HY5DU12422C_06 datasheet(23/31 Pages) HYNIX

Part #	HY5DU12422C

Description	512Mb DDR SDRAM

Download	31 Pages

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Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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23 / 31 page

Rev. 1.5 / July 2006

23

1

HY5DU12422C(L)FP

HY5DU12822C(L)FP

HY5DU121622C(L)FP

AC OPERATING CONDITIONS (TA=0 to 70 oC, Voltage referenced to VSS = 0V)

Note:

1. VID is the magnitude of the difference between the input level on CK and the input on /CK.

2. The value of VIX is expected to equal 0.5*V DDQ of the transmitting device and must track variations in the DC level of the same.

*For more information about AC Overshoot/Undershoot Specifications, refer to “Device Operation” section in hynix website.

AC OPERATING TEST CONDITIONS (TA=0 to 70oC, Voltage referenced to VSS = 0V)

Parameter

Symbol

Min

Max

Unit

Input High (Logic 1) Voltage, DQ, DQS and DM signals

VIH(AC)

VREF + 0.31

-

V

Input Low (Logic 0) Voltage, DQ, DQS and DM signals

VIL(AC)

-VREF - 0.31

V

Input Differential Voltage, CK and /CK inputs1

VID(AC)

0.7

VDDQ + 0.6

V

Input Crossing Point Voltage, CK and /CK inputs2

VIX(AC)

0.5*VDDQ-0.2

0.5*VDDQ+0.2

V

Parameter

Value

Unit

Reference Voltage

VDDQ x 0.5

V

Termination Voltage

VDDQ x 0.5

V

AC Input High Level Voltage (VIH, min)

VREF + 0.31

V

AC Input Low Level Voltage (VIL, max)

VREF - 0.31

V

Input Timing Measurement Reference Level Voltage

VREF

V

Output Timing Measurement Reference Level Voltage

VTT

V

Input Signal maximum peak swing

1.5

V

Input minimum Signal Slew Rate

1

V/ns

Termination Resistor (RT)50

Ω

Series Resistor (RS)

25

W

Output Load Capacitance for Access Time Measurement (CL)30

pF

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