W9425G6EH_0812 WINBOND [Winbond], W9425G6EH_0812 Datasheet - Page 28
W9425G6EH_0812
Manufacturer Part Number
W9425G6EH_0812
Description
Manufacturer
WINBOND [Winbond]
Datasheet
1.W9425G6EH_0812.pdf
(54 pages)
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AC Characteristics and Operating Condition, continued
9.7
Input High Voltage (AC)
Input Low Voltage (AC)
Input Reference Voltage
Termination Voltage
Differential Clock Input Reference Voltage
Input Difference Voltage. CLK and CLK Inputs (AC)
Output Timing Measurement Reference Voltage
SYM.
t
t
t
t
t
t
WPRE
WPST
t
t
t
DQSS
XSNR
XSRD
t
T(SS)
WTR
REFi
MRD
t
IPW
t
t
t
t
t
HZ
LZ
IS
IH
IS
IH
AC Test Conditions
DQS Write Preamble Time
DQS Write Postamble Time
Write Command to First DQS Latching
Transition
Input Setup Time (fast slew rate)
Input Hold Time (fast slew rate)
Input Setup Time (slow slew rate)
Input Hold Time (slow slew rate)
Control & Address Input Pulse Width (for each
input)
Data-out
CLK, CLK
Data-out
CLK, CLK
SSTL Input Transition
Internal Write to Read Command Delay
Exit Self Refresh to non-Read Command
Exit Self Refresh to Read Command
Refresh Interval Time (8k/ 64mS)
Mode Register Set Cycle Time
High-impedance
Low-impedance
PARAMETER
PARAMETER
Time
Time
from
from
MIN.
0.25
0.85
-0.7
-0.7
200
0.4
0.6
0.6
0.7
0.7
2.2
0.5
72
8
- 28 -
2
-4
MAX.
1.15
0.6
0.7
0.7
1.5
7.8
SYMBOL
MIN.
V
0.25
0.72
-0.7
-0.7
200
0.4
0.6
0.6
0.7
0.7
2.2
0.5
75
10
V
V
2
ID (AC)
V
V
V
V
OTR
REF
-5/-5I
TT
IH
IL
R
Publication Release Date:Dec. 03, 2008
MAX.
1.25
0.6
0.7
0.7
1.5
7.8
MIN.
0.25
0.75
0.75
0.75
-0.7
-0.7
200
V
0.4
0.8
0.8
2.2
0.5
V
75
12
0.5 x V
0.5 x V
0.5 x V
1
REF
REF
-6/-6I
V
VALUE
W9425G6EH
x
1.5
(AC)
MAX.
+ 0.31
- 0.31
1.25
0.6
0.7
0.7
1.5
7.8
DDQ
DDQ
DDQ
UNIT
t
t
nS
t
nS
µS
nS
CK
CK
CK
Revision A08
UNIT
19, 21-23
19, 21-23
NOTES
V
V
V
V
V
V
V
20-23
20-23
11
17
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