參數(shù)資料
型號： SNJ54HCT139W
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, CDFP16
封裝： CERAMIC, DFP-16
文件頁數(shù)： 1/15頁
文件大?。?/td> 559K
代理商： SNJ54HCT139W
SN54HCT139, SN74HCT139
DUAL 2LINE TO 4LINE DECODERS/DEMULTIPLEXERS
SCLS066D MARCH 1982 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 = 10 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 Two Enable Inputs to Simplify
Cascading and/or Data Reception
description/ordering information
The
’HCT139
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 time 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
SN74HCT139N
Tube of 40
SN74HCT139D
SOIC D
Reel of 2500
SN74HCT139DR
HCT139
40
°C to 85°C
SOIC D
Reel of 250
SN74HCT139DT
HCT139
40 C to 85 C
SSOP DB
Reel of 2000
SN74HCT139DBR
HT139
TSSOP PW
Reel of 2000
SN74HCT139PWR
HT139
TSSOP PW
Reel of 250
SN74HCT139PWT
HT139
CDIP J
Tube of 25
SNJ54HCT139J
55
°C to 125°C
CFP W
Tube of 150
SNJ54HCT139W
55 C to 125 C
LCCC FK
Tube of 55
SNJ54HCT139FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
2A
2B
NC
2Y0
2Y1
1B
1Y0
NC
1Y1
1Y2
1A
1G
NC
2Y3
2Y2
V
2G
1Y3
GND
NC
SN54HCT139 . . . 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
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
VCC
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
SN54HCT139 ...J OR W PACKAGE
SN74HCT139 . . . D, DB, N, OR PW PACKAGE
(TOP VIEW)
Copyright
2003, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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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