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參數(shù)資料
| 型號： | SN74BCT29821NT |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS |
| 中文描述： | 10位總線接口觸發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 70K |
| 代理商： | SN74BCT29821NT |
DW OR NT PACKAGE
(TOP VIEW)
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24
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15
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13
OE
1D
2D
3D
4D
5D
6D
7D
8D
9D
10D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
9Q
10Q
CLK
SN74BCT29821
10-BIT BUS-INTERFACE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCBS021D – FEBRUARY 1989 – REVISED NOVEMBER 1993
Copyright
1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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)
3-State Buffer-Type Outputs Drive Bus
Lines Directly
Package Options Include Plastic
Small-Outline (DW) Packages and Standard
Plastic 300-mil DIPs (NT)
description
This 10-bit bus-interface flip-flop 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.
The ten flip-flops are edge-triggered D-type flip-flops. On the positive transition of the clock, the Q outputs will
be true to the data (D) inputs.
A buffered output-enable (OE) input can be used to place the ten outputs in either a normal logic state (high or
low) 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 pullup 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 SN74BCT29821 is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
Q
OE
CLK
↑
↑
H or L
D
L
H
H
L
L
L
L
X
Q0
Z
H
X
X
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74BCT29821NTE4 | 功能描述:觸發(fā)器 10-Bit Bus Interface F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74BCT29822DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN74BCT29823DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74BCT29823NT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| SN74BCT29825DW | 功能描述:觸發(fā)器 Octal Bus Interface F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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