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參數(shù)資料
| 型號(hào)： | KM68257C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 32K x 8 Bit High-Speed CMOS Static RAM(32K x8位高速CMOS 靜態(tài) RAM) |
| 中文描述： | 32K的× 8位高速CMOS靜態(tài)RAM（32K的x8位高速的CMOS靜態(tài)RAM）的 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 127K |
| 代理商： | KM68257C |
KM68257C
CMOS SRAM
PRELIMINARY
Rev 4.0
- 4 -
February 1998
TEST CONDITIONS
Parameter
Value
Input Pulse Levels
0V to 3V
Input Rise and Fall Times
3ns
Input and Output timing Reference Levels
1.5V
Output Loads
See below
AC CHARACTERISTICS
(T
A
=0
to 70
°
C, V
CC
=5.0V
±
10%, unless otherwise noted.)
Output Loads(A)
Output Loads(B)
for t
HZ
, t
LZ
, t
WHZ
, t
OW
, t
OLZ
& t
OHZ
D
OUT
5pF*
480
255
+5.0V
READ CYCLE
Parameter
Symbol
KM68257C-12
KM68257C-15
KM68257C-20
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
12
-
15
-
20
-
ns
Address Access Time
t
AA
-
12
-
15
-
20
ns
Chip Select to Output
t
CO
-
12
-
15
-
20
ns
Output Enable to Valid Output
t
OE
-
6
-
7
-
9
ns
Chip Enable to Low-Z Output
t
LZ
3
-
3
-
3
-
ns
Output Enable to Low-Z Output
t
OLZ
0
-
0
-
0
-
ns
Chip Disable to High-Z Output
t
HZ
0
6
0
7
0
10
ns
Output Disable to High-Z Output
t
OHZ
0
6
0
7
0
10
ns
Output Hold from Address Change
t
OH
3
-
3
-
3
-
ns
Chip Selection to Power Up Time
t
PU
0
-
0
-
0
-
ns
Chip Selection to Power DownTime
t
PD
-
12
-
15
-
20
ns
D
OUT
30pF*
480
255
+5V
* Including Scope and Jig Capacitance
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KM68257C-12 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range. |
| KM68257C-15 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range. |
| KM68257C-20 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range. |
| KM68257CJ-12 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range. |
| KM68257CJ-15 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range. |
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