參數(shù)資料
型號： SN74HCT138DTE4
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： HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝： GREEN, PLASTIC, SOIC-16
文件頁數(shù)： 1/19頁
文件大小： 782K
代理商： SN74HCT138DTE4
SN54HCT138, SN74HCT138
3LINE TO 8LINE DECODERS/DEMULTIPLEXERS
SCLS171E MARCH 1984 REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Voltage Range of 4.5 V to 5.5 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-A Max ICC
D Typical tpd = 17 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 A Max
D Inputs Are TTL-Voltage Compatible
D Designed Specifically for High-Speed
Memory Decoders and Data Transmission
Systems
D Incorporate Three Enable Inputs to Simplify
Cascading and/or Data Reception
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
Y1
Y2
NC
Y3
Y4
C
G2A
NC
G2B
G1
B
A
NC
Y6
Y5
V
Y0
Y7
GND
NC
SN54HCT138 ...FK PACKAGE
(TOP VIEW)
CC
NC No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
B
C
G2A
G2B
G1
Y7
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
SN54HCT138 ...J OR W PACKAGE
SN74HCT138 . . . D, N, NS, OR PW PACKAGE
(TOP VIEW)
description/ordering information
The ’HCT138 devices are designed for high-performance memory-decoding or data-routing applications
requiring very short propagation delay times. In high-performance memory systems, these decoders can
minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable
circuit, the delay times of these decoders and the enable time of the memory usually are less than the typical
access time of the memory. This means that the effective system delay introduced by the decoders is negligible.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube of 25
SN74HCT138N
Tube of 40
SN74HCT138D
SOIC D
Reel of 2500
SN74HCT138DR
HCT138
40
°C to 85°C
SOIC D
Reel of 250
SN74HCT138DT
HCT138
40
°C to 85°C
SOP NS
Reel of 2000
SN74HCT138NSR
HCT138
Tube of 90
SN74HCT138PW
TSSOP PW
Reel of 2000
SN74HCT138PWR
HT138
TSSOP PW
Reel of 250
SN74HCT138PWT
HT138
CDIP J
Tube of 25
SNJ54HCT138J
55
°C to 125°C
CFP W
Tube of 150
SNJ54HCT138W
55 C to 125 C
LCCC FK
Tube of 55
SNJ54HCT138FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2003, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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.
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74HCT138DTG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3Ln To 8Ln Decoder Demultiplexers 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
SN74HCT138N 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Line Decoder 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
SN74HCT138N 制造商:Texas Instruments 功能描述:Decoder / Encoder / Multiplexer / Demult
SN74HCT138NE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3 to 8-Line Decdr/Demltplxer 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
SN74HCT138NG4 制造商:Texas Instruments 功能描述:IC DECODER/DEMUX 74HCT138
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