MDT75C272 Datasheet, PDF (2/5 Pages) Micon Design Technology Corporation – OTP Encoder using CMOS technology.

5.Output Data Reporting
MDT75C272
OTP Encoder
Output data frame
Preamble
C0 ~ C19 ( 1048576 address codes )
D0 D1 D2 D3
Preamble :
4 Ick
636 Ick for 75C272
Data High :
Data Low :
4 Ick
Note : 1 Ick = 8 OSC clocks
12 Ick
12 Ick
6. Key 0 ~ 3 combination table
K3 K2 K1 K0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
4 Ick
D3 D2 D1 D0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
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. 1.3