GS82583ED18GK-550 Datasheet, PDF(12/26 Page) GSI Technology – 8Mb x 36 and 16Mb x 18 organizations available

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GS82583ED18GK-550 Datasheet, PDF (12/26 Pages) GSI Technology – 8Mb x 36 and 16Mb x 18 organizations available

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GS82583ED18/36GK-675/625/550/500

Input Electrical Characteristics - 1.5V I/O (MVQ = 1)

Parameter

Symbol

Min

Typ

DC Input Reference Voltage

VREFdc

0.48 * VDDQ

0.50 * VDDQ

DC Input High Voltage (HS)

VIH1dc

VREF + 0.1

0.80 * VDDQ

DC Input Low Voltage (HS)

VIL1dc

-0.15

0.20 * VDDQ

DC Input High Voltage (LS)

VIH2dc

0.75 * VDDQ

VDDQ

DC Input Low Voltage (LS)

VIL2dc

-0.15

AC Input Reference Voltage

VREFac

0.47 * VDDQ

0.50 * VDDQ

AC Input High Voltage (HS)

VIH1ac

VREF + 0.2

0.80 * VDDQ

AC Input Low Voltage (HS)

VIL1ac

-0.25

0.20 * VDDQ

AC Input High Voltage (LS)

VIH2ac

VDDQ - 0.2

VDDQ

AC Input Low Voltage (LS)

VIL2ac

-0.25

Notes:

1. âTypâ parameter applies when Controller ROUTH = 40ï and SRAM RINH = RINL = 120ï.

2. âTypâ parameter applies when Controller ROUTL = 40ï and SRAM RINH = RINL = 120ï.

3. VREFac is equal to VREFdc plus noise.

4. VIH max and VIL min apply for pulse widths less than one-quarter of the cycle time.

5. Input rise and fall times must be a minimum of 1V/ns, and within 10% of each other.

6. Parameters apply to High Speed Inputs: CK, CK, KD, KD, SA, D, R, W.

7. Parameters apply to Low Speed Inputs: RST, DLL, MZT, PZT, MVQ.

Output Electrical Characteristics

Parameter

Symbol

Min

Typ

DC Output High Voltage

VOHdc

0.80 * VDDQ

DC Output Low Voltage

VOLdc

-0.15

0.20 * VDDQ

AC Output High Voltage

VOHac

0.80 * VDDQ

AC Output Low Voltage

VOLac

-0.25

0.20 * VDDQ

Note:

1. âTypâ parameter applies when SRAM ROUTH = 40ï and Controller RINH = RINL = 120ï.

2. âTypâ parameter applies when SRAM ROUTL = 40ï and Controller RINH = RINL = 120ï.

3. Parameters apply to: CQ, CQ, Q, QVLD.

Max

0.52 * VDDQ

VDDQ + 0.15

VREF - 0.1

VDDQ + 0.15

0.25 * VDDQ

0.53 * VDDQ

VDDQ + 0.25

VREF - 0.2

VDDQ + 0.25

0.2

Units

Notes

1, 6

2, 6

1, 4~6

2, 4~6

4, 7

Max

VDDQ + 0.15

VDDQ + 0.25

Units Notes

1, 3

2, 3

1, 3

2, 3

Rev: 1.06 8/2017

12/26

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

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