MDT75C272 Datasheet, PDF (1/5 Pages) Micon Design Technology Corporation – OTP Encoder using CMOS technology.

1. General Description
MDT75C272
OTP Encoder
The MDT75C272 is 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 CMOS technology.
l Low standby current : 1.0 uA.
l Wide range of Operating Voltage : Vdd = 3.0V ~ 12V.
l Up to 4 data pins.
l Total 1048576 address codes.
l Built-in RC oscillator with single external resistor.
l Available in DIP and SOP package.
l Automatically enter sleep mode if press button over 6 ~ 10 sec
3. Pin Assignment
MDT75C272P / 75C272S
8 pin DIP / SOP
OSCR 1
8 K3
Vdd 2
7 K2
Vss 3
6 K1
TXD 4
5 K0
4. Pin Function Description
Symbol
OSCR
Vdd
Vss
TXD
K0
K1
K2
K3
I/O
Function Description
I
Connect a resistor to Vdd to adjust internal RC freq.
Positive power supply 3.0V ~ 12 V.
Ground.
O
Data output pin.
I
Data input with pull low Resistor.
I
Data input with pull low Resistor.
I
Data input with pull low Resistor.
I
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
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2005/6/20 Ver. 1.3