ASFC datasheet(32/42 Pages) ALSC

Teilenummer	ASFC

Bauteilbeschribung	Industrial embedded MMC 5.1 32 GBytes up to 128 GBytes

PDF	42 Pages

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Hersteller	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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8.7 Bus Timing Specification in HS400 mode

HS400 Device Input Timing

The CMD input timing for HS400 mode is the same as CMD input timing for HS200 mode.

Figure 22 and Table 30show Device input timing.

Figure 22: HS400 Device Data input timing

Table 30: HS400 Device input timing

Parameter

Symbol

Min.

Max.

Unit

Remark

Input CLK

Cycle time data transfer

mode

tPERIOD

200MHz(Max), between rising edges with

respect to VT.

Slew rate

1.125

V/ns

With respect to VIH/VIL.

Duty cycle

distortion

tCKDCD

0.0

0.3

Allowable deviation from an ideal 50% duty

cycle.

With respect to VT.

Includes jitter, phase noise

Minimum pulse width

tCKMPW

2.2

With respect to VT.

Input DAT (referenced to CLK)

Input set-up time

tISUddr

0.4

CDevice

≤ 6pF With respect to VIH/VIL.

Input hold time

tIHddr

0.4

CDevice

≤ 6pF With respect to VIH/VIL.

Slew rate

1.125

V/ns

With respect to VIH/VIL.

Confidential

-32

／42-

Rev.1.0 July 2023

32GB/64GB/128GB eMMC

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