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參數(shù)資料
| 型號： | AS7C252MFT18A-85TQC |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | CARD READER FULL INSERT USB |
| 中文描述： | 2M X 18 STANDARD SRAM, 8.5 ns, PQFP100 |
| 封裝： | 14 X 20 MM, TQFP-100 |
| 文件頁數(shù)： | 11/19頁 |
| 文件大小： | 508K |
| 代理商： | AS7C252MFT18A-85TQC |
1/17/05, v 1.2
Alliance Semiconductor
11 of 19
AS7C252MFT18A
Key to switching waveforms
Timing waveform of read cycle
Note: Y = XOR when LBO = high/no connect; Y = ADD when LBO = low. BW[a:d] is don’t care.
don’t care
Falling input
Rising input
Undefined
t
CYC
t
CL
t
CH
t
ADSPS
t
ADSPH
t
AS
t
AH
t
WS
t
ADVS
t
OH
CLK
ADSP
ADSC
Address
GWE, BWE
CE0, CE2
ADV
OE
t
CSS
t
CD
t
WH
t
ADVH
t
HZOE
t
ADSCS
t
ADSCH
LOAD NEW ADDRESS
ADV inserts wait states
A2
A1
A3
Dout
Q(A2Y10)
Q(A2Y11)
Q(A3)
Q(A2Y01)
Q(A3Y01)
Q(A3Y10)
Q(A3Y11)
Q(A1)
t
HZC
t
LZOE
t
CSH
Read
Q(A1)
Suspend
Read
Q(A1)
Read
Q(A2)
Burst
Read
Q(A2Y01)
Read
Q(A3)
DSEL
Burst
Read
Q(A2Y10)
Suspend
Read
Q(A2Y10)
Burst
Read
Q(A2Y11)
Burst
Read
Q(A3Y01)
Burst
Read
Q(A3Y10)
Burst
Read
Q(A3Y11)
t
OE
CE1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C252MFT18A-85TQCN | CARD READER 3 TRACK FULL INSERT |
| AS7C252MNTD18A-133TQI | VACUUM BASE #381 PANAVISE |
| AS7C252MNTD18A-200TQIN | 2.5V 2M x 18 Pipelined SRAM with NTD |
| AS7C252MNTD18A | 2.5V 2M x 18 Pipelined SRAM with NTD |
| AS7C252MNTD18A-133TQC | 2.5V 2M x 18 Pipelined SRAM with NTD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AS7C252MFT18A-85TQI | 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-85TQIN | 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 |
| AS7C252MNTD18A | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Pipelined SRAM with NTD |
| AS7C252MNTD18A-133TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 2M x 18 Pipelined SRAM with NTD |
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