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SN54F244FK-00 PDF预览

SN54F244FK-00

更新时间： 2024-11-06 20:56:43
品牌 Logo 应用领域
德州仪器 - TI 驱动输出元件逻辑集成电路
页数 文件大小 规格书
20页 1077K
描述
F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20

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SN54F244FK-00 技术参数

生命周期：Obsolete包装说明：QCCN,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.22系列：F/FAST
JESD-30 代码：S-CQCC-N20长度：8.89 mm
逻辑集成电路类型：BUS DRIVER位数：4
功能数量：2端口数量：2
端子数量：20最高工作温度：125 °C
最低工作温度：-55 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：QCCN封装形状：SQUARE
封装形式：CHIP CARRIER传播延迟（tpd）：7 ns
认证状态：Not Qualified座面最大高度：2.03 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：TTL温度等级：MILITARY
端子形式：NO LEAD端子节距：1.27 mm
端子位置：QUAD宽度：8.89 mm
Base Number Matches：1

SN54F244FK-00 数据手册

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SDFS063A − D2932, MARCH 1987 − REVISED OCTOBER 1993  
SN54F244 . . . J PACKAGE  
SN74F244 . . . DB, DW, OR N PACKAGE  
(TOP VIEW)  
• 3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
• Package Options Include Plastic  
Small-Outline (SOIC) and Shrink  
Small-Outline (SSOP) Packages, Ceramic  
Chip Carriers, and Plastic and Ceramic  
DIPs  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
description  
These octal buffers and line drivers are designed  
specifically to improve both the performance and  
density of 3-state memory address drivers, clock  
drivers, and bus-oriented receivers and  
transmitters. Taken together with the ′F240 and  
′F241, these devices provide the choice of  
selected combinations of inverting and  
noninverting outputs, symmetrical OE (active-low  
output-enable) inputs, and complementary OE  
and OE inputs.  
13 2A2  
12 1Y4  
11  
2A1  
SN54F244 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
The ′F244 is organized as two 4-bit buffers/line  
drivers with separate output enable (OE) inputs.  
When OE is low, the device passes data from the  
A inputs to the Y outputs. When OE is high, the  
outputs are in the high-impedance state.  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
1A2  
2Y3  
1A3  
2Y2  
1A4  
4
5
6
7
8
17  
16  
15  
14  
9 10 11 12 13  
The SN74F244 is available in TI’s shrink  
small-outline package (DB), which provides the  
same I/O pin count and functionality of standard  
small-outline packages in less than half the  
printed-circuit-board area.  
The SN54F244 is characterized for operation over  
the full military temperature range of −55°C to  
125°C. The SN74F244 is characterized for  
operation from 0°C to 70°C.  
FUNCTION TABLE  
(each buffer)  
INPUTS  
OUTPUT  
Y
H
L
OE  
A
H
L
L
L
H
X
Z
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ꢚꢟ ꢞ ꢪꢥꢤ ꢢ ꢣ ꢤ ꢞꢜ ꢝꢞ ꢟ ꢠ ꢢ ꢞ ꢣ ꢧꢦ ꢤ ꢛꢝ ꢛꢤꢡ ꢢꢛ ꢞꢜꢣ ꢧꢦ ꢟ ꢢꢬ ꢦ ꢢꢦ ꢟ ꢠꢣ ꢞꢝ ꢋꢦꢭ ꢡꢣ ꢔꢜꢣ ꢢꢟ ꢥꢠ ꢦꢜꢢ ꢣ  
ꢣ ꢢ ꢡ ꢜꢪ ꢡ ꢟꢪ ꢮ ꢡ ꢟꢟ ꢡ ꢜ ꢢꢯꢫ ꢚꢟ ꢞ ꢪꢥꢤ ꢢꢛꢞꢜ ꢧꢟ ꢞꢤ ꢦꢣ ꢣꢛ ꢜꢰ ꢪꢞꢦ ꢣ ꢜꢞꢢ ꢜꢦ ꢤꢦ ꢣꢣ ꢡꢟ ꢛꢩ ꢯ ꢛꢜꢤ ꢩꢥꢪ ꢦ  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
Copyright 1993, Texas Instruments Incorporated  
2−1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443  
1234567...20

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SN54F245FK-00 TI

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