PI3B16226 Datasheet, PDF (1/3 Pages) Pericom Semiconductor Corporation – 3.3V, Low Capacitance 12-Bit to 24-Bit Mux/DeMux NanoSwitch

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3.3V, Low Capacitance 12-Bit to 24-Bit
Mux/DeMux NanoSwitch™
Features
• R_ON is 8-ohms typical
• Pulldown on B Ports
• Low Power – 1mW
• Industrial Operation Temperature: –40ºC to 85ºC
• Near-Zero Propagation Delay
• Switching Speed: 4.5ns max.
• Channel on capacitance: 11pF typ.
• V_CC Operating Range: 3.3V±10%
• >100 MHz bandwidth
• Packaging (Pb-free & Green available):
-40-pin BQSOP (B)
Description
Pericom Semiconductor’s PI3B16226 is a 12-bit to 24-bit mux/demux
switch. Industry leading advantages include almost zero propagation
delay of 500ps because of 8-ohm channel resistance and low I/O
capacitance.
A1 port demultiplexes to either port B1 or B2. The switch is
bidirectional.
Application
Memory Switching
Block Diagram
Pin Configuration
1A1
12A1
SEL
Function Table
SEL
L
H
Note: n = 1–12
1B1
1B2
12B1
12B2
A
B
SEL
FUNCTION
nΑl to nΒl
nΑl to nΒ2
1A1 1
2B1 2
2B2 3
3A1 4
GND 5
4B1 6
4B2 7
5A1 8
6B1 9
6B2 10
7A1 11
VCC 12
8B1 13
8B2 14
9A1 15
10B1 16
10B2 17
11A1 18
12B1 19
12B2 20
40 SEL
39 1B1
38 1B2
37 2A1
36 3B1
35 3B2
34 4A1
33 5B1
32 5B2
31 6A1
30 7B1
29 7B2
28 8A1
27 GND
26 9B1
25 9B2
24 10A1
23 11B1
22 11B2
21 12A1
1
PS8387F
09/29/04