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SN74LS138N 参数 Datasheet PDF下载

SN74LS138N图片预览
型号: SN74LS138N
PDF下载: 下载PDF文件 查看货源
内容描述: 1 - OF- 8解码器/解复用器 [1-of-8 Decoder/ Demultiplexer]
分类和应用: 解码器解复用器
文件页数/大小: 8 页 / 81 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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SN74LS138
1-of-8 Decoder/
Demultiplexer
The LSTTL/MSI SN74LS138 is a high speed 1-of-8 Decoder/
Demultiplexer. This device is ideally suited for high speed bipolar
memory chip select address decoding. The multiple input enables
allow parallel expansion to a 1-of-24 decoder using just three LS138
devices or to a 1-of-32 decoder using four LS138s and one inverter.
The LS138 is fabricated with the Schottky barrier diode process for
high speed and is completely compatible with all ON Semiconductor
TTL families.
Demultiplexing Capability
Multiple Input Enable for Easy Expansion
Typical Power Dissipation of 32 mW
Active Low Mutually Exclusive Outputs
Input Clamp Diodes Limit High Speed Termination Effects
GUARANTEED OPERATING RANGES
Symbol
VCC
TA
IOH
IOL
Parameter
Supply Voltage
Operating Ambient
Temperature Range
Output Current – High
Output Current – Low
Min
4.75
0
Typ
5.0
25
Max
5.25
70
–0.4
8.0
Unit
V
°C
mA
mA
16
1
http://onsemi.com
LOW
POWER
SCHOTTKY
16
1
PLASTIC
N SUFFIX
CASE 648
SOIC
D SUFFIX
CASE 751B
16
1
SOEIAJ
M SUFFIX
CASE 966
ORDERING INFORMATION
Device
SN74LS138N
SN74LS138D
SN74LS138DR2
SN74LS138M
SN74LS138MEL
Package
16 Pin DIP
SOIC–16
SOIC–16
SOEIAJ–16
SOEIAJ–16
Shipping
2000 Units/Box
38 Units/Rail
2500/Tape & Reel
See Note 1
See Note 1
1. For ordering information on the EIAJ version of
the SOIC package, please contact your local
ON Semiconductor representative.
©
Semiconductor Components Industries, LLC, 2001
1
October, 2001 – Rev. 7
Publication Order Number:
SN74LS138/D