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SN74BCT29844

更新时间： 2024-11-14 12:22:31
品牌 Logo 应用领域
德州仪器 - TI 锁存器
页数 文件大小 规格书
6页 99K
描述
9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OURPUTS

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中文翻译

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SN74BCT29844 数据手册

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SCBS077A − SEPTEMBER 1991 − REVISED NOVEMBER 1993  
DW OR NT PACKAGE  
(TOP VIEW)  
• State-of-the-Art BiCMOS Design  
Significantly Reduces I  
CCZ  
• ESD Protection Exceeds 2000 V Per  
MIL-STD-883C, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
OE  
1D  
2D  
3D  
4D  
5D  
6D  
7D  
8D  
V
CC  
1
2
3
4
5
6
7
8
9
24  
23 1Q  
22 2Q  
21 3Q  
20 4Q  
19 5Q  
18 6Q  
17 7Q  
16 8Q  
15 9Q  
14 PRE  
13 LE  
• Package Options Include Plastic  
Small-Outline (DW) Packages and Standard  
Plastic 300-mil DIPs (NT)  
description  
The SN74BCT29844 features 3-state outputs  
designed specifically for driving highly capacitive  
or relatively low-impedance loads. It is particularly  
suitable for implementing wider buffer registers,  
I/O ports, bidirectional bus drivers with parity, and  
working registers.  
9D 10  
CLR 11  
GND 12  
The nine latches are transparent D-type latches. When the latch-enable (LE) input is high, the Q outputs are  
complementary to the inverting data (D) inputs.  
A buffered output-enable (OE) input can be used to place the nine outputs in either a normal logic state (high  
or low level) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus  
lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without  
need for interface or pull-up components.  
The output enable (OE) does not affect the internal operation of the flip-flops. Old data can be retained or new  
data can be entered while the outputs are in the high-impedance state.  
The SN74BCT29844 is characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUT  
Q
PRE  
L
CLR  
X
OE  
L
LE  
X
D
X
X
L
H
L
H
L
L
X
H
H
L
H
H
L
H
L
H
H
L
H
X
X
H
H
L
Q
0
X
X
H
X
Z
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Copyright 1993, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443  
123456

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与SN74BCT29844相关器件

型号 品牌 获取价格 描述 数据表
SN74BCT29844DW TI

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 		9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OURPUTS
SN74BCT29844DW-00 TI

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 		BCT/FBT SERIES, 9-BIT DRIVER, INVERTED OUTPUT, PDSO24
SN74BCT29844DWR TI

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 		暂无描述
SN74BCT29844NT TI

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 		9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OURPUTS
SN74BCT29844NT-10 TI

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 		BCT/FBT SERIES, 9-BIT DRIVER, INVERTED OUTPUT, PDIP24
SN74BCT29845DW-00 TI

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 		BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO24
SN74BCT29846 TI

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 		8-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OUTPUTS
SN74BCT29846DW TI

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 		IC,LATCH,SINGLE,8-BIT,BICMOS-TTL,SOP,24PIN,PLASTIC
SN74BCT29846DW-00 TI

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 		BCT/FBT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO24
SN74BCT29846NT ROCHESTER

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 		Bus Driver, BCT/FBT Series, 1-Func, 8-Bit, Inverted Output, BICMOS, PDIP24, 0.300 INCH, PL

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