參數(shù)資料
型號: STK1743-D35I
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, DIP28
封裝: 0.600 INCH, MODULE, DIP-28
文件頁數(shù): 9/12頁
文件大?。?/td> 314K
代理商: STK1743-D35I
STK1743
January 2003
6
Document Control # ML0011 rev 0.0
SOFTWARE STORE/RECALL MODE SELECTION
Note k: The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
SOFTWARE STORE/RECALL CYCLEl, m
(VCC = 5.0V ± 10%)
Note l:
The software sequence is clocked with E controlled reads.
Note m: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA, 1FFF, 10F0, 0F0E) for a RECALL cycle. W must be high during all six consecutive
cycles.
SOFTWARE STORE/RECALL CYCLE: E Controlled
E
W
A12 - A0 (hex)
MODE
I/O
NOTES
LH
0000
1555
0AAA
1FFF
10F0
0F0F
Read SRAM
Nonvolatile STORE
Output Data
Output High Z
LH
0000
1555
0AAA
1FFF
10F0
0F0E
Read SRAM
Nonvolatile RECALL
Output Data
Output High Z
NO.
SYMBOLS
PARAMETER
STK1743-25
STK1743-35
STK1743-45
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
26
tAVAV
STORE/RECALL Initiation Cycle Time
25
35
45
ns
27
tAVEL
Address Set-up Time
0
ns
28
tELEH
Clock Pulse Width
20
25
30
ns
29
tELAX
Address Hold Time
20
ns
30
tRECALL
RECALL Duration
20
s
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
tAVAV
DATA VALID
tSTORE / tRECALL
tAVAV
tAVEL
tELEH
tELAX
E
ADDRESS
DQ (DATA OUT)
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