SN54HC14, SN74HC14
HEX SCHMITT-TRIGGER INVERTERS
SCLS085B – DECEMBER 1982 – REVISED MAY 1997
D
Package Options Include Plastic
Small-Outline (D), Thin Shrink
Small-Outline (PW), and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J)
300-mil DIPs
SN54HC14 . . . J OR W PACKAGE
SN74HC14 . . . D, N, OR PW PACKAGE
(TOP VIEW)
1A
1Y
2A
2Y
3A
3Y
GND
description
These Schmitt-trigger devices contain six
independent inverters. They perform the Boolean
function Y = A in positive logic.
The SN54HC14 is characterized for operation
over the full military temperature range of –55°C
to 125°C. The SN74HC14 is characterized for
operation from –40°C to 85°C.
OUTPUT
Y
H
L
L
2A
3A
4A
5A
6A
13
3
12
4
11
5
10
6
9
7
8
1Y
1A
NC
VCC
6A
H
logic symbol†
1A
2
VCC
6A
6Y
5A
5Y
4A
4Y
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
6Y
NC
5A
NC
5Y
3Y
GND
NC
4Y
4A
INPUT
A
14
SN54HC14 . . . FK PACKAGE
(TOP VIEW)
2A
NC
2Y
NC
3A
FUNCTION TABLE
(each inverter)
1
1
2
3
4
5
6
9
8
11
10
13
12
NC – No internal connection
1Y
2Y
3Y
4Y
5Y
6Y
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for the D, J, N, PW, and W packages.
logic diagram (positive logic)
A
Y
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.
Copyright © 1997, Texas Instruments Incorporated
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.
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