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ST93C47TB1TR Datasheet(PDF) 2 Page - STMicroelectronics |
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ST93C47TB1TR Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 13 page Symbol Parameter Value Unit TA Ambient Operating Temperature –40 to 125 °C TSTG Storage Temperature –65 to 150 °C TLEAD Lead Temperature, Soldering (SO8 package) (PSDIP8 package) 40 sec 10 sec 215 260 °C VIO Input or Output Voltages (Q = VOH or Hi-Z) –0.3 to VCC +0.5 V VCC Supply Voltage –0.3 to 6.5 V VESD Electrostatic Discharge Voltage (Human Body model) (2) ST93C46A,T ST93C46C 2000 4000 V Electrostatic Discharge Voltage (Machine model) (3) ST93C46 500 V Notes: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the SGS-THOMSON SURE Program and other relevant quality documents. 2. MIL-STD-883C, 3015.7 (100pF, 1500 Ω). 3. EIAJ IC-121 (Condition C) (200pF, 0 Ω). Table 2. Absolute Maximum Ratings (1) 1 VSS Q ORG DU C SVCC D AI00874C ST93C46 ST93C47 2 3 4 8 7 6 5 Figure 2B. SO Pin Connections Warning: DU = Don’t Use VSS Q ORG DU C SVCC D AI00872C ST93C46 ST93C47 1 2 3 4 8 7 6 5 Figure 2A. DIP Pin Connections Warning: DU = Don’t Use 1 D C Q VSS VCC DU ORG S AI00982B ST93C46T ST93C47T 2 3 4 8 7 6 5 Figure 2C. SO, 90 ° Turn, Pin Connections Warning: DU = Don’t Use The 1K bit memory is divided into either 128 x 8 bit bytes or 64 x 16 bit words. The organization may be selected by a signal on the ORG input. The memory is accessed by a set of instructions which includes Read a byte/word, Write a byte/word, Erase a byte/word, Erase All and Write All. A Read instruction loads the address of the first byte/word to be read into an internal address pointer. The data is then clocked out serially. The address pointer is automatically incremented after the data is output and, if the Chip Select input (S) is held High, the ST93C46 can output a sequen- tial stream of data bytes/words. In this way, the memory can be read as a data stream from 8 to 1024 bits long, or continuously as the address DESCRIPTION (cont’d) 2/13 ST93C46A/46C/46T, ST93C47C/47T |
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