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HI-8783PST 参数 Datasheet PDF下载

HI-8783PST图片预览
型号: HI-8783PST
PDF下载: 下载PDF文件 查看货源
内容描述: ARINC接口设备的8位并行数据转换为429和561的串行数据输出 [ARINC INTERFACE DEVICE 8 bit parallel data converted to 429 & 561 serial data out]
分类和应用: 外围集成电路光电二极管
文件页数/大小: 9 页 / 187 K
品牌: HOLTIC [ HOLT INTEGRATED CIRCUITS ]
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HI-8783, HI-8784, HI-8785
September 2006
ARINC INTERFACE DEVICE
8 bit parallel data converted to 429 & 561 serial data out
PIN CONFIGURATIONS
DESCRIPTION
The HI-8783, HI-8784, and HI-8785 are system compo-
nents for interfacing 8 bit parallel data to an ARINC 429
bus. The HI-8783 is a logic device only and requires a sep-
arate line driver circuit, such as the HI-3182 or HI-8585.
The HI-8784 and HI-8785 combine logic and line driver on
one chip. The HI-8784 has an output resistance of 37.5
ohms, and the HI-8785 has an output resistance of 10
ohms to facilitate external lightning protection cicuitry. The
technology is analog/digital CMOS.
The HI-8783 is available in a 22 pin DIP format as a second
source replacement for the Micrel / California Devices
DLS-111BV.
The products offer high speed data bus data transactions
to a buffer register. After loading 4 bytes, data is automati-
cally transferred and transmitted. The data rate is equal to
the clock rate. Parity can be enabled in the 32nd bit. Reset
is used to initialize the logic upon startup. Word gaps are
transmitted automatically.
The HI-8784 and HI-8785 require +/- 10 volt supplies in ad-
dition to the 5 volt supply.
VCC
561 SYNC
D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
4
5
6
7
8
9
10
20
19
18
561 DATA
DATA ZERO
DATA ONE
PARITY ENB
XMT READY
XMIT CLK
RESET
WRITE
A0
GND
HI-8783PSI
&
HI-8783PST
17
16
15
14
13
12
11
20-Pin Plastic SOIC - WB package
FEATURES
l
l
l
l
l
VCC
561 SYNC
D0
D1
D2
D3
D4
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
V+
561 DATA
TXBOUT
TXAOUT
V-
PARITY ENB
XMT READY
XMIT CLK
RESET
WRITE
SLP1.5
A0
Automatically converts 8 bit parallel data
to ARINC 429 or 561 serial data
High speed data bus interface
On-chip line driver option
SOIC packages available
Military processing options
HI-8784PSI
HI-8784PST
HI-8785PSI
&
HI-8785PST
21
20
19
18
17
16
15
14
13
D5
D6
NC
D7
GND
24-Pin Plastic SOIC - WB package
(See page 7 for additional pin configurations)
(DS8783 Rev.I)
HOLT INTEGRATED CIRCUITS
www.holtic.com
09/06