MAX4588 Maxim, MAX4588 Datasheet - Page 17

• Manufacturer Part Number: MAX4588
• Description: The MAX4588 low-voltage, dual 4-channel multiplexer is designed for RF and video signal processing at frequencies up to 180MHz in 50Ω and 75Ω systems
• Manufacturer: Maxim

Serial Operation
x = Don’t Care
* DOUT is delayed by 4 clock cycles from DIN.
Control Bit and 4/8 Logic
x = Don’t Care
Note: DISABLE, A2, A1, and A0 are the 4 bits latched into the MAX4588 with a MICROWIRE/SPI write. A0 is the LSB (first bit in
SER/PAR
DISABLE
1
0
1
1
1
1
1
time). DISABLE is the MSB (last bit in time).
BIT
1
0
0
0
0
0
0
0
0
0
0
0
0
CS
1
0
0
x
x
x
______________________________________________________________________________________
BIT
SCLK
A2
0
0
0
0
1
1
1
1
x
x
x
x
x
x
x
x
x
x
Dual 4-Channel RF/Video Multiplexer
DIN
BIT
0
1
A1
x
x
x
x
x
x
0
0
1
1
0
0
1
1
0
0
1
1
EN
x
x
0
1
1
1
1
BIT
A0
0
1
0
1
0
1
0
1
0
1
0
1
x
Low-Voltage, High-Isolation,
RS
0
1
1
1
1
1
x
PIN
4/8 8
x
0
0
0
0
0
0
0
0
1
1
1
1
High-Z
DOUT
0
*
*
*
*
*
All switches off.
Connect NO1 to COM1
Connect NO2 to COM1
Connect NO3 to COM1
Connect NO4 to COM1
Connect NO5 to COM2
Connect NO6 to COM2
Connect NO7 to COM2
Connect NO8 to COM2
Connect NO1 to COM1 and NO5 to COM2
Connect NO2 to COM1 and NO6 to COM2
Connect NO3 to COM2 and NO7 to COM2
Connect NO4 to COM2 and NO8 to COM2
All switches off. Latches and shift register are
cleared. This is the power-on reset (POR) state.
Parallel Mode. Refer to Parallel Operation Truth
Table.
All switches off.
Chip unselected.
Input shift register loads one bit from DIN. DOUT
updates on SCLK’s rising edge.
Input shift register loads one bit from DIN. DOUT
updates on SCLK’s rising edge.
Contents of shift register transferred to control
latches.
Truth Tables (continued)
ON SWITCHES/STATES
ON SWITCHES/STATES
17