參數(shù)資料
型號(hào)： SN74ALS253DRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： ALS SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： GREEN, PLASTIC, SOIC-16
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 706K
代理商： SN74ALS253DRG4
SN54ALS253, SN74ALS253, SN74AS253A
DUAL 1OF4 DATA SELECTORS/MULTIPLEXERS
WITH 3STATE OUTPUTS
SDAS216A APRIL 1982 REVISED DECEMBER 1994
Copyright
1994, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
3-State Versions of the ′ALS153 and
SN74AS153
Permits Multiplexing From n Lines to
One Line
Performs Parallel-to-Serial Conversion
Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
These
data
selectors/multiplexers
contain
inverters and drivers to supply full binary decoding
data selection to the AND-OR gates. Separate
output control inputs are provided for each of the
two 4-line sections.
The 3-state outputs can interface with and drive
data lines of bus-organized systems. With all but
one of the common outputs disabled (at a
high-impedance state), the low impedance of the
single enabled output drives the bus line to a high
or low logic level. Each output has its own
output-enable (OE) input. The output is disabled
when OE is high.
The SN54ALS253 is characterized for operation
over the full military temperature range of 55
°C
to 125
°C. The SN74ALS253 and SN74AS253A
are characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
INPUTS
OUTPUT
SELECT
DATA
OE
OUTPUT
Y
B
A
C0
C1
C2
C3
OE
Y
X
H
Z
L
LL
XX
X
L
LH
XX
X
L
H
L
HX
LX
XL
L
HX
X
L
H
LX
XL
L
H
LX
XH
X
L
H
HX
XX
L
H
X
H
L
H
Select inputs A and B are common to both sections.
SN54ALS253 ...J PACKAGE
SN74ALS253, SN74AS253A ...D OR N PACKAGE
(TOP VIEW)
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
A
2C3
NC
2C2
2C1
1C3
1C2
NC
1C1
1C0
SN54ALS253 . . . FK PACKAGE
(TOP VIEW)
B
1OE
NC
2Y
2C0
2OE
1Y
GND
NC
NC No internal connection
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1OE
B
1C3
1C2
1C1
1C0
1Y
GND
VCC
2OE
A
2C3
2C2
2C1
2C0
2Y
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.
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SN74ALS253NE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Dual 1-of-4 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74ALS253NSR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Dual 1-of-4 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74ALS253NSRE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Dual 1-of-4 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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