W3DG6463V7.5D2-S datasheet(4/10 Pages) WEDC

Part #	W3DG6463V7.5D2-S

Description	512MB - 2x32Mx64 SDRAM UNBUFFERED

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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4 / 10 page

July 2005

Rev. 2

W3DG6463V-D2

4

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

White Electronic Designs

PRELIMINARY

White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice.

OPERATING CURRENT CHARACTERISTICS

VCC = 3.3V, 0°C ≤ TA ≤ 70°C

Parameters

Symbol

Conditions

Versions

Units

Note

133

100

Operating Current

(One bank active)

ICC1

Burst Length = 1

tRC ≥ tRC(min)

IOL = 0mA

1200

1040

mA

1

Precharge Standby Current

in Power Down Mode

ICC2P

CKE ≤ VIL(max), tCC = 10ns

35

mA

ICC2PS

CKE & CK ≤ VIL(max), tCC = ∞

35

mA

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

320

mA

ICC2NS

CKE ≥ VIH(min), CK ≤ VIL(max), tCC= ∞

Input signals are stable

160

mA

Active standby current in power-down

mode

ICC3P

CKE ≥ VIL(max), tCC = 10ns

100

mA

ICC3PS

CKE & CK ≤ VIL(max), tCC = ∞

100

Active standby in current non power-

down mode

ICC3N

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

Input signals are charged one time during 20ns

480

mA

ICC3NS

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

input signals are stable

400

mA

Operating current (Burst mode)

ICC4

Io = mA

Page burst

4 Banks activated

tCCD = 2CK

1280

1120

mA

1

Refresh current

ICC5

tRC ≥ tRC(min)

2000

1760

mA

2

Self refresh current

ICC6

CKE ≤ 0.2V

50

mA

Notes: 1. Measured with outputs open.

2. Refresh period is 64ms.

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