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參數資料
| 型號： | WCMA4016U1X |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 256K x 16 Static RAM |
| 中文描述： | 256K × 16靜態RAM |
| 文件頁數： | 5/9頁 |
| 文件大小： | 164K |
| 代理商： | WCMA4016U1X |
WCMA4016U1X
5
t
BW
t
SD
t
HD
t
HZWE
t
LZWE
BHE / BLE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE LOW to High Z
[7, 9]
WE HIGH to Low Z
[7]
60
30
0
ns
ns
ns
ns
ns
25
10
Switching Waveforms
Notes:
12. The device is continuously selected. OE, CE
1
= V
IL
, BHE and/or BLE = V
IL
, and CE
2
= V
IH
.
13. WE is HIGH for read cycle.
14. Address valid prior to or coincident with CE
1
, BHE, BLE transition LOW and CE
2
transition HIGH.
Switching Characteristics
Over the Operating Range
[6]
(continued)
70 ns
Parameter
Description
Min.
Max.
Unit
ADDRESS
DATA OUT
PREVIOUS DATA VALID
DATA VALID
t
RC
tAA
tOHA
Read Cycle 1 (Address Transition Controlled)
[12, 13]
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tPD
HIGH
IMPEDANCE
OE
CE
1
I
CC
I
SB
ADDRESS
CE2
VCC
SUPPLY
CURRENT
Read Cycle 2 (
OE
Controlled)
[13, 14]
tHZBE
BHE
/
BLE
tLZBE
tHZCE
DATA OUT
tDBE
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|---|---|
| WCMA4016U4X | 制造商:WEIDA 制造商全稱:WEIDA 功能描述:256K x 16 Static RAM |
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