SN54AHCT14, SN74AHCT14
HEX SCHMITT-TRIGGER INVERTERS


SCLS246P – OCTOBER 1995 – REVISED JULY 2003
1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
C0068 Inputs Are TTL-Voltage Compatible
C0068 Latch-Up Performance Exceeds 250 mA Per
JESD 17
C0068 ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1Y
2A
2Y
3A
3Y
GND
V
CC
6A
6Y
5A
5Y
4A
4Y
SN54AHCT14 ...J OR W PACKAGE
SN74AHCT14 . . . D, DB, DGV, N, NS,
OR PW PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
6Y
NC
5A
NC
5Y
2A
NC
2Y
NC
3A
1Y 1A NC
4Y 4A
V 6A
3Y
GND
NC
SN54AHCT14 . . . FK PACKAGE
(TOP VIEW)
CC
NC – No internal connection
SN74AHCT14 . . . RGY PACKAGE
(TOP VIEW)
114
78
2
3
4
5
6
13
12
11
10
9
6A
6Y
5A
5Y
4A
1Y
2A
2Y
3A
3Y
1A
4Y
V
GND
CC
description/ordering information
The ’AHCT14 devices contain six independent inverters. These devices perform the Boolean function Y = A.
Each circuit functions as an independent inverter, but because of the Schmitt action, the inverters have different
input threshold levels for positive-going (V
T+
) and for negative-going (V
T–
) signals.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN – RGY Tape and reel SN74AHCT14RGYR HB14
PDIP – N Tube SN74AHCT14N SN74AHCT14N
SOIC – D
Tube SN74AHCT14D
AHCT14 –
Tape and reel SN74AHCT14DR
–40°C to 85°C
SOP – NS Tape and reel SN74AHCT14NSR AHCT14
SSOP – DB Tape and reel SN74AHCT14DBR HB14
TSSOP PW
Tube SN74AHCT14PW
HB14 –
Tape and reel SN74AHCT14PWR
TVSOP – DGV Tape and reel SN74AHCT14DGVR HB14
CDIP – J Tube SNJ54AHCT14J SNJ54AHCT14J
–55°C to 125°C CFP – W Tube SNJ54AHCT14W SNJ54AHCT14W
LCCC – FK Tube SNJ54AHCT14FK SNJ54AHCT14FK
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.

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.
Copyright  2003, Texas Instruments Incorporated
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.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.