GD25Q21 datasheet(41/49 Pages) ELM

Part #	GD25Q21

Description	Uniform Sector Dual and Quad Serial Flash

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	ELM [ELM Electronics]

Direct Link	http://www.elmelectronics.com

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41 / 49 page

Rev.1.1

49 -

http://www.elm-tech.com

GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash

8.1. Power-On Timing

Symbol

Parameter

Min

Typ

Max

Unit

tVSL

VCC(min) To CS# Low

tPUW

Time Delay Before Write Instruction

VWI

Write Inhibit Voltage

2.1

2.3

2.5

Table3. Power-Up Timing and Write Inhibit Threshold

8. ELECTRICAL CHARACTERISTICS

8.2. Initial Delivery State

The device is delivered with the memory array erased: all bits are set to 1(each byte contains FFH). The Status

8.3. Data Retention and Endurance

Parameter

Test Condition

Min

Unit

Minimum Pattern Data Retention Time

150°C

Years

125°C

Years

Erase/Program Endurance

-40 to 85°C

100K

Cycles

8.4. Latch Up Characteristics

Parameter

Min

Max

Input Voltage Respect To VSS On I/O Pins

-1.0V

VCC+1.0V

VCC Current

-100mA

100mA

Figure 39. Power-on Timing Sequence Diagram

GD25Q21 Datasheet(PDF) 41 Page - ELM Electronics

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