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參數(shù)資料
| 型號： | WEDPZ512K72V-100BC |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | SRAM |
| 英文描述： | 512K X 72 ZBT SRAM, 5 ns, PBGA152 |
| 封裝： | 17 X 23 MM, PLASTIC, BGA-152 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 0K |
| 代理商： | WEDPZ512K72V-100BC |
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WEDPZ512K72V-XBX
February 2009
Rev. 9
TRUTH TABLES
WRITE TRUTH TABLE
WE#
BWa#
BWb#
BWc#
BWd#
Operation
H
XXXX
Read
L
H
Write Byte a
L
H
L
H
Write Byte b
L
H
L
H
Write Byte c
L
H
L
Write Byte d
LLLLL
Write All Bytes
L
HHHH
Write Abort/NOP
NOTES:
1.
X means “Don’t Care.”
2.
All inputs in this table must meet setup and hold time around the rising edge of CLK (–).
3.
Replace BWa# with BWe#, BWb#, with BWf#, BWc# with BWg# and BWd# with BWh# for operation of IC2.
SYNCHRONOUS TRUTH TABLE
CEx#
ADV
WE#
BWx#
OE#
CKE#
CLK
Address Accessed
Operation
H
L
XXX
L
–
N/A
Deselect
X
H
XXX
L
–
N/A
Continue Deselect
LL
H
X
LL
–
External Address
Begin Burst Read Cycle
XHX
X
L
–
Next Address
Continue Burst Read Cycle
LL
H
X
H
L
–
External Address
NOP/Dummy Read
XHX
XH
L
–
Next Address
Dummy Read
LLLL
X
L
–
External Address
Begin Burst Write Cycle
XHX
L
X
L
–
Next Address
Continue Burst Write Cycle
LLL
H
X
L
–
N/A
NOP/Write Abort
XHXHX
L
–
Next Address
Write Abort
XXXXX
H
–
Current Address
Ignore Clock
NOTES:
1.
X means “Don’t Care.”
2.
The rising edge of clock is symbolized by (–).
3.
A continue deselect cycle can only be entered if a deselect cycle is executed rst.
4.
WRITE# = L means Write operation in WRITE TRUTH TABLE.
WRITE# = H means Read operation in WRITE TRUTH TABLE.
5.
Operation nally depends on status of asynchronous input pins (ZZ and OE).
6.
CEx# refers to the combination of CS1#, CS2 and CS2#.
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| WEDPZ512K72V-100BI | 制造商:Microsemi Corporation 功能描述:512K X 72 ZBL SSRAM MODULE, 3.3V, 100MHZ, 152 BGA 17MM X 23M - Bulk |
| WEDPZ512K72V-100BM | 制造商:Microsemi Corporation 功能描述:512K X 72 ZBL SSRAM MODULE, 3.3V, 100MHZ, 152 BGA 17MM X 23M - Bulk |
| WEDPZ512K72V-133BC | 制造商:Microsemi Corporation 功能描述:512K X 72 ZBL SSRAM MODULE, 3.3V, 133MHZ, 152 BGA 17MM X 23M - Bulk |
| WEDPZ512K72V-133BI | 制造商:Microsemi Corporation 功能描述:512K X 72 ZBL SSRAM MODULE, 3.3V, 133MHZ, 152 BGA 17MM X 23M - Bulk |
| WEDPZ512K72V-133BM | 制造商:Microsemi Corporation 功能描述:512K X 72 ZBL SSRAM MODULE, 3.3V, 133MHZ, 152 BGA 17MM X 23M - Bulk |
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