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ST6215L Datasheet(PDF) 2 Page - STMicroelectronics

Part No. ST6215L
Description  LOW VOLTAGE 8-BIT ROM MCUs WITH A/D CONVERTER AND 28 PINS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST6215L Datasheet(HTML) 2 Page - STMicroelectronics

 
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ST6215L/25L
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6215L/25L are low voltage mask pro-
grammed ROM version of ST62T15C,T25C OTP
devices.
They offer the same functionality as OTP devices,
selecting as ROM options the options defined in
the programmable option byte of the OTP version,
with the exception of the LVD Reset that is not
available.
Figure 1. Programming wave form
1.2 ROM READOUT PROTECTION
If the ROM READOUT PROTECTION option is
selected, a protection fuse can be blown to pre-
vent any access to the program memory content.
In case the user wants to blow this fuse, high volt-
age must be applied on the TEST pin.
Figure 2. Programming Circuit
Note: ZPD15 is used for overvoltage protection
VR02001
0.5s min
15
10
5
1 4V typ
100 s max
t
t
4mA typ
100mA
150 s typ
max
TES T
TES T
VR02003
PROTECT
ZP D15
5V
V
SS
V
DD
TE S T
47
F
m
100nF
100nF
15V
14V
1


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