參數(shù)資料
型號(hào)： AL440B-12
廠商： Electronic Theatre Controls, Inc.
元件分類： 圓形連接器
英文描述： 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
中文描述： 4Mbits（為512k × 8位）FIFO存儲(chǔ)器
文件頁數(shù)： 6/33頁
文件大?。?/td> 672K
代理商： AL440B-12
AL440B
AL440B
November 28, 2001
6
The internal structure of the AL440B consists of an Input/Output buffers, Write Data Registers, Read
Data Registers and main 512k x8 memory cell array and the state-of-the-art logic design that takes
care of addressing and controlling the read/write data.
7.0 Pin Definition and Description
The pin definitions and descriptions are as follows:
Write Bus Signals
Pin name
Pin number
I/O
type
DI[7:0]
9,8,7,6,4,3,2,
1
synchronized with the WCK clock. Data is acquired
at the rising edge of WCK clock.
WE
10
I
WE is an input signal that controls the 8bit input
data write and write pointer operation.
IE
11
I
IE is an input signal that controls the enabling/
disabling of the 8bit data input pins. The internal
write address pointer is always incremented at rising
edge of WCK by enabling WE regardless of the IE
level.
WCK
13
I
WCK is the write clock input pin. The write data
input is synchronized with this clock.
WRST
14
I
The WRST is a reset input signal that resets the
write address pointer to 0.
IRDY
15
O
IRDY is a status output flag that reports the FIFO
space availability.
Description
I
The DI pins input 8bits of data. Data input is
*Note: For the polarity definition of all write control signals (WE, IE, WRST and IRDY), please refer
to /PLRTY pin definition and “Memory Operation” section for details.
Read Bus Signals
Pin name
Pin number I/O
type
O
Description
DO[7:0]
36,37,38,39,
41,42,43,44
The DO pins output 8bit of data. Data output is
synchronized with the RCK clock. Data is output at
the rising edge of the RCK clock.
RE is an input signal that controls the 8bit output
data read and read pointer operation.
OE is an input signal that controls the enabling/
disabling of the 8bit data output pins. The internal
read address pointer is always incremented at rising
edge of RCK by enabling RE regardless of the OE
level.
RCK is the read clock input pin. The read data
RE
35
I
OE
34
I
RCK
32
I
相關(guān)PDF資料
PDF描述
ALC202 Circular Connector; No. of Contacts:100; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:22-35 RoHS Compliant: No
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