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參數資料
| 型號： | 33LV408RPFI-20 |
| 廠商： | MAXWELL TECHNOLOGIES |
| 元件分類： | SRAM |
| 英文描述： | 4 Megabit (512K x 8-Bit) CMOS SRAM |
| 中文描述： | 512K X 8 STANDARD SRAM, 20 ns, PDFP32 |
| 封裝： | LDFP-32 |
| 文件頁數： | 9/12頁 |
| 文件大小： | 224K |
| 代理商： | 33LV408RPFI-20 |
M
9
All data sheets are subject to change without notice
2004 Maxwell Technologies
All rights reserved.
4 Megabit (512K x 8-Bit) CMOS SRAM
33LV408
04.02.04 REV 2
F
IGURE
5: T
IMING
W
AVEFORM
OF
W
RITE
C
YCLE
(3)
W
RITE
C
YCLE
N
OTE
:
1.
All write cycle timng is referenced fromthe last valid address to the first transition address.
2.
A write occurs during the overlap of a low CS and a low WE. A write begins at the latest transition among CS going low and
WE going low: A write ends at the earliest transition among CS going high and WE going high. t
WP
is measured frombegin-
ning of write to the end of write.
3.
t
CW
is measured fromthe later of CS going low to end of write.
4.
t
AS
is measured fromthe address valid to the beginning of write.
5.
t
WR
is measured formthe end of write to the address change. TWR applied in case a write ends as CS, or WR going high.
6.
If OE, CS and WE are in the Read Mode during this period, the I/O pins are in the output low-Z state. Inputs of opposite
phase of the output must not be applied because bus contention can occur.
7.
For common I/O applications, mnimzation or elimnation of bus contention conditions is necessary during read and write
cycle.
8.
IC CS goes low simultaneously with WE going low or after WE going low the outputs remain high impedance state.
9.
D
OUT
is the read data of the new address.
10.
When CS is low: I/O pins are in the output state. The input signals in the opposite phase leading to the output should
not be applied.
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| 33LV408RPFI-25 | 4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFI-30 | 4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-20 | 4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-25 | 4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-30 | 4 Megabit (512K x 8-Bit) CMOS SRAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 33LV408RPFI-25 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFI-30 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-20 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-25 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:4 Megabit (512K x 8-Bit) CMOS SRAM |
| 33LV408RPFS-30 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:4 Megabit (512K x 8-Bit) CMOS SRAM |
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