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M29F080A-120M6T Datasheet(PDF) 3 Page - STMicroelectronics |
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M29F080A-120M6T Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 21 page 3/21 M29F080A SIGNAL DESCRIPTIONS See Figure 1, Logic Diagram, and Table 1, Signal Names, for a brief overview of the signals connect- ed to this device. Address Inputs (A0-A19). The Address Inputs select the cells in the memory array to access dur- ing Bus Read operations. During Bus Write opera- tions they control the commands sent to the Command Interface of the internal state machine. Data Inputs/Outputs (DQ0-DQ7). The Data In- puts/Outputs output the data stored at the selected address during a Bus Read operation. During Bus Write operations they represent the commands sent to the Command Interface of the internal state machine. Chip Enable (E). The Chip Enable, E, activates the memory, allowing Bus Read and Bus Write op- erations to be performed. When Chip Enable is High, VIH, all other pins are ignored. Output Enable (G). The Output Enable, G, con- trols the Bus Read operation of the memory. Write Enable (W). The Write Enable, W, controls the Bus Write operation of the memory’s Com- mand Interface. Reset/Block Temporary Unprotect (RP). The Re- set/Block Temporary Unprotect pin can be used to apply a Hardware Reset to the memory or to tem- porarily unprotect all blocks that have been pro- tected. Table 2. Absolute Maximum Ratings (1) Note: 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 condi- tions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant qual- ity documents. 2. Minimum Voltage may undershoot to –2V during transition and for less than 20ns during transitions. Symbol Parameter Value Unit TA Ambient Operating Temperature (Temperature Range Option 1) 0 to 70 °C Ambient Operating Temperature (Temperature Range Option 6) –40 to 85 °C Ambient Operating Temperature (Temperature Range Option 3) –40 to 125 °C TBIAS Temperature Under Bias –50 to 125 °C TSTG Storage Temperature –65 to 150 °C VIO (2) Input or Output Voltage –0.6 to 6 V VCC Supply Voltage –0.6 to 6 V VID Identification Voltage –0.6 to 13.5 V Table 3. Uniform Block Addresses, M29F080A # Size (Kbytes) Address Range Protection Group 15 64 F0000h-FFFFFh 7 14 64 E0000h-EFFFFh 13 64 D0000h-DFFFFh 6 12 64 C0000h-CFFFFh 11 64 B0000h-BFFFFh 5 10 64 A0000h-AFFFFh 9 64 90000h-9FFFFh 4 8 64 80000h-8FFFFh 7 64 70000h-7FFFFh 3 6 64 60000h-6FFFFh 5 64 50000h-5FFFFh 2 4 64 40000h-4FFFFh 3 64 30000h-3FFFFh 1 2 64 20000h-2FFFFh 1 64 10000h-1FFFFh 0 0 64 00000h-0FFFFh |
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