參數(shù)資料
型號(hào): ST62E40B
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
中文描述: 該CAT24FC02是一個(gè)2 KB的EEPROM的國內(nèi)256個(gè)8位每字舉辦的串行CMOS
文件頁數(shù): 70/72頁
文件大小: 445K
代理商: ST62E40B
70/72
70
ST6240B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6240B is mask programmed ROM version
of ST62T40B 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
0.5s min
TEST
15
14V typ
10
5
TEST
100mA
max
4mA typ
VR02001
150
μ
styp
t
VR02003
TEST
5V
100nF
47mF
PROTECT
100nF
V
DD
V
SS
ZPD15
15V
14V
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