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參數資料
| 型號： | SN74LS253N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
| 中文描述： | LS SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 166K |
| 代理商： | SN74LS253N |
5-416
FAST AND LS TTL DATA
DUAL 4-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
The LSTTL/MSI SN54/74LS253 is a Dual 4-Input Multiplexer with 3-state
outputs. It can select two bits of data from four sources using common select
inputs. The outputs may be individually switched to a high impedance state
with a HIGH on the respective Output Enable (E0) inputs, allowing the outputs
to interface directly with bus oriented systems. It is fabricated with the
Schottky barrier diode process for high speed and is completely compatible
with all Motorola TTL families.
Schottky Process for High Speed
Multifunction Capability
Non-Inverting 3-State Outputs
Input Clamp Diodes Limit High Speed Termination Effects
CONNECTION DIAGRAM DIP
(TOP VIEW)
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
PIN NAMES
LOADING
(Note a)
HIGH
LOW
S0, S1
Multiplexer A
E0a
I0a–I3a
Za
Multiplexer B
E0b
I0b–I3b
Zb
NOTES:
a) 1 TTL Unit Load (U.L.) = 40
μ
A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 7.5 U.L. for Military (54) and 15 U.L. for Commercial (74)
Temperature Ranges. The Output HIGH drive factor is 25 U.L. for Military (54) and 65 U.L. for
Commercial (74) Temperature Ranges.
Common Select Inputs
0.5 U.L.
0.25 U.L.
Output Enable (Active LOW) Input
Multiplexer Inputs
Multiplexer Output (Note b)
0.5 U.L.
0.5 U.L.
0.25 U.L.
0.25 U.L.
15 (7.5) U.L.
65 (25) U.L.
Output Enable (Active LOW) Input
Multiplexer Inputs
Multiplexer Output (Note b)
0.5 U.L.
0.5 U.L.
0.25 U.L.
0.25 U.L.
15 (7.5) U.L.
65 (25) U.L.
SN54/74LS253
DUAL 4-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS253NE4 | 功能描述:編碼器、解碼器、復用器和解復用器 Dual 4-to-1 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LS253NMOT87 | 制造商:Motorola 功能描述:74LS253N |
| SN74LS253NS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS253NSR | 功能描述:編碼器、解碼器、復用器和解復用器 Dual 4-to-1 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LS253NSRE4 | 功能描述:編碼器、解碼器、復用器和解復用器 Dual 4-to-1 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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