢏꢎ ꢐꢍꢑ ꢑ ꢊꢐ ꢍꢁ ꢒꢊ ꢐ ꢎꢊ ꢐꢀ
SCAS522F − AUGUST 1995 − REVISED OCTOBER 2003
D
D
D
2-V to 6-V V
Operation
CC
Inputs Accept Voltages to 6 V
Max t of 9.5 ns at 5 V
pd
SN54AC14 . . . J OR W PACKAGE
SN54AC14 . . . FK PACKAGE
(TOP VIEW)
SN74AC14 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1A
1Y
V
CC
6A
1
2
3
4
5
6
7
14
13
3
2
1
20 19
18
6Y
NC
5A
NC
5Y
2A
NC
2Y
4
5
6
7
8
2A
12 6Y
11 5A
10 5Y
17
16
15
14
2Y
3A
NC
3A
9
8
3Y
4A
4Y
GND
9 10 11 12 13
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 (V ) and for
T+
negative-going (V ) signals.
T−
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
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
PDIP − N
SOIC − D
Tube
SN74AC14N
SN74AC14N
Tube
SN74AC14D
AC14
Tape and reel
Tape and reel
Tape and reel
Tube
SN74AC14DR
SN74AC14NSR
SN74AC14DBR
SN74AC14PW
SN74AC14PWR
SNJ54AC14J
SNJ54AC14W
SNJ54AC14FK
SOP − NS
AC14
AC14
−40°C to 85°C
SSOP − DB
TSSOP − PW
AC14
Tape and reel
Tube
CDIP − J
CFP − W
LCCC − FK
SNJ54AC14J
SNJ54AC14W
SNJ54AC14FK
Tube
−55°C to 125°C
Tube
†
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.
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Copyright 2003, Texas Instruments Incorporated
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