Features: · 256 x 1 bit Organisation· 96 bits Protected in Write Mode By Lock-Out Fuse· 5 V Power Supply (VCC) and 21 V Programming Voltage (VPP)· 85 mW in Read Mode· Power On Reset· Very High Reliability Level· Standard Delivery: Wafer Form and Micromodule PackageDescriptionThe ST1200 is a 256 bi...
ST1200: Features: · 256 x 1 bit Organisation· 96 bits Protected in Write Mode By Lock-Out Fuse· 5 V Power Supply (VCC) and 21 V Programming Voltage (VPP)· 85 mW in Read Mode· Power On Reset· Very High Relia...
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The ST1200 is a 256 bit OTP (one time programmable) EPROM, organized as 256 x 1, manufactured using ST's highly reliable and well proven NMOS technology.
The security mechanism of the ST1200, called Lock-Out, allows the user to inhibit, in write mode, the access to a memory section of 96 bits. Thus, by blowing a polysilicon fuse, the address bits 0 to 95 can be protected against write.
The 9th bit of the ST1200 is set to a logical "1" for device identification purposes. In order to avoid any modification, ST has mask-programmed this bit to the logic "1" state.