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SNJ54AC244FK PDF预览

SNJ54AC244FK

更新时间: 2024-11-17 05:04:39
品牌 Logo 应用领域
德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
14页 361K
描述
OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SNJ54AC244FK 数据手册

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ꢉ ꢅꢊꢄꢋ ꢌꢍꢎ ꢎ ꢏꢐꢀ ꢑ ꢒꢐ ꢓ ꢔꢏ ꢐ  
SCAS514E − JUNE 1995 − REVISED OCTOBER 2003  
SN54AC244 . . . J OR W PACKAGE  
SN74AC244 . . . DB, DW, N, NS, OR PW PACKAGE  
(TOP VIEW)  
D
D
D
2-V to 6-V V  
Operation  
CC  
Inputs Accept Voltages to 6 V  
Max t of 7.5 ns at 5 V  
pd  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
description/ordering information  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
These octal buffers and line drivers are designed  
specifically to improve the performance and  
density of 3-state memory address drivers, clock  
drivers, and bus-oriented receivers and  
transmitters.  
The ’AC244 devices are organized as two 4-bit  
buffers/drivers with separate output-enable (OE)  
inputs. When OE is low, the device passes  
noninverted data from the A inputs to the Y  
outputs. When OE is high, the outputs are in the  
high-impedance state.  
SN54AC244 . . . FK PACKAGE  
(TOP VIEW)  
To ensure the high-impedance state during power  
up or power down, OE should be tied to V  
CC  
through a pullup resistor; the minimum value of  
the resistor is determined by the current-sinking  
capability of the driver.  
3
2
1
20 19  
18  
1Y1  
2A4  
1Y2  
1A2  
2Y3  
1A3  
2Y2  
1A4  
4
5
6
7
8
17  
16  
15 2A3  
14  
1Y3  
9 10 11 12 13  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
PDIP − N  
Tube  
SN74AC244N  
SN74AC244N  
Tube  
SN74AC244DW  
SN74AC244DWR  
SN74AC244NSR  
SN74AC244DBR  
SN74AC244PW  
SN74AC244PWR  
SNJ54AC244J  
SOIC − DW  
AC244  
Tape and reel  
Tape and reel  
Tape and reel  
Tube  
SOP − NS  
AC244  
AC244  
−40°C to 85°C  
SSOP − DB  
TSSOP − PW  
AC244  
Tape and reel  
Tube  
CDIP − J  
CFP − W  
LCCC − FK  
SNJ54AC244J  
Tube  
SNJ54AC244W  
SNJ54AC244FK  
SNJ54AC244W  
SNJ54AC244FK  
−55°C to 125°C  
Tube  
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.  
Copyright 2003, Texas Instruments Incorporated  
ꢉ ꢛ ꢦ ꢞ ꢝꢩ ꢤꢣ ꢡꢢ ꢣꢝ ꢟꢦ ꢨꢚ ꢠꢛ ꢡ ꢡꢝ ꢰꢓ ꢋꢘ ꢙꢐ ꢎ ꢘꢗꢱꢂ ꢗꢂꢇ ꢠꢨꢨ ꢦꢠ ꢞ ꢠ ꢟꢥ ꢡꢥꢞ ꢢ ꢠ ꢞ ꢥ ꢡꢥ ꢢꢡꢥ ꢩ  
ꢡ ꢥ ꢢ ꢡꢚ ꢛꢯ ꢝꢜ ꢠ ꢨꢨ ꢦꢠ ꢞ ꢠ ꢟ ꢥ ꢡ ꢥ ꢞ ꢢ ꢪ  
ꢤ ꢛꢨ ꢥꢢꢢ ꢝ ꢡꢫꢥ ꢞ ꢭꢚ ꢢꢥ ꢛ ꢝꢡꢥ ꢩꢪ ꢉ ꢛ ꢠꢨ ꢨ ꢝ ꢡꢫꢥ ꢞ ꢦꢞ ꢝ ꢩꢤꢣ ꢡꢢ ꢇ ꢦꢞ ꢝ ꢩꢤꢣ ꢡꢚꢝ ꢛ  
ꢝꢥ  
ꢝꢡ  
ꢩꢥ  
ꢥꢞ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SNJ54AC244FK 替代型号

型号 品牌 替代类型 描述 数据表
5962-87552012A TI

完全替代

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