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參數(shù)資料
| 型號： | AL440B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:128; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| 中文描述： | 4Mbits（為512k × 8位）FIFO存儲器 |
| 文件頁數(shù)： | 11/33頁 |
| 文件大?。?/td> | 672K |
| 代理商： | AL440B |
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AL440B
AL440B
November 28, 2001
11
Start
Slave addr = 0h
Ack
Ack
Ack Stop
Index = 0Fh
Data = F0h
SDA
SCL
AL440B Serial bus Write timing
Suppose data is to be read from register 05h using read slave address 1h, the timing is as follows:
Start
Slave addr = 0h
Ack
Index = 05h
Ack
Ack
Read slave addr = 1h
Start
SDA
SCL
AL440B Serial bus read timing
NAckStop
Data read cycle
Stop
11.0 Memory Operation
11.1 Power-On-Reset & Initialization
During the system power on, a 200
μ
s negative pulse on the /RESET pin is required and will
automatically initialize chip logic. Apply a valid reset pulse to WRST and RRST after power-on-
reset to reset read/write address pointer to zero.
11.2 WRST, RRST Reset Operation
The reset signal can be given at any time regardless of the WE, RE and OE status, however, they still
need to meet the setup time and hold time requirements with reference to the clock input. When the
reset signal is provided during disabled cycles, the reset operation is not executed until cycles are
enabled again.
11.3 Control Signals Polarity Select
The AL440B provides the option for operating polarity on controlling signals. With this feature the
application design can benefit by matching up the operation polarity between AL440B and an
existing interfacing devices without additional glue logic. The operating polarity of control signals
WE, RE, WRST, RRST, IE, OE, IRDY and ORDY are controlled by /PLRTY signal. When
/PLRTY is pulled high all 8 signals will be active low. When /PLRTY is pulled low all 8 signals will
be active high.
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PDF描述 |
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| AL440B-12 | Circular Connector; No. of Contacts:56; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:24-4 RoHS Compliant: No |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AL440B-12 | 制造商:AVERLOGIC 制造商全稱:AVERLOGIC 功能描述:4M-Bit High Speed FIFO Field Memory |
| AL440B-24 | 制造商:AVERLOGIC 制造商全稱:AVERLOGIC 功能描述:4M-Bit High Speed FIFO Field Memory |
| AL441 | 制造商:CIF 功能描述:TESTBOARD SMC PROTOTYPE 100X160 制造商:CIF 功能描述:TESTBOARD, SMC, PROTOTYPE, 100X160 制造商:CIF 功能描述:TESTBOARD, SMC, PROTOTYPE, 100X160; Board Type:Prototype Board; Board Material:Epoxy; Hole Diameter:0.35mm; External Height:100mm; External Width:160mm; SVHC:No SVHC (19-Dec-2012); External Length / Height:100mm; Hole Pitch:0.4mm; ;RoHS Compliant: Yes |
| AL441 | 制造商:CIF 功能描述:SMC PROTOBOARD 100X160 |
| AL4411535 | 制造商:CELDUC 制造商全稱:celduc-relais 功能描述:REED SWITCH NORMALY OPEN, DRY CONTACT |
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