W3DG72128V75D1 datasheet(4/6 Pages) WEDC

Part #	W3DG72128V75D1

Description	1GB - 128Mx72 SDRAM, UNBUFFERED w/PLL

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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W3DG72128V-D1

4

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

White Electronic Designs

June 2004

Rev. 0

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

PRELIMINARY

OPERATING CURRENT CHARACTERISTICS

(VCC = 3.3V, TA = 0°C to +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

1,890

1,710

mA

1

Precharge Standby Current

in Power Down Mode

ICC2P

CKE ≤ VIL(max), tCC = 10ns

145

mA

ICC2PS

CKE & CLK ≤ VIL(max), tCC = ∞

135

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

360

mA

ICC2NS

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

Input signals are stable

180

Active Standby Current in

Power-Down Mode

ICC3P

CKE ≥ VIL(max), tCC = 10ns

180

mA

ICC3PS

CKE & CLK ≤ VIL(max), tCC = ∞

130

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

540

mA

ICC3NS

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

Input signals are stable

405

mA

Operating Current (Burst mode)

ICC4

Io = mA

Page burst

4 Banks activated

tCCD = 2CLK

1,890

1,620

mA

1

Refresh Current

ICC5

tRC ≥ tRC(min)

3,060

2,880

mA

2

Self Refresh Current

ICC6

CKE ≤ 0.2V

130

mA

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