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參數(shù)資料
| 型號(hào)： | MAX4588EAI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RF/VIDEO MUX DUAL 4CH 28-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 功能： | 視頻多路復(fù)用器/多路分解器 |
| 電路： | 2 x 4:1 |
| 導(dǎo)通狀態(tài)電阻： | 60 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 12 V，± 2.7 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
MAX4588
Power-On Reset (POR)
The MAX4588 has internal circuitry to guarantee a
known state on power-up. In the default state, A0 = A1
= A2 = 0, disable = 1, and all switches are off. This
state is equivalent to asserting RS during normal opera-
tion.
Serial Operation
The serial mode is activated by driving the SER/PAR
input pin to a logic high. The data is then entered using a
normal SPI/MICROWIRE write operation. Refer to Figure
7 for a detailed diagram of the serial-interface logic.
There are four flip-flops in the shift register, with the out-
put of the fourth shift register being output on the DOUT
pin. Note: DOUT changes on the rising edge of SCLK.
This allows cascading of multiple MAX4588s using only
one chip-select line. For example, one 16-bit write could
load the shift registers of four cascaded MAX4588s. The
data from the shift register is moved to the internal con-
trol latches only upon the rising edge of CS, so all four
MAX4588s change state simultaneously.
Parallel Operation
The parallel mode is activated by driving SER/PAR to a
logic low. The MAX4588 is programmed by a latched
parallel bus scheme. Refer to Figure 6 for a detailed
diagram of the parallel-interface logic. Note that 4/8 is
not latched. It is best to hard-wire 4/8 to a known state
for the desired mode of operation, or to use a dedicat-
ed microcontroller port pin.
Low-Voltage, High-Isolation,
Dual 4-Channel RF/Video Multiplexer
16
______________________________________________________________________________________
Parallel Operation
Connects NO5 to COM2
1
0
Connects NO6 to COM2
1
0
Connects NO7 to COM2
1
0
Connects NO8 to COM2
1
0
Connect NO1 to COM1 and NO5 to COM2
x
0
Connects NO1 to COM1
0
Connects NO2 to COM1
0
Connects NO3 to COM1
0
Connects NO4 to COM1
0
All switches off.
x
0
Serial Mode. Refer to
Serial Operation
Truth Table.
x
1
SER/PAR
All switches off, latches are cleared.
x
Maintain previous state.
x
0
SWITCH STATES
A2
0
1
0
1
x
A1
0
1
0
1
0
1
0
1
x
A0
1
0
x
EN
0
x
1
LE
1
0
1
RS
0
1
0
x
4/8
8
Connect NO2 to COM1 and NO6 to COM2
x
0
Connect NO3 to COM1 and NO7 to COM2
x
0
Connect NO4 to COM1 and NO8 to COM2
x
0
1
0
1
0
1
x = Don’t Care
Note: 4/8 is not latched when LE is high. When LE is low, all latches are transparent. A2, A1, A0, and EN are latched.
Connect COM1 to COM2 externally for 1-of-8 single-ended operation.
Truth Tables
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