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參數(shù)資料
| 型號(hào)： | K4H511638E-TLA2 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 128Mb DDR SDRAM |
| 中文描述： | 128MB DDR SDRAM的 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 367K |
| 代理商： | K4H511638E-TLA2 |
Rev. 1.1 June. 2005
DDR SDRAM
DDR SDRAM 512Mb C-die (x4, x8, x16)
Conditions
Symbol
Operating current - One bank Active-Precharge;
tRC=tRCmin; tCK=10ns for DDR200, tCK=7.5ns for DDR266, 6ns for DDR333, 5ns for DDR400;
DQ,DM and DQS inputs changing once per clock cycle;
address and control inputs changing once every two clock cycles.
IDD0
Operating current - One bank operation ;
One bank open, BL=4, Reads
- Refer to the following page for detailed test condition
IDD1
Precharge power-down standby current;
All banks idle; power - down mode;
CKE = <VIL(max); tCK=10ns for DDR200,tCK=7.5ns for DDR266, 6ns for DDR333, 5ns for DDR400;
Vin = Vref for DQ,DQS and DM.
IDD2P
Precharge Floating standby current;
CS# > =VIH(min);All banks idle; CKE > = VIH(min); tCK=10ns for
DDR200,tCK=7.5ns for DDR266, 6ns for DDR333, 5ns for DDR400; Address and other control inputs changing
once per clock cycle; Vin = Vref for DQ,DQS and DM
IDD2F
Precharge Quiet standby current;
CS# > = VIH(min); All banks idle;
CKE > = VIH(min); tCK=10ns for DDR200, tCK=7.5ns for DDR266, 6ns for DDR333, 5ns for DDR400; Address and
other control inputs stable at >= VIH(min) or =<VIL(max); Vin = Vref for DQ ,DQS and DM
IDD2Q
Active power - down standby current ;
one bank active; power-down mode;
CKE=< VIL (max); tCK=10ns for DDR200,tCK=7.5ns for DDR266, 6ns for DDR333, 5ns for DDR400;
Vin = Vref for DQ,DQS and DM
IDD3P
Active standby current;
CS# >= VIH(min); CKE>=VIH(min);
one bank active; active - precharge; tRC=tRASmax; tCK=10ns for DDR200,tCK=7.5ns for DDR266, 6ns for
DDR333, 5ns for DDR400; DQ, DQS and DM inputs changing twice per clock cycle; address and other control
inputs changing once per clock cycle
IDD3N
Operating current - burst read;
Burst length = 2; reads; continguous burst; One bank active; address and control
inputs changing once per clock cycle; CL=2 at tCK=10ns for DDR200, CL=2 at 7.5ns for DDR266(A2), CL=2.5 at
tCK=7.5ns for DDR266(B0), tCK=6ns for DDR333, CL=3 at tCK=5ns for DDR400;
50% of data changing on every
transfer; lout = 0 m A
IDD4R
Operating current - burst write;
Burst length = 2; writes; continuous burst;
One bank active address and control inputs changing once per clock cycle; CL=2 at tCK=10ns for DDR200, CL=2
at tCK=7.5ns for DDR266(A2), CL=2.5 at tCK=7.5ns for DDR266(B0), 6ns for DDR333, 5ns for DDR400; DQ, DM
and DQS inputs changing twice per clock cycle, 50% of input data changing at every burst
IDD4W
Auto refresh current;
tRC = tRFC(min) which is 12*tCK for DDR200 at tCK=10ns; 16*tCK for DDR266 at
tCK=7.5ns; 20*tCK for DDR333 at tCK=6ns, 24*tCK for DDR400 at tCK=5ns;
distributed refresh
IDD5
Self refresh current;
CKE =< 0.2V; External clock on; tCK=10ns for DDR200, tCK=7.5ns for DDR266, 6ns for
DDR333, 5ns for DDR400.
IDD6
Operating current - Four bank operation ;
Four bank interleaving with BL=4
-Refer to the following page for detailed test condition
IDD7A
( T
A
= 25
°
C, f=100MHz)
Note :
1.These values are guaranteed by design and are tested on a sample basis only.
2. Although DM is an input -only pin, the input capacitance of this pin must model the input capacitance of the DQ and DQS pins.
This is required to match signal propagation times of DQ, DQS, and DM in the system.
3. Unused pins are tied to ground.
4. This parameteer is sampled. For DDR266 and DDR333 VDDQ = +2.5V +0.2V, VDD = +3.3V +0.3V or +0.25V+0.2V. For
DDR400, VDDQ = +2.6V +0.1V, VDD = +2.6V +0.1V. For all devices, f=100MHz, tA=25
°
C, Vout(dc) = VDDQ/2, Vout(peak to
peak) = 0.2V. DM inputs are grouped with I/O pins - reflecting the fact that they are matched in loading (to facilitate trace
matching at the board level).
Parameter
Symbol
Min
Max
DeltaCap(max)
Unit
Note
Input capacitance
(A0 ~ A12, BA0 ~ BA1, CKE, CS, RAS,CAS, WE)
CIN1
2
3
0.5
pF
4
Input capacitance( CK, CK )
CIN2
2
3
0.25
pF
4
Data & DQS input/output capacitance
COUT
4
5
0.5
pF
1,2,3,4
Input capacitance(DM for x4/8, UDM/LDM for x16)
CIN3
4
5
pF
1,2,3,4
12.0 DDR SDRAM Spec Items & Test Conditions
13.0 Input/Output Capacitance
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