參數(shù)資料
型號(hào): DS1744
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: REAL TIME CLOCK, DMA28
封裝: 0.700 INCH, PLASTIC, MODULE, DIP-28
文件頁(yè)數(shù): 2/18頁(yè)
文件大?。?/td> 225K
代理商: DS1744
DS1744/DS1744P
10 of 18
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; VCC = 5.0V
± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Write Cycle Time
tWC
70
ns
Address Setup Time
tAS
0ns
WE Pulse Width
tWEW
50
ns
CE Pulse Width
tCEW
60
ns
Data Setup Time
tDS
30
ns
Data Hold Time
tDH1
0ns
8
Data Hold Time
tDH2
0ns
9
Address Hold Time
tAH1
5ns
8
Address Hold Time
tAH2
5ns
9
WE Data Off Time
tWEZ
25
ns
Write Recovery Time
tWR
5ns
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; VCC = 3.3V
± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Write Cycle Time
tWC
120
ns
Address Setup Time
tAS
0
120
ns
WE Pulse Width
tWEW
100
ns
CE Pulse Width
tCEW
110
ns
CE and CE2 Pulse Width
tCEW
110
ns
Data Setup Time
tDS
80
ns
Data Hold Time
tDH1
0ns
8
Data Hold Time
tDH2
0ns
9
Address Hold Time
tAH1
0ns
8
Address Hold Time
tAH2
10
ns
9
WE Data Off Time
tWEZ
40
ns
Write Recovery Time
tWR
10
ns
相關(guān)PDF資料
PDF描述
DS1746-70 0 TIMER(S), REAL TIME CLOCK, DIP32
DS1746WP-120 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1746W-120 0 TIMER(S), REAL TIME CLOCK, DIP32
DS1746P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1746 REAL TIME CLOCK, DMA32
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參數(shù)描述
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