參數(shù)資料
型號(hào): LH52258A
廠商: Sharp Corporation
英文描述: CMOS 32K x 8 Static RAM
中文描述: 32K的× 8的CMOS靜態(tài)RAM
文件頁數(shù): 5/9頁
文件大?。?/td> 77K
代理商: LH52258A
AC ELECTRICAL CHARACTERISTICS
1
(Over Operating Range)
SYMBOL
DESCRIPTION
–20
–25
UNITS
MIN
MAX
MIN
MAX
READ CYCLE
t
RC
Read Cycle Time
20
25
ns
t
AA
Address Access Time
20
25
ns
t
OH
Output Hold from Address Change
4
4
ns
t
EA
E Low to Valid Data
20
25
ns
t
ELZ
E Low to Output Active
2,3
4
4
ns
t
EHZ
E High to Output High-Z
2,3
0
10
0
12
ns
t
GA
G Low to Valid Data
10
12
ns
t
GLZ
G Low to Output Active
2,3
0
0
ns
t
GHZ
G High to Output High-Z
2,3
0
9
0
10
ns
t
PU
E Low to Power Up Time
3
0
0
ns
t
PD
E High to Power Down Time
3
25
30
ns
WRITE CYCLE
t
WC
Write Cycle Time
20
25
ns
t
EW
E Low to End of Write
15
20
ns
t
AW
Address Valid to End of Write
15
20
ns
t
AS
Address Setup
0
0
ns
t
AH
Address Hold from End of Write
0
0
ns
t
WP
W Pulse Width
12
15
ns
t
DW
Input Data Setup Time
10
12
ns
t
DH
Input Data Hold Time
0
0
ns
t
WHZ
W Low to Output High-Z
2,3
8
10
ns
t
WLZ
W High to Output Active
2,3
0
0
ns
NOTES:
1.
AC Electrical Characteristics specified at ‘AC Test Conditions’ levels.
2.
Active output to High-Z and High-Z to output active tests specified for a
±
500 mV transition from steady state levels into the test load. The test
load has 5 pF capacitances.
3.
Guaranteed by design but not tested.
CMOS 32K
×
8 Static RAM
LH52258A
5
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