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參數資料
| 型號： | WED2ZL236512S42BC |
| 英文描述： | Synchronous Pipeline Burst NBL SRAM(2 x 512K x 36,4.2ns同步脈沖流水線靜態RAM(無總線等待時間）) |
| 中文描述： | 管道爆裂NBL的同步SRAM的（2 ×為512k × 36,4.2納秒同步脈沖流水線靜態隨機存儲器（無總線等待時間）） |
| 文件頁數： | 1/12頁 |
| 文件大小： | 213K |
| 代理商： | WED2ZL236512S42BC |
1
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED2ZL236512S
October 2000 Rev. 2
ECO #13239
DESCRIPTION
The WEDC SyncBurst - SRAM famly employs high-speed, low-
power CMOS designs that are fabricated using an advanced CMOS
process. WEDC’s 32Mb SyncBurst SRAMs integrate two 512K x 36
SRAMs into a single BGA package to provide 2 x 512K x 36
configuration. All synchronous inputs pass through registers con-
trolled by a positive-edge-triggered single-clock input (CLK). The
NBL or No Bus Latency Memory utilizes all the bandwidth in any
combination of operating cycles. Address, data inputs, and all
control signals except output enable and linear burst order are
synchronized to input clock. Burst order control must be tied “High
or Low.” Asynchronous inputs include the sleep mode enable (ZZ).
Output Enable controls the outputs at any given time. Write cycles
are internally self-timed and initiated by the rising edge of the clock
input. This feature elimnates complex off-chip write pulse genera-
tion and provides increased timng flexibility for incomng signals.
* Ths datasheet describes aproduct under deveopment, not fuly
characterized andis subect to changewthout notice
2 x 512K x 36 Synchronous Pipeline Burst NBL SRAM
PRELIMINARY*
FIG. 1
BLOCK DIAGRAM
PIN CONFIGURATION
(TOP VIEW)
CLK
CKE
SA
ADV
OE
WE
BWa
BWb
BWc
BWd
LBO
ZZ
CEa
512K x 36
SSRAM
DQ
a
-
DQ
d
DQPa
-
DQP
d
512K x 36
SSRAM
CEb
FEATURES
I
Fast clock speed: 166, 150, 133, and 100MHz
I
Fast access times: 3.5ns, 3.8ns, 4.2ns, and 5.0ns
I
Fast OE access times: 3.5ns, 3.8ns, 4.2ns, and 5.0ns
I
Single +2.5V
±
5% power supply (V
DD
)
I
Snooze Mode for reduced-standby power
I
Individual Byte Write control
I
Clock-controlled and registered addresses, data I/Os and
control signals
I
Burst control (interleaved or linear burst)
I
Packaging:
119-bump BGA package
I
Low capacitive bus loading
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
DD
SA
NC
DQ
c
DQ
c
V
DD
DQ
c
DQ
c
V
DD
DQ
d
DQ
d
V
DD
DQ
d
DQ
d
DNC
DNC
V
DD
SA
CEa
SA
DQP
c
DQ
c
DQ
c
DQ
c
DQ
c
V
DD
DQ
d
DQ
d
DQ
d
DQ
d
DQP
d
SA
NC
NC
SA
SA
SA
V
SS
V
SS
V
SS
BW
c
V
SS
DNC
V
SS
BW
d
V
SS
V
SS
V
SS
LBO
SA
NC
SA
ADV
V
DD
DNC
DNC
OE
DNC
WE
V
DD
CLK
NC
CKE
SA1
SA0
V
DD
SA
NC
SA
SA
SA
V
SS
V
SS
V
SS
BW
b
V
SS
DNC
V
SS
BW
a
V
SS
V
SS
V
SS
NC
SA
NC
SA
CEb
SA
DQP
b
DQ
b
DQ
b
DQ
b
DQ
b
V
DD
DQ
a
DQ
a
DQ
a
DQ
a
DQP
a
SA
NC
NC
V
DD
DNC
DNC
DQ
b
DQ
b
V
DD
DQ
b
DQ
b
V
DD
DQ
a
DQ
a
V
DD
DQ
a
DQ
a
NC
ZZ
V
DD
Note:
DNC = Do Not Connect. Connections to these pins
may cause the device to not function properly.
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相關代理商/技術參數 |
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| WED2ZL236512S-BC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NBL SSRAM MCP |
| WED2ZL361MS | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1Mx36 Synchronous Pipeline Burst NBL SRAM |
| WED2ZL361MS26BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1Mx36 Synchronous Pipeline Burst NBL SRAM |
| WED2ZL361MS26BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1Mx36 Synchronous Pipeline Burst NBL SRAM |
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