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M28C17-30BS6 Datasheet(PDF) 3 Page - STMicroelectronics |
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M28C17-30BS6 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 19 page Symbol Parameter Value Unit TA Ambient Operating Temperature (2) –40 to 85 °C TSTG Storage Temperature Range – 65 to 150 °C VCC Supply Voltage – 0.3 to 6.5 V VIO Input/Output Voltage – 0.3 to VCC +0.6 V VI Input Voltage – 0.3 to 6.5 V VESD Electrostatic Discharge Voltage (Human Body model) 3000 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 i mplied. 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. Depends on range. Table 2. Absolute Maximum Ratings (1) Mode E G W DQ0 - DQ7 Read VIL VIL VIH Data Out Write VIL VIH VIL Data In Standby / Write Inhibit VIH X X Hi-Z Write Inhibit X X VIH Data Out or Hi-Z Write Inhibit X VIL X Data Out or Hi-Z Output Disable X VIH X Hi-Z Note: X= VIH or VIL Table 3. Operating Modes The circuit has been designed to offer a flexible microcontroller interface featuring both hardware and software handshakingmode with Ready/Busy, Data Polling and Toggle Bit. The M28C16A/17A supports 32 byte page write operation. PIN DESCRITPION Addresses (A0-A10). The address inputs select an 8-bit memory location during a read or write operation. Chip Enable (E). The chip enable input must be low to enable all read/write operations. When Chip Enable is high, power consumption is reduced. Output Enable (G). The Output Enable input con- trols the data output buffers and is used to initiate read operations. Data In/ Out (DQ0 - DQ7). Data is written to or read from the M28C16A/17A through the I/O pins. Write Enable (W). The Write Enable input controls the writing of data to the M28C16A/17A. Ready/Busy (RB). Ready/Busy is an open drain output that can be used to detect the end of the internal write cycle. Ready/Busy is available for the M28C17A in PDIP, PLCC and SO packages, and for the M28C16A in TSOP only. OPERATION In order to prevent data corruption and inadvertent write operations during power-up, a Power On Reset (POR) circuit resets all internal programming cicuitry. Access to the memory in write mode is allowed after a power-up as specified in Table 7. Read The M28C16A/17Ais accessed like a static RAM. When E and G are low with W high, the data addressed is presented on the I/O pins. The I/O pins are high impedancewhen either G or E is high. DESCRIPTION (cont’d) 3/19 M28C16A, M28C17A |
Similar Part No. - M28C17-30BS6 |
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Similar Description - M28C17-30BS6 |
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