參數(shù)資料
型號(hào)： SST48CF048-C1
元件分類： PROM
英文描述： 24M X 16 FLASH 3.3V PROM CARD, 100 ns, XMA50
封裝： CARD-50
文件頁(yè)數(shù)： 4/62頁(yè)
文件大?。?/td> 1077K
代理商： SST48CF048-C1
12
Data Sheet
CompactFlash Card
SST48CF008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 / 256
2002 Silicon Storage Technology, Inc.
S71125-03-000
2/02
375
-VS1
-VS2
(PC Card Memory mode)
O33
40
Voltage Sense Signals. -VS1 is grounded so that the CompactFlash
card CIS can be read at 3.3V and -VS2 is reserved by PCMCIA for a
secondary voltage.
-VS1
-VS2
(PC Card I/O mode)
This signal is the same for all modes.
-VS1
-VS2
(True IDE mode)
This signal is the same for all modes.
-WAIT
(PC Card Memory mode)
O
42
The -WAIT signal is driven low by the CompactFlash
Card to signal the host to delay completion of a memory or I/O cycle
that is in progress.
-WAIT
(PC Card I/O mode)
This signal is the same as the PC Card Memory mode signal.
IORDY
(True IDE mode)
In True IDE mode this output signal may be used as IORDY.
-WE
(PC Card Memory mode)
I
36
This is a signal driven by the host and used for strobing memory
write data to the registers of the CompactFlash card when the card is
configured in the memory interface mode. It is also used for writing
the configuration registers.
-WE
(PC Card I/O mode)
In PC Card I/O mode, this signal is used for writing the configuration
registers.
-WE
(True IDE mode)
In True IDE mode this input signal is not used and should be con-
nected to VDD by the host.
WP
(PC Card Memory mode)
Write Protect
O
24
Memory mode - The CompactFlash card does not have
a write protect switch. This signal is held low after the completion
of the reset initialization sequence.
-IOIS16
(PC Card I/O mode)
I/O Operation - When the CompactFlash card is configured for I/O
Operation Pin 24 is used for the -I/O Selected is 16 Bit Port (-IOIS16)
function. A Low signal indicates that a 16 bit or Odd Byte only opera-
tion can be performed at the addressed port.
-IOIS16
(True IDE mode)
In True IDE mode this output signal is asserted low when this device
is expecting a word data transfer cycle.
T2-2.0 375
1. I = Input
0 = Output
TABLE
2-2: SIGNAL DESCRIPTION (CONTINUED) (4 OF 4)
Symbol
Type1
Pin
Name and Functions
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