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參數(shù)資料
| 型號(hào)： | SN74LS139DR2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 60K |
| 代理商： | SN74LS139DR2 |
5-1
FAST AND LS TTL DATA
DUAL 1-OF-4 DECODER/
DEMULTIPLEXER
The LSTTL/MSI SN54/74LS139 is a high speed Dual 1-of-4 Decoder /De-
multiplexer. The device has two independent decoders, each accepting two
inputs and providing four mutually exclusive active LOW Outputs. Each
decoder has an active LOW Enable input which can be used as a data input
for a 4-output demultiplexer. Each half of the LS139 can be used as a function
generator providing all four minterms of two variables. The LS139 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
Two Completely Independent 1-of-4 Decoders
Active Low Mutually Exclusive Outputs
Input Clamp Diodes Limit High Speed Termination Effects
ESD > 3500 Volts
CONNECTION DIAGRAM DIP (TOP VIEW)
14
13
12
11
10
9
123
45
6
7
16
15
8
VCC
Ea
Eb
AOb
A1b
O0b
O2b
O1b
O3b
A0a
A1a
O0a
O1a
O2a
O3a GND
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
PIN NAMES
LOADING (Note a)
HIGH
LOW
A0, A1
E
O0 –O3
Address Inputs
Enable (Active LOW) Input
Active LOW Outputs (Note b)
0.5 U.L.
10 U.L.
0.25 U.L.
5 (2.5) U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40
A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
Temperature Ranges.
SN54/74LS139
DUAL 1-OF-4 DECODER /
DEMULTIPLEXER
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
SN54LSXXXJ
Ceramic
SN74LSXXXN
Plastic
SN74LSXXXD
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
VCC = PIN 16
GND = PIN 8
O1
12 3
15
14 13
4
5
6
7
12 11 10 9
EA0 A1
DECODER a
DECODER b
O0 O1 O2 O3
O0
O2 O3
EA0 A1
LOGIC DIAGRAM
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
A0a A1a
Ea
A0b
O3a
O0b
O1b
O2b
O3b
O1a
O2a
Eb
A1b
O0a
12
7
3
5
4
6
9
10
14
11
12
13
15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS139JD | LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDIP16 |
| SN74LS139JDS | LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDIP16 |
| SN74LS139NDS | LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| SN74LS139NG | LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| SN74LS145FN | LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PQCC20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS139M | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS139N | 制造商:Panasonic Industrial Company 功能描述:IC |
| SN74LS139ND | 制造商:Motorola Inc 功能描述: |
| SN74LS139NDS | 制造商:Motorola Inc 功能描述: |
| SN74LS145D | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BDC to Decimal 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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