參數(shù)資料
型號(hào): DS1248YP-70
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, DMA34
封裝: POWERCAP, MODULE-34
文件頁(yè)數(shù): 4/18頁(yè)
文件大?。?/td> 398K
代理商: DS1248YP-70
DS1248/DS1248P 1024k NV SRAM with Phantom Clock
12 of 18
MEMORY AC ELECTRICAL CHARACTERISTICS
Over the Operating Range (3.3V)
DS1248W-120
PARAMETER
SYMBOL
MIN
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
ns
Access Time
tACC
120
ns
OE to Output Valid
tOE
60
ns
CE to Output Valid
tCO
120
ns
OE or CE to Output Active
tCOE
5
ns
5
Output High-Z from Deselection
tOD
40
ns
5
Output Hold from Address Change
tOH
5
ns
Write Cycle Time
tWC
120
ns
Write Pulse Width
tWP
90
ns
3
Address Setup Time
tAW
0
ns
Write Recovery Time
tWR
20
ns
10
Output High-Z from
WE
tODW
40
ns
5
Output Active from
WE
tOEW
5
ns
5
Data Setup Time
tDS
50
ns
4
Data Hold Time from
WE
tDH
20
ns
4
PHANTOM CLOCK AC ELECTRICALCHARACTERISTICS
Over the Operating Range (3.3V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
ns
CE Access Time
tCO
100
ns
OE Access Time
tOE
100
ns
CE to Output Low-Z
tCOE
5
ns
OE to Output Low-Z
tOEE
5
ns
CE to Output High-Z
tOD
40
ns
5
OE to Output High-Z
tODO
40
ns
5
Read Recovery
tRR
20
ns
Write Cycle Time
tWC
120
ns
Write Pulse Width
tWP
100
ns
3
Write Recovery
tWR
20
ns
10
Data Setup Time
tDS
45
ns
4
Data Hold Time
tDH
0
ns
4
CE Pulse Width
tCW
105
ns
RST Pulse Width
tRST
120
ns
相關(guān)PDF資料
PDF描述
DS1248W-120 REAL TIME CLOCK, PDIP32
DS1248WP-120 REAL TIME CLOCK, DMA34
DS1250ABP-70 512K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA34
DS1250AB-100 512K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DIP32
DS1250Y-100 512K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DIP32
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