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MDT75C273

MDTIC
Part Number MDT75C273
Manufacturer MDTIC
Description OTP Encoder
Published May 15, 2007
Detailed Description MDT75C273 OTP Encoder 1. General Description The MDT75C273 i s an OTP Encoder using CMOS technology. It has a maximum of...
Datasheet PDF File MDT75C273 PDF File

MDT75C273
MDT75C273

Overview
MDT75C273 OTP Encoder 1.
General Description The MDT75C273 i s an OTP Encoder using CMOS technology.
It has a maximum of 20 bits addressing code providing up to one million codes.
It can reduce any code collision and unauthorized code scanning possibilities.
2.
Features l l l l l l l l CMOS technology.
Low standby current : 1.
0 uA.
Wide range of Operating Voltage : Vdd = 3.
0V ~ 12V.
Up to 4 data pins.
Total 1048576 address codes.
Built-in RC oscillator with single external resistor.
Available in DIP and SOP package.
Automatically enter sleep mode if press button over 6 ~ 10 sec 3.
Pin Assignment MDT75C273P / 75C273S 8 pin DIP / SOP www.
DataSheet4U.
com OSCR Vdd Vss TXD 1 2 3 4 8 7 6 5 K3 K2 K1 K0 4.
Pin Function Description Symbol OSCR Vdd Vss TXD K0 K1 K2 K3 O I I I I I/O I Function Description Connect a resistor to Vdd to adjust internal RC freq.
Positive power supply 3.
0V ~ 12 V.
Ground.
Data output pin.
Data input with pull low Resistor.
Data input with pull low Resistor.
Data input with pull low Resistor.
Data input with pull low Resistor.
This specification is subject to be changed without notice.
Please visit our web site for the most updated information.
http://www.
mdtic.
com.
tw 1 of 5 2005/6/20 Ver.
1.
0 MDT75C273 OTP Encoder 5.
Output Data Reporting Output data frame Preamble Preamble : 4 Ick Data High : 12 Ick Data Low : 4 Ick Note : 1 Ick = 8 OSC clocks 12 Ick 4 Ick 124 Ick for 75C273 C0 ~ C19 ( 1048576 address codes ) D0 D1 D2 D3 6.
Key 0 ~ 3 combination table K3 0 0 0 0 0 0 0 1 K2 0 0 0 1 1 1 1 0 K1 0 1 1 0 0 1 1 0 K0 1 0 1 0 1 0 1 0 D3 0 0 0 1 1 1 1 1 D2 0 0 0 1 1 1 1 1 D1 0 1 1 0 0 1 1 1 D0 1 1 0 0 1 1 0 1 This specification is subject to be changed without notice.
Please visit our web site for the most updated information.
http://www.
mdtic.
com.
tw 2 of 5 2005/6/20 Ver.
1.
0 MDT75C273 OTP Encoder 7.
Absolute Maximum Rating Symbol Vdd Vi Vo Tst Top Pdis Parameter Supply Voltage Input Voltage Output Voltage Storage Temp.
Operating Temp.
Max.
Powe...


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