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STK14C88-LF25TR 参数 Datasheet PDF下载

STK14C88-LF25TR图片预览
型号: STK14C88-LF25TR
PDF下载: 下载PDF文件 查看货源
内容描述: 32Kx8自动存储的nvSRAM [32Kx8 AutoStore nvSRAM]
分类和应用: 存储静态存储器
文件页数/大小: 19 页 / 399 K
品牌: SIMTEK [ SIMTEK CORPORATION ]
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STK14C88  
HARDWARE MODE SELECTION  
E
H
L
W
X
H
L
HSB  
A
- A (hex)  
0
MODE  
I/O  
Output High Z  
Output Data  
Input Data  
POWER  
Standby  
NOTES  
13  
H
X
X
X
X
Not Selected  
Read SRAM  
Write SRAM  
H
Active  
Active  
l
t
L
H
X
X
L
Nonvolatile STORE  
Output High Z  
m
CC  
2
Note m: HSB STORE operation occurs only if an SRAM WRITE has been done since the last nonvolatile cycle. After the STORE (if any) completes,  
the part will go into standby mode, inhibiting all operations until HSB rises.  
e
HARDWARE STORE CYCLE  
(V = 5.0V 10%)  
CC  
SYMBOLS  
NO.  
STK14C88  
PARAMETER  
UNITS NOTES  
Standard  
Alternate  
MIN  
1
MAX  
22  
23  
24  
25  
26  
t
t
t
t
t
t
t
t
STORE Cycle Duration  
10  
ms  
μs  
ns  
ns  
ns  
i, n  
i, n  
STORE  
DELAY  
RECOVER  
HLHX  
HLHZ  
HLQZ  
HHQX  
Time Allowed to Complete SRAM Cycle  
Hardware STORE High to Inhibit Off  
Hardware STORE Pulse Width  
700  
300  
n, o  
15  
Hardware STORE Low to STORE Busy  
HLBL  
Note n: E and G low and W high for output behavior.  
Note o: tRECOVER is only applicable after tSTORE is complete.  
HARDWARE STORE CYCLE  
25  
HLHX  
t
HSB (IN)  
24  
RECOVER  
t
22  
STORE  
t
26  
HLBL  
t
HSB (OUT)  
HIGH IMPEDANCE  
HIGH IMPEDANCE  
DATA VALID  
23  
DELAY  
t
DQ (DATA OUT)  
DATA VALID  
Rev 0.3  
Document Control #ML0014  
February, 2007  
6