参数资料
型号: ST62P35BQ1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP52
封装: PLASTIC, QFP-52
文件页数: 79/82页
文件大小: 617K
代理商: ST62P35BQ1/XXX
80/82
ST6235B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6235B is mask programmed ROM version
of ST62T35B 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.
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
14V typ
100 s ma x
t
4mA typ
10 0mA
15 0 s typ
ma x
TES T
TEST
VR02003
PROTECT
ZP D15
5V
V
SS
V
DD
TE S T
47
F
m
100nF
15V
14V
1
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