參數(shù)資料
型號(hào): HY29F002BC-45I
廠商: HYNIX SEMICONDUCTOR INC
元件分類: PROM
英文描述: 256K X 16 FLASH 5V PROM, 45 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 10/40頁
文件大?。?/td> 457K
代理商: HY29F002BC-45I
18
HY29F002
Rev. 4.0/Jan. 00
Write Pulse “Glitch” Protection
Noise pulses of less than 5 ns (typical) on OE#,
CE# or WE# do not initiate a write cycle.
Logical Inhibit
Write cycles are inhibited by asserting any one of
the following conditions: OE# = V
IL , CE# = VIH, or
WE# = V
IH. To initiate a write cycle, CE# and WE#
must be a logical zero while OE# is a logical one.
Power-Up Write Inhibit
If WE# = CE# = V
IL and OE# = VIH during power
up, the device does not accept commands on the
rising edge of WE#. The internal state machine is
automatically reset to the Read mode on power-
up.
Sector Protection
Additional data protection is provided by the
HY29F002’s sector protect feature, described pre-
viously, which can be used to protect sensitive
areas of the Flash array from accidental or unau-
thorized attempts to alter the data.
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