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參數(shù)資料
| 型號(hào)： | AS7C332MPFS18A-133TQC |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 3.3V 2M x 18 pipelined burst synchronous SRAM |
| 中文描述： | 2M X 18 STANDARD SRAM, 3.8 ns, PQFP100 |
| 封裝： | 14 X 20 MM, TQFP-100 |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大?。?/td> | 508K |
| 代理商： | AS7C332MPFS18A-133TQC |
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AS7C332MPFS18A
12/23/04,
v.1.5
Alliance Semiconductor
6 of 19
Write enable truth table (per byte)
Key:
X = don’t care, L = low, H = high, n = a, b;
BWE
,
BWn
= internal write signal.
Asynchronous Truth Table
Notes:
1. X means “Don’t Care”
2. ZZ pin is pulled down internally
3. For write cycles that follows read cycles, the output buffers must be disabled with OE, otherwise data bus contention will occur.
4. Snooze mode means power down state of which stand-by current does not depend on cycle times
5. Deselected means power down state of which stand-by current depends on cycle times
Burst sequence table
Function
GWE
L
H
H
H
H
H
BWE
X
L
L
L
H
L
BWa
X
L
L
H
X
H
BWb
X
L
H
L
X
H
Write All Bytes
Write Byte a
Write Byte b
Read
Operation
ZZ
H
L
L
L
L
OE
X
L
H
X
X
I/O Status
High-Z
Dout
High-Z
Din, High-Z
High-Z
Snooze mode
Read
Write
Deselected
Interleaved burst address(LBO = 1)
Linear burst address(LBO = 0)
A1 A0
0 0
0 1
1 0
1 1
A1 A0
0 1
0 0
1 1
1 0
A1 A0
1 0
1 1
0 0
0 1
A1 A0
1 1
1 0
0 1
0 0
A1 A0
0 0
0 1
1 0
1 1
A1 A0
0 1
1 0
1 1
1 0
A1 A0
1 0
1 1
0 0
0 1
A1 A0
1 1
0 0
0 1
1 0
Starting Address
First Increment
Second Increment
Third Increment
Starting Address
First Increment
Second Increment
Third Increment
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C332MPFS18A-133TQCN | 3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-133TQI | 3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-133TQIN | 3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-166TQC | 3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-166TQCN | 3.3V 2M x 18 pipelined burst synchronous SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C332MPFS18A-133TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-133TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-133TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-166TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 2M x 18 pipelined burst synchronous SRAM |
| AS7C332MPFS18A-166TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 2M x 18 pipelined burst synchronous SRAM |
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