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M29W008B-150N1TR Datasheet(PDF) 2 Page - STMicroelectronics |
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M29W008B-150N1TR Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 30 page VSS DQ1 DQ2 A7 A1 E A4 A3 A11 A17 A14 A15 DQ7 A9 A16 G NC DQ5 DQ3 NC VCC DQ4 DQ6 A8 W RB A18 NC RP AI02190 M29W008T M29W008B 10 1 11 20 21 30 31 40 A0 A12 A13 A19 A10 A5 A6 VCC DQ0 VSS A2 Figure 2. TSOP Pin Connections A0-A19 Address Inputs DQ0-DQ7 Data Input/Outputs, Command Inputs E Chip Enable G Output Enable W Write Enable RP Reset / Block Temporary Unprotect RB Ready/Busy Output VCC Supply Voltage VSS Ground Table 1. Signal Names Warning: NC = Not Connected. the application. Each block can be programmed and erased over 100,000 cycles. Instructions for Read/Reset, Auto Select for read- ing the Electronic Signature or Block Protection status, Programming, Block and Chip Erase, Erase Suspend and Resume are written to the device in cycles of commands to a Command Interface using standard microprocessor write timings. The device is offered in TSOP40 (10 x 20mm) package. Organisation The M29W008 is organised as 1Mb x 8. The mem- ory uses the address inputs A0-A19 and the Data Input/Outputs DQ0-DQ7. Memory control is pro- vided by Chip Enable E, Output Enable G and Write Enable W inputs. A Reset/Block Temporary Unprotection RP tri-level input provides a hardware reset when pulled Low, and when held High (at VID) temporarily unprotects blocks previously protected allowing them to be programed and erased. Erase and Program opera- tions are controlled by an internal Program/Erase Controller (P/E.C.). Status Register data output on DQ7 provides a Data Polling signal, and DQ6 and DQ2 provide Toggle signals to indicate the state of the P/E.C operations. A Ready/Busy RB output indicates the completion of the internal algorithms. DESCRIPTION (Cont’d) Symbol Parameter Value Unit TA Ambient Operating Temperature (3) –40 to 85 °C TBIAS Temperature Under Bias –50 to 125 °C TSTG Storage Temperature –65 to 150 °C VIO (2) Input or Output Voltages –0.6 to 5 V VCC Supply Voltage –0.6 to 5 V V(A9, E, G, RP) (2) A9, E, G, RP Voltage –0.6 to 13.5 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 STMicroelectronics SURE Program and other relevant quality documents. 2. Minimum Voltage may undershoot to –2V during transition and for less than 20ns. 3. Depends on range. Table 2. Absolute Maximum Ratings (1) 2/30 M29W008T, M29W008B |
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