WED3DG7266V75D1XX datasheet(4/7 Pages) WEDC

Part #	WED3DG7266V75D1XX

Description	512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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WED3DG7266V-D1

4

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

Febuary 2006

Rev. 2

PRELIMINARY

OPERATING CURRENT CHARACTERISTICS

(VCC = 3.3V, TA = 0°C ≤ +70°C)

Notes:

1. Measured with outputs open.

2. Refresh period is 64ms.

Version

Parameter

Symbol

Conditions

133/100

Units

Note

Operating Current

(One bank active)

ICC1

Burst Length = 1

tRC ≥ tRC (min)

IOL = 0mA

1,925

mA

1

Precharge Standby Current

in Power Down Mode

ICC2P

CKE ≤ VIL(max), tCC = 10ns

64

mA

ICC2PS

CKE & CLK ≤ VIL(max), tCC = ∞

64

Precharge Standby Current

in Non-Power Down Mode

Icc2N

CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns

Input signals are charged one time during 20

395

mA

Icc2NS

CKE ≥ VIH(min), CLK ≥VIL(max), tCC = ∞

Input signals are stable

215

Active Standby Current in

Power-Down Mode

ICC3P

CKE ≥ VIL(max), tCC = 10ns

100

mA

ICC3PS

CKE & CLK ≤ VIL(max), tCC = ∞

100

Active Standby Current in

Non-Power Down Mode

ICC3N

CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input

signals are changed one time during 20ns

575

mA

ICC3NS

CKE ≤ VIH(min), CLK ≤ VIL(max), tcc = ∞

Input signals are stable

420

mA

Operating Current (Burst mode)

ICC4

Io = mA

Page burst

4 Banks activated

tCCD = 2CLK

1,925

mA

1

Refresh Current

ICC5

tRC ≥ tRC(min)

3,095

mA

2

Self Refresh Current

ICC6

CKE ≤ 0.2V

180

mA

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