SN54HC20 Datasheet, PDF (1/16 Pages) Texas Instruments – DUAL 4-INPUT POSITIVE-NAND GATES

D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 20-µA Max I_CC
SN54HC20 . . . J OR W PACKAGE
SN74HC20 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1A 1
1B 2
NC ³
1C ⁴
1D ⁵
1Y ⁶
GND ⁷
14 V_CC
13 2D
12 2C
11 NC
10 _2B
9 _2A
8 _2Y
SN54HC20, SN74HC20
DUAL 4ĆINPUT POSITIVEĆNAND GATES
SCLS086F − DECEMBER 1982 − REVISED AUGUST 2003
D Typical t_pd = 11 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
SN54HC20 . . . FK PACKAGE
(TOP VIEW)
NC
3 2 1 20 19
4
18
2C
NC 5
17 NC
1C 6
16 NC
NC 7
15 NC
1D 8
14 2B
9 10 11 12 13
description/ordering information
NC − No internal connection
The ’HC20 devices contain two independent 4-input NAND gates. They perform the Boolean function
Y = A • B • C • D or Y = A + B + C + D in positive logic.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC20N
SN74HC20N
Tube of 50
SN74HC20D
SOIC − D
Reel of 2500
Reel of 250
SN74HC20DR
SN74HC20DT
HC20
−40°C to 85°C
SOP − NS
SSOP − DB
Reel of 2000
Reel of 2000
SN74HC20NSR
SN74HC20DBR
HC20
HC20
Tube of 90
SN74HC20PW
TSSOP − PW
Reel of 2000
Reel of 250
SN74HC20PWR
SN74HC20PWT
HC20
CDIP − J
Tube of 25
SNJ54HC20J
SNJ54HC20J
−55°C to 125°C CFP − W
Tube of 150
SNJ54HC20W
SNJ54HC20W
LCCC − FK
Tube of 55
SNJ54HC20FK
SNJ54HC20FK
† _{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.
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.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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