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參數(shù)資料
| 型號(hào)： | AS7C252MFT18A-75TQC |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | CARD READER 2 HEAD INSERT RS232 |
| 中文描述： | 2M X 18 STANDARD SRAM, 7.5 ns, PQFP100 |
| 封裝： | 14 X 20 MM, TQFP-100 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 508K |
| 代理商： | AS7C252MFT18A-75TQC |
1/17/05, v 1.2
Alliance Semiconductor
14 of 19
AS7C252MFT18A
Timing waveform of read/write cycle(ADSC controlled, ADSP = HIGH)
Note: ADV is don’t care here.
t
CYC
t
CL
t
CH
t
ADSCH
CLK
ADSC
ADDRESS
A2
A1
t
ADSCS
A3
A4
A6
A5
A7
A8
A9
t
AH
t
AS
BWE
BW[a:b]
t
WH
t
WS
t
CSH
CE0,CE2
t
CSS
t
LZOE
t
OE
t
HZOE
Q(A1)
Q(A2)
Q(A3)
Q(A4)
Q(A9)
Q(A10)
t
CD
t
OH
D(A6)
D(A7)
D(A5)
t
DS
t
DH
OE
Dout
Din
READ
Q(A1)
READ
Q(A2)
READ
Q(A3)
READ
Q(A4)
WRITE
D(A5)
WRITE
D(A6)
WRITE
D(A7)
WRITE
D(A8)
READ
Q(A10)
CE1
A10
D(A8)
READ
Q(A9)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C252MFT18A-75TQCN | CARD READER 2 HEAD INSERT RS232 |
| AS7C252MFT18A-75TQI | CARD READER FULL INSERT 2 TRACK |
| AS7C252MFT18A-75TQIN | CARD READER FULL INSERT RS-232 |
| AS7C252MFT18A-85TQC | CARD READER FULL INSERT USB |
| AS7C252MFT18A-85TQCN | CARD READER 3 TRACK FULL INSERT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C252MFT18A-75TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Flow-through synchronous SRAM |
| AS7C252MFT18A-75TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Flow-through synchronous SRAM |
| AS7C252MFT18A-75TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Flow-through synchronous SRAM |
| AS7C252MFT18A-85TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Flow-through synchronous SRAM |
| AS7C252MFT18A-85TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Flow-through synchronous SRAM |
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