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W9725G6KB25A Datasheet(HTML) 37 Page - Winbond

Part No. W9725G6KB25A
Description  DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
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W9725G6KB25A Datasheet(HTML) 37 Page - Winbond

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W9725G6KB
Publication Release Date: Sep. 03, 2012
- 37 -
Revision A03
10. ELECTRICAL CHARACTERISTICS
10.1 Absolute Maximum Ratings
PARAMETER
SYMBOL
RATING
UNIT
NOTES
Voltage on VDD pin relative to VSS
VDD
-1.0 ~ 2.3
V
1, 2
Voltage on VDDQ pin relative to VSS
VDDQ
-0.5 ~ 2.3
V
1, 2
Voltage on VDDL pin relative to VSS
VDDL
-0.5 ~ 2.3
V
1, 2
Voltage on any pin relative to VSS
VIN, VOUT
-0.5 ~ 2.3
V
1, 2
Storage Temperature
TSTG
-55 ~ 150
°C
1, 3
Notes:
1. Stresses gr
eater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions above those indicated in the
operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect reliability.
2. When VDD and VDDQ and VDDL are less than 500mV; VREF may be equal to or less than 300mV.
3. Storage temperature is the case surface temperature on the center/top side of the DRAM.
10.2 Operating Temperature Condition
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
NOTES
Operating Temperature (for -18/-25/-3)
TCASE
0
85
°C
1, 3, 5
Operating Temperature (for 25I/25A)
TCASE
-40
95
°C
1, 3, 4, 5, 6, 7
Operating Temperature (for 25A)
TA
-40
95
°C
2
Operating Temperature (for 25K)
TCASE
-40
105
°C
1, 3, 4, 5, 6, 8
Operating Temperature (for 25K)
TA
-40
105
°C
2
Notes:
1. Operating case temperature is the case surface temperature on the center/top side of the DRAM.
2. Operating ambient temperature is the surrounding temperature of the DRAM.
3. Supporting 0°C
≤ TCASE ≤ 85°C with full JEDEC AC and DC specifications.
4. Supporting -40°C
≤ TCASE ≤ 85°C with full JEDEC AC and DC specifications.
5. Supporting 0 ~ 85°C and being able to extend to 95°C with doubling Auto Refresh commands in frequency to a 32 mS period
( tREFI = 3.9 µS) and to enter to Self Refresh mode at this high temperature range via A7
“1” on EMR (2).
6. Supporting -40°C
≤ TCASE ≤ 85°C and being able to extend to 95°C (for 25I/25A) or 105°C (for 25K) with doubling Auto
Refresh commands in frequency to a 32 mS period ( tREFI = 3.9 µS) and to enter to Self Refresh mode at this high
temperature range via A7
“1” on EMR (2).
7. During operation, the DRAM case temperature must be maintained between -40 to 95°C for 25I/25A parts under all
specification parameters.
8. During operation, the DRAM case temperature must be maintained between -40 to 105°C for 25K parts under all
specification parameters.


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