w9425g6dh Winbond Electronics Corp America, w9425g6dh Datasheet - Page 25

• Manufacturer Part Number: w9425g6dh
• Description: 4m X 4 Banks X 16 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

9.5
I
I
I
I
I
I
I
I
SYM.
DD4W
I
I
DD2N
DD2Q
DD3N
DD4R
I
I
I
DD2P
DD2F
DD3P
DD0
DD1
DD5
DD6
DD7
DC Characteristics
Operating current: One Bank Active-Precharge; t
min; t
twice per clock cycle; Address and control inputs
changing once per clock cycle
Operating current: One Bank Active-Read-Precharge;
Burst = 2; t
mA; Address and control inputs changing once per clock
cycle.
Precharge Power Down standby current: All Banks Idle;
Power down mode; CKE < V
V
Idle floating standby current: CS > V
Idle; CKE > V
changing once per clock cycle; Vin = Vref for DQ, DQS
and DM
Idle standby current: CS > V
> V
changing once per clock cycle; Vin > V
max for DQ, DQS and DM
Idle quiet standby current: CS > V
Idle; CKE > V
control inputs stable; Vin > V
Active Power Down standby current: One Bank Active;
Power down mode; CKE < V
Active standby current: CS > V
One Bank Active-Precharge; t
min; DQ, DM and DQS inputs changing twice per clock
cycle; Address and other control inputs changing once
per clock cycle
Operating current: Burst = 2; Reads; Continuous burst;
One Bank Active; Address and control inputs changing
once per clock cycle; CL=3; t
Operating current: Burst = 2; Write; Continuous burst;
One Bank Active; Address and control inputs changing
once per clock cycle; CL = 3; t
DQS inputs changing twice per clock cycle
Auto Refresh current: t
Self Refresh current: CKE < 0.2V
Random Read current: 4 Banks Active Read with
activate every 20nS, Auto-precharge Read every 20 nS;
Burst = 4; t
changing twice per clock cycle; Address changing once
per clock cycle
REF
IH
CK
for DQ, DQS and DM
min; t
= t
RC
RCD
CK
CK
IH
IH
min; DQ, DM and DQS inputs changing
= t
= t
= 3; I
min; Address and other control inputs
min; t
RC
CK
min; CL = 3; t
min; Address and other control inputs
OUT
PARAMETER
CK
RC
= 0mA; DQ, DM and DQS inputs
= t
= t
CK
RFC
IL
REF
IL
CK
RC
min; Address and other
CK
IH
max; t
max; t
= t
min
min; All Banks Idle; CKE
for DQ, DQS and DM
IH
= t
CK
= t
CK
min; CKE > V
RAS
CK
IH
= t
CK
CK
min; I
min; All Banks
IH
IH
min; DQ, DM and
CK
max; t
= t
= t
min; All Banks
min or Vin < V
min; I
CK
CK
OUT
min; Vin =
min
CK
= 0mA
OUT
RC
= t
IH
min;
= 0
CK
- 25 -
= t
RC
IL
110
150
190
190
190
300
20
45
45
40
20
70
-4
5
110
150
180
180
190
300
20
45
45
40
20
70
-5
3
Publication Release Date:Feb. 12, 2008
MAX.
-6/-6F/-6I
110
150
170
170
190
300
20
45
45
40
20
70
3
W9425G6DH
-75/75I
110
150
160
160
190
300
20
40
40
35
20
65
3
UNIT
mA
Revision A8
NOTES
7, 9
7, 9
7
7
7
7
7
7
7