H5GQ2H24AFR-R0C datasheet(129/172 Pages) HYNIX

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This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any

responsability for use of circuits described. No patent licenses are implied.

Rev. 1.2 /Nov. 2011

129

H5GQ2H24AFR

Table 40 AC Operating Conditions

POD15

Parameter

Symbol

Min

Typ

Max

Unit

Note

AC Input Logic HIGH Voltage for

address and command

VIHA (AC)

VREFC + 0.20

AC Input Logic LOW Voltage for

address and command

VILA (AC)

VREFC ‐ 0.20

AC Input Logic HIGH Voltage for

DQ and DBI# pins with VREFD

VIHD (AC)

VREFD + 0.15

AC Input Logic LOW Voltage for

DQ and DBI# pins with VREFD

VILD (AC)

VREFD ‐ 0.15

AC Input Logic HIGH Voltage for

DQ and DBI# pins with VREFD2

VIHD2 (AC)

VREFD2 + 0.40

AC Input Logic LOW Voltage for

DQ and DBI# pins with VREFD2

VILD2 (AC)

VREFD2 ‐ 0.40

VIL (AC)

VIL (DC)

VREF ‐ AC Noise

VREF ‐ DC Noise

VREF + DC Noise

VREF + AC Noise

VIH (DC)

VIH (AC)

VOH

VIN (AC) ‐ Provides margin

between VOL (MAX) and

VIL (AC)

VDDQ

VOL (MAX)

System Noise Margin (Power/Ground,

Crosstalk, Signal Integrity Attenuation)

Note: VREF, VIH, VIL refer to

whichever VREFxx (VREFD,

VREFD2, or VREFC) is being used.

Output

Input

Figure 79. Voltage Waveform

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