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參數(shù)資料
| 型號(hào)： | STK17TA8-W25 |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | REAL TIME CLOCK, PDIP40 |
| 封裝： | 0.600 INCH, 0.100 INCH PITCH, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 285K |
| 代理商： | STK17TA8-W25 |
STK17TA8
April 2005
Document Control #ML0025 rev 1.1
10
SOFTWARE-CONTROLLED STORE/RECALL CYCLE
n,o
SYMBOLS
STK17TA8-25
STK17TA8-35
STK17TA8-45
NO.
E
cont
G
cont
Alt.
PARAMETER
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
NOTES
26
tAVAV
tRC
STORE/RECALL
Initiation Cycle Time
25
35
45
ns
o
27
tAVEL
tAVGL
tAS
Address Set-up Time
0
ns
28
tELEH
tGLGH
tCW
Clock Pulse Width
20
25
30
ns
29
tELAX
tGLAX
Address Hold Time
20
ns
30
tRECALL
RECALL
Duration
40
s
Notes
n: The software sequence is clocked with E
controlled READs or G controlled READs.
o: The six consecutive addresses must be read in the order listed in the Mode Selection Table.
W
must be high during all six consecutive cycles.
SOFTWARE STORE/RECALL CYCLE:
E Controlledo
SOFTWARE STORE/RECALL CYCLE:
G Controlledo
DQ (DATA)
G
E
26
tAVAV
DATA VALID
ADDRESS
ADDRESS #1
HIGH IMPEDENCE
27
tAVEL
29
tELAX
28
tELEH
30
tRECALL
26
tAVAV
ADDRESS #6
23
tSTORE
DATA VALID
/
ADDRESS
E
G
DQ (DATA)
26
tAVAV
DATA VALID
ADDRESS #1
HIGH IMPEDENCE
29
tGLAX
30
tRECALL
26
tAVAV
ADDRESS #6
23
tSTORE
27
tAVGL
28
tGLGH
DATA VALID
/
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