EDS2508APSA-7A datasheet(5/51 Pages) ELPIDA

Part #	EDS2508APSA-7A

Description	256M bits SDRAM

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Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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EDS2508APSA, EDS2516APSA

Data Sheet E0228E30 (Ver. 3.0)

5

DC Characteristics 1 (TA = 0 to +70

°°°°C, VDD, VDDQ = 3.3V ± 0.3V, VSS, VSSQ = 0V)

Parameter

max

.

/CAS latency

Symbol

Grade

× 8

× 16

Unit

Test condition

Notes

Operating current

ICC1

-7A

130

135

mA

Burst length = 1

tRC = tRC (min.)

1, 2, 3

ICC1

-75

110

115

mA

Burst length = 1

tRC = tRC (min.)

Standby current in power

down

ICC2P

3

mA

CKE = VIL,

tCK = tCK (min.)

6

Standby current in power

down (input signal stable)

ICC2PS

2

mA

CKE = VIL, tCK =

∞

Standby current in non power

down

ICC2N

20

mA

CKE, /CS = VIH,

tCK = tCK (min.)

4

Standby current in non power

down (input signal stable)

ICC2NS

9

mA

CKE = VIH, tCK =

∞, /CS

= VIH

8

Active standby current in

power down

ICC3P

4

mA

CKE = VIL,

tCK = tCK (min.)

1, 2, 6

Active standby current in

power down (input signal

stable)

ICC3PS

3

mA

CKE = VIL, tCK =

∞

2, 7

Active standby current in non

power down

ICC3N

30

mA

CKE, /CS = VIH,

tCK = tCK (min.)

1, 2, 4

Active standby current in non

power down (input signal

stable)

ICC3NS

15

mA

CKE = VIH, tCK =

∞, /CS

= VIH

2, 8

Burst operating current

ICC4

135

145

mA

tCK = tCK (min.), BL = 4

1, 2, 5

Refresh current

ICC5

-7A

250

mA

tRC = tRC (min.)

3

ICC5

-75

220

mA

tRC = tRC (min.)

Self refresh current

ICC6

3

mA

VIH ≥ VDD – 0.2V

VIL ≤ 0.2V

Self refresh current

(L-version)

ICC6

-XXL

1

mA

Notes: 1. ICC depends on output load condition when the device is selected. ICC (max.) is specified at the output

open condition.

2. One bank operation.

3. Input signals are changed once per one clock.

4. Input signals are changed once per two clocks.

5. Input signals are changed once per four clocks.

6. After power down mode, CLK operating current.

7. After power down mode, no CLK operating current.

8. Input signals are VIH or VIL fixed.

DC Characteristics 2 (TA = 0 to +70

°°°°C, VDD, VDDQ = 3.3V ± 0.3V, VSS, VSSQ = 0V)

Parameter

Symbol

min.

max.

Unit

Test condition

Notes

Input leakage current

ILI

–1

1

µA

0 ≤ VIN ≤ VDD

Output leakage current

ILO

–1.5

1.5

µA

0 ≤ VOUT ≤ VDD, DQ = disable

Output high voltage

VOH

2.4

—

V

IOH = –4 mA

Output low voltage

VOL

—

0.4

V

IOL = 4 mA

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