參數(shù)資料
型號(hào): BA829
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 5/10頁(yè)
文件大?。?/td> 0K
描述: IC DRIVER SER/PAR I/O 8BIT DIP18
標(biāo)準(zhǔn)包裝: 1,000
類型: 驅(qū)動(dòng)器
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 通孔
封裝/外殼: 18-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 18-DIP
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1369 (CN2011-ZH PDF)
BA829
Technical Note
4/7
www.rohm.com
2009.06 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
●Block diagram
Fig.3
●Pin descriptions
PIN No.
Terminal
I/O
Function
1
CLK
I
Clock input
2
PSW
I
Power switch
3
DOUT
O
Cascade output
4
VCC
-
Power supply
5
PGND
-
GND
6
O8
O
Parallel data output
7
O7
O
8
O6
O
9
O5
O
10
O4
O
11
O3
O
12
O2
O
13
O1
O
14
PGND
-
GND
15
LGND
-
GND
16
DATA
I
Serial data input
17
STB
I
Strobe input , “L” active
18
LATCH
I
Latch input
●Description of operation
BA829 is configured internally as shown in the logic circuit diagram. Terminals of clock (CLK), data (DATA), latch (LATCH),
strobe (STB), and power switch (PSW) are available as input.
Data input is synchronized with the clock, read serially during the rise time and latched at the rise time edge of the shifted
shift register. Latched data appears on the output terminal of O1-O8 by the strobe input. Pulse width is the same as that of
the strobe input. Data output terminal DOUT, is a terminal used for cascade connection of the IC, where the output of the
final stage of the shift register has appeared, and is connected to the next data input terminal DATA. In this case, when the
clock and the strobe are used in conjunction, output terminal can be increased by 8 bits at a time.
To affect the standby mode, set the power switch to “L”.
16
1
18
17
14
01
13
02
12
03
11
04
10
05
9
06
8
07
7
08
6
2
3
15
4
5
DATA
LATCH
STB
PGND
CLK
POWER
GND
VCC
LOGIC
GND
DOUT
POWER ON
PSW
LATCH
SHIFT REG
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