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參數(shù)資料
| 型號(hào)： | MAX4456EPL |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Low-Cost 4x4, 8x4, 8x8 Video Crosspoint Switches |
| 中文描述： | 8-CHANNEL, CROSS POINT SWITCH, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, MS-011AC, DIP-40 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 249K |
| 代理商： | MAX4456EPL |
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M
Low-Cost 4x4, 8x4, 8x8
Video Crosspoint Switches
_______________________________________________________________________________________
9
Figure 2. MAX4456 (plastic DIP) Typical Application Circuit
5
7
9
11
13
15
17
19
39
37
33
31
29
27
25
24
14
8
40
26
2
4
6
8
9,15
1, 3, 5, 7 11,13
-5V
16
75
75
14
12
10
22
21
3
4
6
36
38
1
2
28, 30, 32
10, 12
20
34
23
18
16
1
2
3
4
5
6
7
8
18
19
20
21
22
23
24
25
14
8 INPUT
VIDEO
CHANNELS
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
LATCH
WR
D0/SER IN
D1/SER OUT
D2
D3
A0
A1
A2
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
CE
EDGE/LEVEL
LOAD
V+
V+
AGND
DGND
V-
V-
CE
SER/PAR
V+
+5V
-5V
+5V
NOTE:
ALL BYPASS CAPACITORS ARE 0.1
μ
F CERAMIC.
DB–25
MAX4456
IN1
IN2
IN3
V
CC
GND
V
EE
OUT1
OUT2
OUT3
IN0
OUT0
A
V
= 2
MAX497
Z
0
= 75
Typical Application
Figure 2 shows a typical application of the MAX4456
(PDIP) with MAX497 quad, gain-of-two buffers at the
outputs to drive 75
loads. This application shows the
MAX4456 digital-switch control interface set up in the 7-
bit parallel mode. The MAX4456 uses seven data lines
and two control lines (WR and LATCH). Two additional
lines may be needed to control CE and LOAD when
using multiple MAX4456s.
The input/output information is presented to the chip at
A2, A1, A0, and D3–D0 by a parallel printer port. The
data is stored in the 1st-rank registers on the rising
edge of WR. When the LATCH line goes high, the
switch configuration is loaded into the 2nd-rank regis-
ters, and all eight outputs enter the new configuration at
the same time. Each 7-bit word updates only one out-
put buffer at a time. If several buffers are to be updat-
ed, the data is individually loaded into the 1st-rank reg-
isters. Then, a single LATCH pulse is used to reconfig-
ure all channels simultaneously.
The short BASIC program in Figure 3 loads program-
ming data into the MAX4456 from any IBM PC or com-
patible. It uses the computer’s “LPT1” output to interface
to the circuit, then automatically finds the address for
LPT1 and displays a table of valid input values to be
used. The program does not keep track of previous
commands, but it does display the last data sent to
LPT1, which is written and latched with each transmis-
sion. A similar application is possible with the
MAX4359/MAX4360.
Chip Information
MAX4359 TRANSISTOR COUNT: 2372
MAX4360 TRANSISTOR COUNT: 2372
MAX4456 TRANSISTOR COUNT: 3820
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4456EPL+ | 功能描述:視頻開(kāi)關(guān) IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4456EQH | 制造商:Rochester Electronics LLC 功能描述: |
| MAX4456EQH+D | 功能描述:視頻開(kāi)關(guān) IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4456EQH+TD | 功能描述:視頻開(kāi)關(guān) IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4456EQH-D | 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
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