M69AR048B データシートの表示（PDF） - STMicroelectronics

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M69AR048B

32 Mbit (2Mb x16) 1.8V Asynchronous PSRAM

STMicroelectronics 

Figure 24. Power-Down Mode AC Waveforms

E1

E2

tCLEX

DQ0-DQ15

tEXCH

tEHCH

tCHEL

Hi-Z

Power-Down Entry Power-Down Mode Power-Down Exit

Figure 25. Power-Up Mode AC Waveforms

E1

E2

VCC

tEHEV

VCCmin

Figure 26. Standby Mode Entry AC Waveforms, After Read

M69AR048B

AI09394

AI09395

E1

tEHGL

G

W

Read Active

Standby

Note: E2 = High.

tEHWL

Write Active

Standby

AI09396

25/29

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