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ST1200 Datasheet(PDF) 2 Page - STMicroelectronics |
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ST1200 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 2 page ST1200 2/2 The ST1200 is available in wafer form (either sawn or unsawn) and in micromodule form (on film). For deliveries in wafer form, the memory content is at logical “0”, except for the 9th bit (bit 8). If the delivery is in micromodule, the first bit (bit 0) has been programmed at “1” for final test control. FUNCTIONAL DESCRIPTION The ST1200 has 3 operating modes in the normal system environment. They are selected with the A and B inputs, as shown in Table 2. Power-On Reset Because of the “power-on reset” feature, the ST1200 is ready for operation (with the counter re- set) after “tRST”. (tRST is the time for the output to become available, after the establishment of a val- id level on VCC). The ST1200 starts by presenting the current cell (address 0) to the OUT pin. Table 2. Operating Modes A B Mode 0 0 Reset address counter 0 1 Increment address counter 1 1 Program memory cell 1 0 Forbidden Figure 2. Memory Map SCP083/AI 0 96 255 PROTECTED ZONE NON PROTECTED ZONE 00 08 1 1* 1* : Only for deliveries in micromodules Table 3. Ordering Information Scheme Devices are shipped from the factory with the memory content set at all ‘0’s (00h). For a list of available options (speed, package, etc...) or for further information on any aspect of this device, please contact the ST Sales Office nearest to you. Example: ST1200 - D10 Delivery Form D10 Micromodule on Super 35 mm reel B5 Wafer (280 µm thickness) |
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