GS8182T19 datasheet(9/27 Pages) GSI

No de pièce	GS8182T19

Description	18Mb SigmaDDR-IITM Burst of 2 SRAM

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Fabricant	GSI [GSI Technology]

Site Internet	http://www.gsitechnology.com

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Absolute Maximum Ratings

(All voltages reference to VSS)

Symbol

Description

Value

Unit

VDD

Voltage on VDD Pins

–0.5 to 2.9

V

VDDQ

Voltage in VDDQ Pins

–0.5 to VDD

V

VREF

Voltage in VREF Pins

–0.5 to VDDQ

V

VI/O

Voltage on I/O Pins

–0.5 to VDDQ +0.5 (≤ 2.9 V max.)

V

VIN

Voltage on Other Input Pins

–0.5 to VDDQ +0.5 (≤ 2.9 V max.)

V

IIN

Input Current on Any Pin

+/–100

mA dc

IOUT

Output Current on Any I/O Pin

+/–100

mA dc

TJ

Maximum Junction Temperature

125

oC

TSTG

Storage Temperature

–55 to 125

oC

Note:

Permanent damage to the device may occur if the Absolute Maximum Ratings are exceeded. Operation should be restricted to Recommended

Operating Conditions. Exposure to conditions exceeding the Recommended Operating Conditions, for an extended period of time, may affect

reliability of this component.

GS8182T19/37BD-435/400/375/333/300

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

Rev: 1.03a 11/2011

9/27

Recommended Operating Conditions

Power Supplies

Parameter

Symbol

Min.

Typ.

Max.

Unit

Supply Voltage

VDD

1.7

1.8

1.9

V

I/O Supply Voltage

VDDQ

1.4

—

1.9

V

Reference Voltage

VREF

0.68

0.95

V

Notes:

1. Unless otherwise noted, all performance specifications quoted are evaluated for worst case at both 1.4 V

≤ VDDQ ≤ 1.6 V (i.e., 1.5 V I/O)

and 1.7 V

≤ VDDQ ≤ 1.9 V (i.e., 1.8 V I/O) and quoted at whichever condition is worst case.

2. The power supplies need to be powered up simultaneously or in the following sequence: VDD, VDDQ, VREF, followed by signal inputs. The

power down sequence must be the reverse. VDDQ must not exceed VDD.

Operating Temperature

Parameter

Symbol

Min.

Typ.

Max.

Unit

Ambient Temperature

(Commercial Range Versions)

TA

0

25

70

°C

Ambient Temperature

(Industrial Range Versions)

TA

–40

25

85

°C

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