參數(shù)資料
型號(hào)： S29GL064A10BAIW12
廠商： SPANSION LLC
元件分類： PROM
英文描述： 4M X 16 FLASH 3V PROM, 100 ns, PBGA64
封裝： FBGA-64
文件頁數(shù)： 44/97頁
文件大小： 3490K
代理商： S29GL064A10BAIW12
January 11, 2006 S29GL-A_00_A5
S29GL-A MirrorBit Flash Family
47
Pr el im i n a r y
Low VCC Write Inhibit
When VCC is less than VLKO, the device does not accept any write cycles. This
protects data during VCC power-up and power-down. The command register and
all internal program/erase circuits are disabled, and the device resets to the read
mode. Subsequent writes are ignored until VCC is greater than VLKO. The system
must provide the proper signals to the control pins to prevent unintentional
writes when VCC is greater than VLKO.
Write Pulse Glitch Protection
Noise pulses of less than 3 ns (typical) on OE#, CE# or WE# do not initiate a
write cycle.
Logical Inhibit
Write cycles are inhibited by holding any one of OE# = VIL, CE# = VIH or WE#
= VIH. 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# = VIL and OE# = VIH during power up, the device does not accept
commands on the rising edge of WE#. The internal state machine is automati-
cally reset to the read mode on power-up.
Common Flash Memory Interface (CFI)
The Common Flash Interface (CFI) specification outlines device and host system
software interrogation handshake, which allows specific vendor-specified soft-
ware algorithms to be used for entire families of devices. Software support can
then be device-independent, JEDEC ID-independent, and forward- and back-
ward-compatible for the specified flash device families. Flash vendors can
standardize their existing interfaces for long-term compatibility.
This device enters the CFI Query mode when the system writes the CFI Query
command, 98h, to address 55h, any time the device is ready to read array data.
The system can read CFI information at the addresses given in Tables 26–29. To
terminate reading CFI data, the system must write the reset command.
The system can also write the CFI query command when the device is in the au-
toselect mode. The device enters the CFI query mode, and the system can read
CFI data at the addresses given in Tables 26–29. The system must write the
reset command to return the device to reading array data.
For further information, please refer to the CFI Specification and CFI Publication
100. Alternatively, contact your sales representative for copies of these
documents.
相關(guān)PDF資料
PDF描述
S29GL128N11FAIVH0 16M X 16 FLASH 3V PROM, 110 ns, PBGA64
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