QL4009-1PL84M(2003) データシートの表示（PDF） - QuickLogic Corporation

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QL4009-1PL84M
(Rev.:2003)

9,000 Usable PLD Gate QuickRAM ESP Combining Performance, Density and Embedded RAM

QuickLogic Corporation 

Power-up Sequencing

QL4009 QuickRAM Data Sheet Rev C

VCCIO

VCC

(VCCIO -VCC)MAX

VCC

400 us

Time

Figure 7: Power-up Requirements

When powering up a device, the VCC/VCCIO rails must take 400 µs or longer to reach the

maximum value (refer to Figure 7).

NOTE: Ramping VCC/VCCIO to the maximum voltage faster than 400 µs can cause the

device to behave improperly.

For users with a limited power budget, keep (VCCIO -VCC)MAX ≤ 500 mV when ramping up

the power supply.

© 2003 QuickLogic Corporation

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