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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M28W320FCT датащи(PDF) 15 Page - STMicroelectronics |
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M28W320FCT датащи(HTML) 15 Page - STMicroelectronics |
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15 / 69 page  M28W320FCT, M28W320FCB Bus operations 15/69 3.5 Automatic Standby Automatic Standby provides a low power consumption state during Read mode. Following a read operation, the device enters Automatic Standby after 150ns of bus inactivity even if Chip Enable is Low, VIL, and the supply current is reduced to IDD1. The data Inputs/Outputs will still output data if a bus Read operation is in progress. 3.6 Reset During Reset mode when Output Enable is Low, VIL, the memory is deselected and the outputs are high impedance. The memory is in Reset mode when Reset is at VIL. The power consumption is reduced to the Standby level, independently from the Chip Enable, Output Enable or Write Enable inputs. If Reset is pulled to VSS during a Program or Erase, this operation is aborted and the memory content is no longer valid. Table 2. Bus Operations(1) Operation E G W RP WP VPP DQ0-DQ15 Bus Read VIL VIL VIH VIH X Don't Care Data Output Bus Write VIL VIH VIL VIH XVDD or VPPH Data Input Output Disable VIL VIH VIH VIH X Don't Care Hi-Z Standby VIH XX VIH X Don't Care Hi-Z Reset XXX VIL X Don't Care Hi-Z 1. X = VIL or VIH, VPPH = 12V ± 5%. |
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