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AM29LV010B-70EK Datasheet(PDF) 11 Page - Advanced Micro Devices |
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AM29LV010B-70EK Datasheet(HTML) 11 Page - Advanced Micro Devices |
11 / 36 page October 11, 2006 22140D6 Am29LV010B 11 D A TA SH EE T system can then read autoselect codes from the internal register (which is separate from the memory array) on DQ7–DQ0. Standard read cycle timings apply in this mode. Refer to the Autoselect Mode and Autose- lect Command Seque nce sect ions fo r mo re information. ICC2 in the DC Characteristics table represents the active current specification for the write mode. The “AC Characteristics” section contains timing specification tables and timing diagrams for write operations. Program and Erase Operation Status During an erase or program operation, the system may check the status of the operation by reading the status bits on DQ7–DQ0. Standard read cycle timings and ICC read specifications apply. Refer to “Write Operation Status” for more information, and to “AC Characteris- tics” for timing diagrams. Standby Mode When the system is not reading or writing to the device, it can place the device in the standby mode. In this mode, current consumption is greatly reduced, and the outputs are placed in the high impedance state, inde- pendent of the OE# input. The device enters the CMOS standby mode when the CE# pin is held at VCC ± 0.3 V. (Note that this is a more restricted voltage range than VIH.) If CE# is held at VIH, but not within VCC ± 0.3 V, the device will be in the standby mode, but the standby current will be greater. The device requires standard access time (tCE) for read access when the device is in either of these standby modes, before it is ready to read data. If the device is deselected during erasure or program- ming, the device draws active current until the operation is completed. ICC3 in the DC Characteristics table represents the standby current specification. Automatic Sleep Mode The automatic sleep mode minimizes Flash device energy consumption. The device automatically enables this mode when addresses remain stable for tACC + 30 ns. The automatic sleep mode is independent of the CE#, WE#, and OE# control signals. Standard address access timings provide new data when addresses are changed. While in sleep mode, output data is latched and always available to the system. ICC4 in the DC Characteristics table represents the automatic sleep mode current specification. Output Disable Mode When the OE# input is at VIH, output from the device is disabled. The output pins are placed in the high imped- ance state. Table 2. Am29LV010B Uniform Sector Address Table Sector A16 A15 A14 Address Range SA0 0 0 0 00000h-03FFFh SA1 0 0 1 04000h-07FFFh SA2 0 1 0 08000h-0BFFFh SA3 0 1 1 0C000h-0FFFFh SA4 1 0 0 10000h-13FFFh SA5 1 0 1 14000h-17FFFh SA6 1 1 0 18000h-1BFFFh SA7 1 1 1 1C000h-1FFFFh |
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