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SN74HC21-Q1 |
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| Part Number | SN74HC21-Q1 |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| Description | ordering information This device contains two independent 4-input AND gates. It performs the Boolean function Y + A • B • C • D or Y + A ) B ) C ) D in positive logic. ORDERING INFORMATION{ TA PAC... |
| Features |
mal data, and symbolization are available at http://www.ti.com/packaging.
FUNCTION TABLE (each gate)
INPUTS
OUTPUT
A
B
C
D
Y
H
H
H
H
H
L
X
X
X
L
X
L
X
X
L
X
X
L
X
L
X
X
X
L
L
logic diagram (positive logic)
1A 1B
1C 1D
1 2
4
5
6 1Y
2A 2B
2C 2D
9 10
12
13
8 2Y
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 co... |
| Document |
 SN74HC21-Q1 Data Sheet
PDF 395.09KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | SN74HC21 |
Texas Instruments |
DUAL 4-INPUT POSITIVE-AND GATES |
|
| 2 | SN74HC20 |
Texas Instruments |
Dual 4-Input NAND Gates |
|
| 3 | SN74HC20D |
Texas Instruments |
Dual 4-Input NAND Gates |
|
| 4 | SN74HC20N |
Texas Instruments |
Dual 4-Input NAND Gates |
|
| 5 | SN74HC240 |
Texas Instruments |
OCTAL BUFFERS AND LINE DRIVERS |
|