HY29F040A Datasheet, PDF(26/40 Page) Hynix Semiconductor – 512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory

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HY29F040A Datasheet, PDF (26/40 Pages) Hynix Semiconductor – 512K x 8-bit CMOS 5.0 volt-only, Sector Erase Flash Memory

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SWITCHING WAVEFORMS

Addresses

Data

5.0V

VCC

GND

Data Polling

5555H

tWC

tAH

tAS

tGHWL

tWP

tWPH

tCS

tDH

A0H

tDS

tWHWH1

DQ7

DOUT

Notes:

1. PA is address of the memory location to be programmed.

2. PD is data to be programmed at byte address.

3. /DQ7 is the output of the complement of the data written to the device.

4. DOUT is the output of the data written to the device.

5. Figure indicates last two bus cycles of four bus cycle sequence.

Figure 9. AC Waveforms Program Operations

HY29F040A

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