Operation Inputs Accept Voltages SN54AC14 PACKAGE SN74AC14 PACKAG
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SN54AC14, SN74AC14 SCHMITT TRIGGER INVERTERS
Operation Inputs Accept Voltages
SN54AC14 PACKAGE SN74AC14 PACKAGE (TOP VIEW) SN54AC14 PACKAGE (TOP VIEW)
internal connection ORDERABLE PART NUMBER SN74AC14N SN74AC14D SN74AC14DR SN74AC14NSR SN74AC14DBR SN74AC14PW SN74AC14PWR SNJ54AC14J SNJ54AC14W SNJ54AC14FK AC14 SNJ54AC14J SNJ54AC14W SNJ54AC14FK AC14 AC14 AC14 Tube Tube Tape reel Tape reel Tape reel Tube Tape reel Tube Tube Tube
products compliant 38535, parameters tested unless otherwise noted. other products, production processing does necessarily include testing parameters.
description/ordering information
These Schmitt-trigger devices contain independent inverters. They perform Boolean function Because Schmitt action, they have different input threshold levels positive-going (VT+) negative-going (VT-) signals. These circuits temperature compensated triggered from slowest input ramps still give clean, jitter-free output signals. They also have greater noise margin than conventional inverters. ORDERING INFORMATION
PDIP SOIC 85°C -40°C SSOP TSSOP CDIP 125°C -55°C LCCC PACKAGE TOP-SIDE MARKING SN74AC14N
Package drawings, standard packing quantities, thermal data, symbolization, design guidelines available www.ti.com/sc/package.
Please aware that important notice concerning availability, standard warranty, critical applications Texas Instruments semiconductor products disclaimers thereto appears this data sheet.
PRODUCTION DATA information current publication date. Products conform specifications terms Texas Instruments standard warranty. Production processing does necessarily include testing parameters.
Copyright 2003, Texas Instruments Incorporated
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SN54AC14, SN74AC14 SCHMITT TRIGGER INVERTERS
FUNCTION TABLE (each inverter) INPUT OUTPUT
logic diagram, each inverter (positive logic)
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (see Note -0.5 Output voltage range, (see Note -0.5 Input clamp current, VCC) Output clamp current, VCC) Continuous output current, VCC) Continuous current through ±200 Package thermal impedance, (see Note package 86°C/W package 96°C/W package 80°C/W package 76°C/W package 113°C/W Storage temperature range, Tstg -65°C 150°C
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability. NOTES: input output voltage ratings exceeded input output current ratings observed. package thermal impedance calculated accordance with JESD 51-7.
recommended operating conditions (see Note
SN54AC14 Supply voltage Input voltage Output voltage Low-level output current SN74AC14 UNIT
High-level output current
Operating free-air temperature NOTE unused inputs device must held ensure proper device operation. Refer application report, Implications Slow Floating CMOS Inputs, literature number SCBA004.
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SN54AC14, SN74AC14 SCHMITT TRIGGER INVERTERS
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER Positive-going threshold Negative-going threshold Hysteresis (VT+ VT-) GND, TEST CONDITIONS ±0.1 0.002 0.001 0.001 0.36 0.36 0.36 1.65 1.65 2.56 3.86 4.86 25°C SN54AC14 3.85 3.85 0.44 0.44 0.44 SN74AC14 2.48 UNIT
more than output should tested time, duration test should exceed
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
PARAMETER tPLH tPHL FROM (INPUT) (OUTPUT) 25°C 13.5 11.5 SN54AC14 SN74AC14 UNIT
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SN54AC14, SN74AC14 SCHMITT TRIGGER INVERTERS
switching characteristics over recommended operating free-air temperature range, (unless otherwise noted) (see Figure
PARAMETER tPLH tPHL FROM (INPUT) (OUTPUT) 25°C SN54AC14 SN74AC14 UNIT
operating characteristics, 25°C
PARAMETER Power dissipation capacitance TEST CONDITIONS UNIT
PARAMETER MEASUREMENT INFORMATION
TEST tPLH/tPHL Open From Output Under Test (see Note OPEN In-Phase Output tPHL Out-of-Phase Output LOAD CIRCUIT Input (see Note tPLH tPHL tPLH
VOLTAGE WAVEFORMS
NOTES: includes probe capacitance. input pulses supplied generators having following characteristics: MHz, outputs measured time with input transition measurement.
Figure Load Circuit Voltage Waveforms
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MECHANICAL DATA
MCFP002A JANUARY 1995 REVISED FEBRUARY 2002
(R-GDFP-F14)
CERAMIC DUAL FLATPACK
Base Seating Plane
0.045 (1,14) 0.026 (0,66)
0.260 (6,60) 0.235 (5,97)
0.080 (2,03) 0.045 (1,14)
0.008 (0,20) 0.004 (0,10)
0.280 (7,11) 0.019 (0,48) 0.015 (0,38)
0.050 (1,27)
0.390 (9,91) 0.335 (8,51) 0.005 (0,13) Places
0.360 (9,14) 0.250 (6,35)
0.360 (9,14) 0.250 (6,35)
4040180-2 02/02 NOTES: linear dimensions inches (millimeters). This drawing subject change without notice. This package hermetically sealed with ceramic using glass frit. Index point provided terminal identification only. Falls within 1835 GDFP1-F14 JEDEC MO-092AB
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MECHANICAL DATA
MLCC006B OCTOBER 1996
(S-CQCC-N**)
TERMINAL SHOWN
LEADLESS CERAMIC CHIP CARRIER
TERMINALS
0.342 (8,69) 0.442 (11,23) 0.640 (16,26) 0.739 (18,78) 0.938 (23,83) 1.141 (28,99) 0.358 (9,09) 0.458 (11,63) 0.660 (16,76) 0.761 (19,32) 0.962 (24,43) 1.165 (29,59) 0.307 (7,80) 0.406 (10,31) 0.495 (12,58) 0.495 (12,58) 0.850 (21,6) 1.047 (26,6)
0.358 (9,09) 0.458 (11,63) 0.560 (14,22) 0.560 (14,22) 0.858 (21,8) 1.063 (27,0)
0.080 (2,03) 0.064 (1,63) 0.020 (0,51) 0.010 (0,25)
0.020 (0,51) 0.010 (0,25)
0.055 (1,40) 0.045 (1,14)
0.045 (1,14) 0.035 (0,89)
0.028 (0,71) 0.022 (0,54) 0.050 (1,27)
0.045 (1,14) 0.035 (0,89)
4040140 10/96 NOTES: linear dimensions inches (millimeters). This drawing subject change without notice. This package hermetically sealed with metal lid. terminals gold plated. Falls within JEDEC MS-004
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MECHANICAL DATA
MSSO002E JANUARY 1995 REVISED DECEMBER 2001
(R-PDSO-G**)
PINS SHOWN 0,65 0,38 0,22 0,15
PLASTIC SMALL-OUTLINE
0,25 0,09 5,60 5,00 8,20 7,40
Gage Plane 0,25 0,95 0,55
Seating Plane 2,00 0,05 0,10
PINS
6,50
6,50
7,50
8,50
10,50
10,50
12,90
5,90
5,90
6,90
7,90
9,90
9,90
12,30 4040065 12/01
NOTES:
linear dimensions millimeters. This drawing subject change without notice. Body dimensions include mold flash protrusion exceed 0,15. Falls within JEDEC MO-150
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MECHANICAL DATA
MTSS001C JANUARY 1995 REVISED FEBRUARY 1999
(R-PDSO-G**)
PINS SHOWN
PLASTIC SMALL-OUTLINE PACKAGE
0,65
0,30 0,19
0,10
0,15 4,50 4,30 6,60 6,20 Gage Plane 0,25 0,75 0,50
Seating Plane 1,20 0,15 0,05 0,10
PINS
3,10
5,10
5,10
6,60
7,90
9,80
2,90
4,90
4,90
6,40
7,70
9,60
4040064/F 01/97 NOTES: linear dimensions millimeters. This drawing subject change without notice. Body dimensions include mold flash protrusion exceed 0,15. Falls within JEDEC MO-153
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