PI3C16225 Datasheet, PDF (1/4 Pages) Pericom Semiconductor Corporation – 3.3V, High Bandwidth, Low Capacitance 12-Bit to 24-Bit Mux/Demux Bus Switch (16292 Pinout)

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3.3V, High Bandwidth, Low Capacitance
12-Bit to 24-Bit Mux/Demux Bus Switch
(16292 Pinout)
Product Features
• RON is 9 Ohm typical
• Pulldown on B ports
• Near-Zero Propagation Delay
• Industrial Operation Temperature –40C to +85C
• Switching speed: 4.5ns max (for 3.3V operation)
• Channel ON capacitance: 9pF typ.
• VCC Operating Range: +2V to +3.6V
• >100 MHz bandwidth
• Packages Available:
– 56-pin TSSOP (A)
Product Description
Pericom Semiconductor’s PI3C series of bus switch circuits are
produced using the Company’s advanced submicron CMOS
technology, achieving industry performance.
The PI3C16225 is a 12-bit to 24-bit, multiplexer/demultiplexer bus
switch that provides industry leading advantages such as almost
zero propagation delay of 500ps owing to 9ohm channel resistance
and low I/O capacitance. A1 port demultiplexes to either B1 or B2 port
and the switch is bidirectional.
Applications
• Provides Memory Module Switching
Logic Block Diagram
)
 ⁾
5
Truth Table
Function
nA₁ to nB₁
nA₁ to nB₂
*
*
 ^*
*
S₀
L
H
Product Pin Configuration
S0 
1A1
NC !
2A1 "
NC #
3A1 $
NC %
GND &
4A1 '
NC 
5A1 
NC 
6A1 !
NC "
7A1 #
NC $
VCC %
8A1 &
GND '
NC

9A1

NC
10A1
!
NC
"
11A1
#
NC
$
12A1
%
NC
&
56-Pin
A
1
#$ NC
## NC
#" 1B1
#! 1B2
#
2B1
# 2B2
# 3B1
"' GND
"& 3B2
"% 4B1
"$ 4B2
"# 5B1
"" 5B2
"! 6B1
"
6B2
" 7B1
" 7B2
!' 8B1
!& GND
!% 8B2
!$ 9B1
!# 9B2
!" 10B1
!! 10B2
!
11B1
! 11B2
! 12B1
'
12B2
PS8458D 03/13/01