參數(shù)資料
型號(hào)： K4T1G084QA-ZCD5
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 1Gb A-die DDR2 SDRAM Specification
中文描述： 1GB的芯片DDR2內(nèi)存規(guī)格
文件頁(yè)數(shù)： 15/28頁(yè)
文件大?。?/td> 612K
代理商： K4T1G084QA-ZCD5
Page 15 of 28
Rev. 1.1 Aug. 2005
DDR2 SDRAM
1G A-die DDR2 SDRAM
IDD Specification Parameters and Test Conditions
(IDD values are for full operating range of Voltage and Temperature, Notes 1 - 5)
Symbol
Proposed Conditions
Units
Notes
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;
Address bus inputs are SWITCHING; Data bus inputs are SWITCHING
mA
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; Address businputs are SWITCHING; Data pattern
is same as IDD4W
mA
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
mA
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
mA
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
mA
IDD3P
Active power-down current
;
All banks open; tCK = tCK(IDD); CKE is LOW; Other control and address bus
inputs are STABLE; Data bus inputs are FLOATING
Fast PDN Exit MRS(12) = 0mA
mA
Slow PDN Exit MRS(12) = 1mA
mA
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
mA
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; Address bus inputs are SWITCHING; Data bus
inputs are SWITCHING
mA
IDD4R
Operating burst read current
;
All banks open, Continuous burst reads, IOUT = 0mA; BL = 4, CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRAS = tRAS-
max(IDD), tRP = tRP(IDD); CKE is HIGH, CS\ is HIGH between valid commands; Address bus inputs are SWITCH-
ING; Data pattern is same as IDD4W
mA
IDD5B
Burst auto refresh current
;
tCK = tCK(IDD); Refresh command at every tRFC(IDD) interval; CKE is HIGH, CS\ is HIGH between valid com-
mands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING
mA
IDD6
Self refresh current
;
CK and CK\ at 0V; CKE
≤
0.2V; Other control and address bus inputs are
FLOATING; Data bus inputs are FLOATING
Normal
mA
Low Power
mA
IDD7
Operating bank interleave read current
;
All bank interleaving reads, IOUT = 0mA; BL = 4, CL = CL(IDD), AL = tRCD(IDD)-1*tCK(IDD); tCK = tCK(IDD), tRC
= tRC(IDD), tRRD = tRRD(IDD), tFAW = tFAW(IDD), tRCD = 1*tCK(IDD); CKE is HIGH, CS\ is HIGH between valid
commands; Address bus inputs are STABLE during DESELECTs; Data pattern is same as IDD4R; Refer to the fol-
lowing page for detailed timing conditions
mA
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