參數(shù)資料
型號(hào): LH52256CH
廠商: Sharp Corporation
英文描述: CMOS 256K (32K x 8) Static RAM
中文描述: 的CMOS 256K(32K的× 8)靜態(tài)RAM
文件頁(yè)數(shù): 3/11頁(yè)
文件大小: 97K
代理商: LH52256CH
TRUTH TABLE
CE
WE
OE
MODE
I/O
1
- I/O
8
SUPPLY CURRENT
NOTE
H
X
X
Standby
High impedance
Standby (I
SB
)
1
L
H
L
Read
Data output
Active (I
CC
)
1
L
H
H
Output disable
High impedance
Active (I
CC
)
1
L
L
X
Write
Data input
Active (I
CC
)
1
NOTE:
1.
X = Don’t care, L = Low, H = High
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
NOTE
Supply voltage
V
CC
–0.5 to +7.0
V
1
Input voltage
V
IN
–0.5 to V
CC
+ 0.5
V
1, 2
Operating temperature
T
OPR
0 to +70
°
C
Storage temperature
T
STG
–65 to +150
°
C
NOTES:
1.
The maximum applicable voltage on any pin with respect to GND.
2.
Undershoot of -3.0 V is allowed width of pulse below 50 ns.
RECOMMENDED DC OPERATING CONDITIONS (T
A
= 0
°
C to +70
°
C)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
NOTE
Supply voltage
V
CC
4.5
5.0
5.5
V
Input voltage
V
IH
2.2
V
CC
+ 0.5
V
V
IL
–0.5
0.8
V
1
NOTE:
1.
Undershoot of -3.0 V is allowed width of pulse below 50 ns.
CMOS 256K (32K
×
8) Static RAM
LH52256C/CH
3
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