參數(shù)資料
型號: STK17CA8-W45I
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, DIP-40
文件頁數(shù): 21/22頁
文件大?。?/td> 579K
代理商: STK17CA8-W45I
STK17CA8
June 2003
8
Document Control # ML0023 rev 0.2
SOFTWARE-CONTROLLED STORE/RECALL CYCLEs
(VCC = 3.0V +20%, -10%)e
Note r:
The software sequence is clocked with E controlled READs or G controlled READs.
Note s: The six consecutive addresses must be in the order listed in the Hardware Mode Selection Table: (4E38, B1C7, 83E0, 7C1F, 703F, 8FC0) for a
STORE cycle or (4E38, B1C7, 83E0, 7C1F, 703F, 4C63) for a RECALL cycle. W must be high during all six consecutive cycles.
SOFTWARE STORE/RECALL CYCLE: E CONTROLLEDs
SOFTWARE STORE/RECALL CYCLE: G CONTROLLEDs
NO.
SYMBOLS
PARAMETER
STK17CA8-25
STK17CA8-35
STK17CA8-45
UNITS NOTES
E cont
G cont
Alternate
MIN
MAX
MIN
MAX
MIN
MAX
25
tAVAV
tRC
STORE/RECALL Initiation Cycle Time
25
35
45
ns
s
26
tAVEL
tAVGL
tAS
Address Set-up Time
0
ns
27
tELEH
tGLGH
tCW
Clock Pulse Width
20
25
30
ns
28
tELAX
tGLAX
Address Hold Time
20
ns
29
tRECALL
RECALL Duration
20
s
DATA VALID
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
tAVAV
DATA VALID
DQ (DATA)
E
ADDRESS
tSTORE / tRECALL
tAVAV
tAVEL
tELEH
tELAX
G
DATA VALID
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
tAVAV
DATA VALID
E
ADDRESS
tSTORE / tRECALL
tAVAV
tAVGL
tGLGH
tGLAX
G
DQ (DATA)
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