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參數(shù)資料
| 型號(hào)： | SN54ALS22BJ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 門(mén)電路 |
| 英文描述： | ALS SERIES, DUAL 4-INPUT NAND GATE, CDIP14 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-14 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 53K |
| 代理商： | SN54ALS22BJ |
SN54ALS22B, SN74ALS22B
DUAL 4INPUT POSITIVENAND GATES
WITH OPENCOLLECTOR OUTPUTS
SDAS005A MARCH 1984 REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
Copyright
1986, Texas Instruments Incorporated
5BASIC
1
Package Options Include Plastic Small
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
Dependable Texas Instruments Quality and
Reliability
description
These devices contain two independent 4-input
NAND gates. They perform the Boolean functions
Y = A
BCD or Y = A+B+C+D in positive logic.
The
open-collector
outputs
require
pullup
resistors to perform correctly. They may be
connected to other open-collector outputs to
implement active-low wired-OR or active-high
wired-AND functions. Open-collector devices are
often used to generate higher VOH levels.
The SN54ALS22B is characterized for operation
over the full military temperature range of 55
°C
to 125
°C. The SN74ALS22B is characterized for
operation from 0
°C to 70°C.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
A
B
C
D
Y
H
L
XXX
H
X
LX
X
H
X
XLX
H
X
L
H
logic symbol
2D
13
12
2C
&
8
2Y
6
1Y
2B
10
2A
9
1D
5
1C
4
2
1B
1A
1
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for D, J, and N packages.
1Y
1D
1A
1B
1C
2C
2B
2A
2D
2Y
logic diagram (positive logic)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
NC
1C
1D
1Y
GND
VCC
2D
2C
NC
2B
2A
2Y
SN54ALS22B ...J PACKAGE
SN74ALS22B . . . D OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
2C
NC
2B
NC
1C
NC
1D
SN54ALS22B . . . FK PACKAGE
(TOP VIEW)
1B
1A
NC
2Y
2A
2D
1Y
GND
NC
NC No internal connection
V
CC
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.
相關(guān)PDF資料 |
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| SN54ALS22BFKR | ALS SERIES, DUAL 4-INPUT NAND GATE, CQCC20 |
| SN74ALS22BD | ALS SERIES, DUAL 4-INPUT NAND GATE, PDSO14 |
| SN54ALS242BFK | ALS SERIES, 4-BIT TRANSCEIVER, INVERTED OUTPUT, CQCC20 |
| SN74AS243D | AS SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14 |
| SNJ54AS242J | AS SERIES, 4-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP14 |
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