參數(shù)資料
型號(hào)： MT58V1MV18DT-10
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： SRAM
英文描述： 1M X 18 CACHE SRAM, 5 ns, PQFP100
封裝： PLASTIC, TQFP-100
文件頁(yè)數(shù)： 12/34頁(yè)
文件大?。?/td> 521K
代理商： MT58V1MV18DT-10
18Mb: 1 MEG x 18, 512K x 32/36
PIPELINED, DCD SYNCBURST SRAM
18Mb: 1 Meg x 18, 512K x 32/36, Pipelined, DCD SyncBurst SRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT58L1MY18D_16_D.fm – Rev. D, Pub 2/03
2
2003 Micron Technology, Inc.
(CE#), two additional chip enables for easy depth
expansion (CE2, CE2#), burst control inputs (ADSC#,
ADSP#, ADV#), byte write enables (BWx#), and global
write (GW#).
Asynchronous inputs include the output enable
(OE#), clock (CLK) and snooze enable (ZZ). There is
also a burst mode input (MODE) that selects between
interleaved and linear burst modes. The data out (Q) is
enabled by OE#. WRITE cycles can be from one to two
bytes wide (x18) or from one to four bytes wide (x32/
x36), as controlled by the write control inputs.
Burst operation can be initiated with either address
status processor (ADSP#) or address status controller
(ADSC#) inputs. Subsequent burst addresses can be
internally generated as controlled by the burst
advance input (ADV#).
Address and write control are registered on-chip to
simplify WRITE cycles. This allows self-timed write
cycles. Individual byte enables allow individual bytes
to be written. During WRITE cycles on the x18 device,
BWa# controls DQa pins/balls and DQPa; BWb# con-
trols DQb pins/balls and DQPb. During WRITE cycles
on the x32 and x36 devices, BWa# controls DQa pins/
balls and DQPa; BWb# controls DQb pins/balls and
DQPb; BWc# controls DQc pins/balls and DQPc; BWd#
controls DQd pins/balls and DQPd. GW# LOW causes
all bytes to be written. Parity bits are only available on
the x18 and x36 versions.
This device incorporates an additional pipelined
enable register which delays turning off the output
buffer an additional cycle when a deselect is executed.
This feature allows depth expansion without penaliz-
ing system performance.
The device is ideally suited for Pentium and
PowerPC pipelined systems and systems that benefit
from a very wide, high-speed data bus. The device is
also ideal in generic 16-, 18-, 32-, 36-, 64-, and 72-bit-
wide applications.
Please refer to Micron’s Web site (www.micron.com/
sramds) for the latest data sheet.
Dual Voltage I/O
The 3.3V VDD device is tested for 3.3V and 2.5V I/O
function. The 2.5V VDD device is tested for only 2.5V
I/O function.
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