LC823450 datasheet(84/112 Pages) ONSEMI

84 / 112 page

LC823450

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eMMC Interface Timing

• [condition]

VDD1 = 0.93 V to 1.27 V, VDDSD0, VDDSD1,

VDDSD2 = 1.7 V to 1.95 V or 2.7 V to 3.6 V

External load 10 to 40pF

Normal(Default) Mode

Figure 31. Normal (Default) Mode

Clock

(from LSI)

In put

(to LSI)

Out put

(from LSI)

tODLY(max)

tODLY(min)

t PP

t WL

t WH

t THL

t TLH

t ISU

t IH

• [Applied pin]

♦ Clock

: SDCLK0, SDCLK1, SDCLK2

♦ Output : SDCMD0, SDCMD1, SDCMD2,

SDAT0[3:0], SDAT1[3:0], SDAT2[3:0] output

♦ Input

: SDCMD0, SDCMD1, SDCMD2,

SDAT0[3:0], SDAT1[3:0], SDAT2[3:0] input

Table 48.

I/O Voltage

(VDDSD0, VDDSD1, VDDSD2)

2.7 V to 3.6 V

1.7 V to 1.95 V

Unit

External Load

10 pF to 40 pF

10 pF to 30 pF

10 pF to 23 pF

I/O Drivability

8 mA

10 mA

8 mA

6 mA

Item

Symbol

Min

Max

Min

Max

Min

Max

Min

Max

Clock Frequency

fPP

MHz

Clock Low Time

tWL

−

Clock High Time

tWH

−

Clock Rise Time

tTLH

−

Clock Fall Time

tTHL

−

Input Set−up Time

(from SD to LSI)

tISU

6.9

−

8.3

−

8.7

−

10.3

−

Input Hold−up Time

(from SD to LSI)

tIH

0.7

−

Output Delay Time

(from LSI to SD)

tODLY

3.1

20.1

3.1

20.1

3.1

20.9

3.1

23.2

LC823450 Datasheet(PDF) 84 Page - ON Semiconductor

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