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What is TL2272?

This electronic component, produced by the manufacturer "Treasure Link Technology", performs the same function as "Remote control decoding circuit".


TL2272 Datasheet PDF - Treasure Link Technology

Part Number TL2272
Description Remote control decoding circuit
Manufacturers Treasure Link Technology 
Logo Treasure Link Technology Logo 


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Treasure Link Technology Ltd.
兆通科技有限公司
TL2272
TL2272 312 遥控解码电路
简介
TL2272 是与 TL2260/TL2262 配对使用的遥控译码专用集成电路,采用 CMOS 工艺制造,最大拥有 12 位的三
状态地址管脚可支持多达 312(531,441)个地址编码。与 PT2272 兼容。
特点
CMOS 工艺制造,低功耗
◎ 工作电压范围宽:2.4V~6V
◎ 地址码最多可达 531,441
◎ 最多可达 6 位数据管脚
◎ 有锁存型和瞬态输出型
应用范围
◎ 车辆防盗系统
◎ 家庭防盗系统
◎ 遥控玩具
◎ 其它遥控系统
功能方块图
OSC1
OSC2
DI
Oscillator
Buffer
Sync. Detector
Divider
Data Detector
Data Shift
Register
Latch Circuit
Comparator
Comparator
Control Logic
Transmission Gate Circuit
Buffer
DATA
VT
Address
VDD VSS
* All specs and applications shown above subject to change without prior notice.
( 以上电路及规格仅供参考,本公司得径行修正)
Ver 2.0
Page 1 of 9
Datasheet pdf - http://www.DataSheet4U.net/

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TL2272 equivalent
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Treasure Link Technology Ltd.
兆通科技有限公司
TL2272
2. 有效接收确认
TL2272 接收到编码信号时,它会检查该信号是否有效。(1)它必须是一个完整的字码; (2)码地址必须与接收
电路的码地址端子上的设置一致。当进行两个连续有效的接收后,TL2272 会将接收到的数据在相应的数据输出端
输出,并将 VT 置为高电平。请参见下图:
同步位
同步位
DI
数据输出管脚
(瞬态输出)
VT
第一字
第二字
Ta
Tb
Tc
Ta = 8 个时钟宽度
Tb = 1 个时钟宽度
Tc = 2 个字码长度
3. 锁存型或瞬态型数据输出
TL2272 根据其后缀的不同,其数据输出类型可分为锁存型和瞬态型。锁存型的 TL2272-Lx 在接受到有效编码
后将数据输出,并将数据一直保存到下一次接收到有效编码。而瞬态型的 TL2272-Mx 在接收到有效编码后,只是将
数据瞬间输出,接收结束后,并不保留。请参见下图:
DI
数据输出管脚
(瞬态型)
数据输出管脚
(锁存型)
VT
数据字
T
数据输出 X
数据输出 X
数据字
T
数据输出 Y
数据输出 Y
* All specs and applications shown above subject to change without prior notice.
( 以上电路及规格仅供参考,本公司得径行修正)
Ver 2.0
Page 5 of 9
Datasheet pdf - http://www.DataSheet4U.net/


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TL2272 electronic component.


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1. Decoding Circuit ( Datasheet )

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