HY27UH088GDM Hynix Semiconductor, HY27UH088GDM Datasheet - Page 52
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HY27UH088GDM
Manufacturer Part Number
HY27UH088GDM
Description
8G-Bit NAND Flash Memory
Manufacturer
Hynix Semiconductor
Datasheet
1.HY27UH088GDM.pdf
(53 pages)
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Preliminary
HY27UH088G(2/D)M Series
8Gbit (1Gx8bit) NAND Flash
Application Note
1. Power-on/off Sequence
After power is on, the device starts an internal circuit initialization when the power supply voltage reaches a specific
level. The device shows its internal initialization status with the Ready/Busy signal if initialization is on progress. While
the device is initializing, the device sets internal registeries to default value and generates internal biases to operate
circuits. Typically the initializing time of 20us is required.
Power-off or power failure before write/erase operation is complete will cause a loss of data. The WP# signal helps
user to protect not only the data integrity but also device circuitry from being damaged at power-on/off by keeping
WP# at VIL during power-on/off.
For the device to operate stably, it is highly recommended to operate the device as shown Fig.38.
Figure 38: Power-on/off sequence
Rev 0.5 / Oct. 2005
52
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