參數(shù)資料
型號(hào): 7P512CFA4500C25
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: PROM
英文描述: 256M X 16 FLASH 3V PROM CARD, 250 ns, XMA50
封裝: CARD-50
文件頁數(shù): 8/32頁
文件大?。?/td> 264K
代理商: 7P512CFA4500C25
16
White Electronic Designs Corporation Marlborough, MA (508) 485-4000
CompactFlashTM Cards
CFA45 Series
White Electronic Designs
Parameter
Symbol
IEEE Symbol
Min. ns
Max. ns
Output Enable Access Time
ta (OE)
tGLQV
125
Output Disable Time from OE
tdis (OE)
tGHQZ
100
Address Setup Time
tsu (A)
tAVGL
30
Address Hold Time
th (A)
tGHAX
20
CE Setup before OE
tsu (CE)
tELGL
0
CE Hold following OE
th (CE)
tGHEH
20
Wait Delay Falling from OE
tv (WT-OE)
tGLWTV
35
Data Setup for Wait Release
tv (WT)
tQVWTH
0
Wait Width Time
tw (WT)
tWTLWTH
350
COMMON MEMORY READ TIMING
NOTE: The maximum load on WAIT is 1 LSTTL with 50pF total load. All times are in nanoseconds. DOUT signifies data
provided by the PC Card to the system. The WAIT signal may be ignored if the OE cycle-to-cycle time is greater than the
Wait Width time. The Max Wait Width time can be determined from the Card Information Structure. The Wait Width time
meets the PCMCIA specification of 12s but is intentionally less in this specification.
COMMON MEMORY READ TIMING DIAGRAM
An
REG
CE
OE
DOUT
tSU (A)
tA (OE)
tSU (CE)
WAIT
tH (A)
tW (WT)
tH (CE)
tDIS (CE)
tV (WT-OE)
tV (WT)
tDIS (OE)
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