IS43DR16640C datasheet(13/49 Pages) ISSI

13 / 49 page

Integrated Silicon Solution, Inc. — www.issi.com

Rev. 00A

6/4/2013

IS43/46DR81280C, IS43/46DR16640C

Symbol

Conditions

-25D/-25E

-3D

-37C

-5B

Units

DDR2-

800D/800E

DDR2-

667D

DDR2-

533C

DDR2-

400B

IDD0

Operating one bank active-precharge current;

tCK = tCK(IDD), tRC = tRC(IDD), tRAS = tRASmin(IDD);

CKE is HIGH, CS is HIGH between valid commands;

135

120

110

Address bus inputs are SWITCHING; Data bus inputs are

SWITCHING

IDD1

Operating one bank active-read-precharge current;

IOUT = 0mA; BL = 4, CL = CL(IDD), AL = 0;

tCK = tCK(IDD), tRC = tRC (IDD), tRAS = tRASmin(IDD), tRCD =

tRCD(IDD);

CKE is HIGH, CS is HIGH between valid commands;

165

150

135

130

Address bus inputs are SWITCHING; Data pattern is same as

IDD4W

IDD2P

Precharge power-down current; All banks idle;

tCK = tCK(IDD); CKE is LOW;

Other control and address bus inputs are STABLE;

Data bus inputs are FLOATING

IDD2Q Precharge quiet standby current; All banks idle;

tCK = tCK(IDD);

CKE is HIGH, CS is HIGH; Other control and address bus inputs

are STABLE;

Data bus inputs are FLOATING

IDD2N

Precharge standby current; All banks idle;

tCK = tCK(IDD);

CKE is HIGH, CS is HIGH; Other control and address bus inputs

are SWITCHING;

Data bus inputs are SWITCHING

IDD3P

Active power-down current; All banks open;

tCK = tCK(IDD); CKE is LOW;

Power Down

Fast Exit

Other control and address bus inputs are STABLE;

Data bus inputs are FLOATING

Power Down

Slow Exit

IDD3N Active standby current; All banks open;

tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD);

CKE is HIGH, CS is HIGH between valid commands;

Other control and address bus inputs are SWITCHING; Data bus

inputs are SWITCHING

IDD4W Operating burst write current; All banks open, Continuous burst

writes;

BL = 4, CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRAS =

tRASmax(IDD), tRP = tRP(IDD);

CKE is HIGH, CS is HIGH between valid commands;

360

290

240

210

Address bus inputs are SWITCHING; Data bus inputs are

SWITCHING

IDD Specifications & Test Conditions

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