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參數資料
| 型號： | W24257AS-20 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 High Speed CMOS Static RAM |
| 中文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDSO28 |
| 封裝： | 0.330 INCH, SOP-28 |
| 文件頁數： | 7/11頁 |
| 文件大小： | 226K |
| 代理商： | W24257AS-20 |
W24257A
Publication Release Date: May 1997
- 7 -
Revision A14
Timing Waveforms, continued
Write Cycle 1
(OE Clock)
Address
OE
CS
WE
D
OUT
D
IN
T
WC
T
WR
T
CW
T
WP
T
AS
T
OHZ
(1, 4)
T
DW
T
DH
T
AW
Write Cycle 2
(OE = V
IL
Fixed)
Address
CS
WE
D
OUT
D
IN
T
WC
T
CW
T
AS
T
DH
T
WR
T
WP
T
WHZ
DW
T
(2)
(3)
T
OW
T
OH
AW
T
(1, 4)
Notes:
1. During this period, I/O pins are in the output state, so input signals of opposite phase to the outputs should not be applied.
2. The data output from D
OUT
are the same as the data written to D
IN
during the write cycle.
3. D
OUT
provides the read data for the next address.
4. Transition is measured
±
500 mV from steady state with C
L
= 5 pF. This parameter is guaranteed but not 100% tested.
相關PDF資料 |
PDF描述 |
|---|---|
| W24257 | 32K X 8 High Speed CMOS Static RAM |
| W24257A | 32K X 8 High Speed CMOS Static RAM |
| W24257AJ-12 | 32K X 8 High Speed CMOS Static RAM |
| W24257C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W24257AS-35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
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