參數(shù)資料
型號(hào): DS1243Y-150
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP28
封裝: 0.720 INCH, ENCAPSULATED, DIP-28
文件頁(yè)數(shù): 12/13頁(yè)
文件大?。?/td> 245K
代理商: DS1243Y-150
DS1243Y
8 of 13
MEMORY AC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V 10%, TA = 0C to +70C.)
DS1243Y-120
DS1243Y-150
DS1243Y
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
150
200
ns
Access Time
tACC
120
150
200
ns
OE
to Output Valid
tOE
60
70
100
ns
CE
to Output Valid
tCO
120
150
200
ns
OE
or CE to Output
Active
tCOE
5
ns
5
Output High-Z from
Deselection
tOD
40
70
100
ns
5
Output Hold from
Address Change
toH
5
ns
Write Cycle Time
tWC
120
150
200
ns
Write Pulse Width
tWP
90
100
150
ns
3
Address Setup Time
tAW
0
ns
Write Recovery Time
tWR
20
ns
Output High-Z from
WE
tODW
40
70
80
ns
5
Output Active from
WE
tOEW
5
ns
5
Data Setup Time
tDS
50
60
80
ns
4
Data Hold Time from
WE
tDH
20
ns
4
AC TEST CONDITIONS
Output Load: 50pF + 1TTL Gate
Input Pulse Levels: 0 to 3V
Timing Measurement Reference Levels
Input: 1.5V
Output: 1.5V
Input Pulse Rise and Fall Times: 5ns
相關(guān)PDF資料
PDF描述
DS1243Y 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1244W-120 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1244YP-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1244WP-120 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1244Y-70 0 TIMER(S), REAL TIME CLOCK, PDMA28
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