EDK1216CFBJ datasheet(4/56 Pages) ELPIDA

Part #	EDK1216CFBJ

Description	128M bits DDR Mobile RAM?

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Manufacturer	ELPIDA [Elpida Memory]

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EDK1216CFBJ

Preliminary Data Sheet E1194E20 (Ver. 2.0)

4

Electrical Specifications

• All voltages are referenced to VSS (GND).

• After power up, wait more than 200 µs and then, execute power on sequence and CBR (Auto) refresh before

proper device operation is achieved.

Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Note

Voltage on any pin relative to VSS

VT

–0.5 to +2.45

V

Supply voltage relative to VSS

VDD

–0.5 to +2.45

V

Short circuit output current

IOS

50

mA

Power dissipation

PD

1.0

W

Operating ambient temperature

TA

–25 to +85

°C

Storage temperature

Tstg

–55 to +125

°C

Caution

Exposing the device to stress above those listed in Absolute Maximum Ratings could cause

permanent damage. The device is not meant to be operated under conditions outside the limits

described in the operational section of this specification. Exposure to Absolute Maximum Rating

conditions for extended periods may affect device reliability.

Recommended DC Operating Conditions (TA =

−25°C to +85°C)

Parameter

Pins

Symbol

min.

typ.

max.

Unit

Notes

Supply voltage

VDD,

VDDQ

1.70

1.8

1.95

V

VSS,

VSSQ

0

V

DC input voltage level

CK, /CK

VIN (DC)

–0.3

—

VDDQ + 0.3

V

AC Input differential cross

point voltage

VIX

0.4

× VDDQ

0.5

× VDDQ

0.6

× VDDQ

V

5

DC input differential voltage

VID (DC)

0.4

× VDDQ

—

VDDQ + 0.6

V

4

AC input differential voltage

VID (AC)

0.6

× VDDQ

—

VDDQ + 0.6

V

4

DC input high voltage

VIHD (DC)

0.7

× VDDQ

—

VDDQ + 0.3

V

1, 2

DC input low voltage

VILD (DC)

–0.3

—

0.3

× VDDQ

V

AC input high voltage

VIHD (AC)

0.8

× VDDQ

—

VDDQ + 0.3

V

AC input low voltage

DQ, DM, DQS,

address, bank

select address,

command signals

VILD (AC)

–0.3

—

0.2

× VDDQ

V

Notes: 1. VIH (max.) = 2.45V (pulse width

≤ 5ns).

2. VIL (min.) = –0.5V (pulse width

≤ 5ns).

3. All voltage referred to VSS and VSSQ must be same potential.

4. VID (DC) and VID (AC) are the magnitude of the difference between the input level on CK and the input

level on /CK.

5. The value of VIX is expected to be 0.5

× VDDQ and must track variations in the DC level of the same.

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