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參數(shù)資料
| 型號： | K7B803625M |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 256Kx36 & 512Kx18 Synchronous SRAM |
| 中文描述： | 256Kx36 |
| 文件頁數(shù)： | 9/21頁 |
| 文件大?。?/td> | 582K |
| 代理商： | K7B803625M |
K7B801825M
256Kx36 & 512Kx18 Synchronous SRAM
- 9 -
Rev 5.0
November 1999
K7B803625M
ABSOLUTE MAXIMUM RATINGS*
*Notes :
Stresses greater 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 operating sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
PARAMETER
SYMBOL
RATING
UNIT
Voltage on V
DD
Supply Relative to V
SS
V
DD
-0.3 to 4.6
V
Voltage on V
DDQ
Supply Relative to V
SS
V
DDQ
V
DD
V
Voltage on Input Pin Relative to V
SS
V
IN
-0.3 to 4.6
V
Voltage on I/O Pin Relative to V
SS
V
IO
-0.3 to V
DDQ
+0.5
V
Power Dissipation
P
D
1.4
W
Storage Temperature
T
STG
-65 to 150
°
C
°
C
°
C
Operating Temperature
T
OPR
0 to 70
Storage Temperature Range Under Bias
T
BIAS
-10 to 85
CAPACITANCE*
(T
A
=25
°
C, f=1MHz)
*Note :
Sampled not 100% tested.
PARAMETER
SYMBOL
TEST CONDITION
MIN
MAX
UNIT
Input Capacitance
C
IN
V
IN
=0V
-
6
pF
Output Capacitance
C
OUT
V
OUT
=0V
-
8
pF
ASYNCHRONOUS TRUTH TABLE
Operation
ZZ
OE
I/O STATUS
Sleep Mode
H
X
High-Z
Read
L
L
DQ
L
H
High-Z
Write
L
X
Din, High-Z
Deselected
L
X
High-Z
Notes
1. X means "Don
′
t Care".
2. ZZ pin is pulled down internally
3. For write cycles that following read cycles, the output buffers must be
disabled with OE, otherwise data bus contention will occur.
4. Sleep Mode means power down state of which stand-by current does
not depend on cycle time.
5. Deselected means power down state of which stand-by current
depends on cycle time.
OPERATING CONDITIONS at 3.3V I/O
(0
°
C
≤
T
A
≤
70
°
C)
PARAMETER
SYMBOL
MIN
Typ.
MAX
UNIT
Supply Voltage
V
DD
3.135
3.3
3.465
V
V
DDQ
3.135
3.3
3.465
V
Ground
V
SS
0
0
0
V
OPERATING CONDITIONS at 2.5V I/O
(0
°
C
≤
T
A
≤
70
°
C)
PARAMETER
SYMBOL
MIN
Typ.
MAX
UNIT
Supply Voltage
V
DD
3.135
3.3
3.465
V
V
DDQ
2.375
2.5
2.9
V
Ground
V
SS
0
0
0
V
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