pi3l500-a Pericom Semiconductor Corporation, pi3l500-a Datasheet - Page 6

• Manufacturer Part Number: pi3l500-a
• Description: 3.3v, 16-bit To 8-bit, Mux / Demux Gigabit Ethernet Lan Switch Single Enable W/led Switching And Enhanced Esd Protection
• Manufacturer: Pericom Semiconductor Corporation

Notes:
Applications Information
Logic Inputs
The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a +3.3V supply, the output
enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail® minimizes power consumption.
Power-Supply Sequencing
Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply V
the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
Switching Waveforms
at Channel X
at Channel Y
All input impulses are supplied by generators having the following characteristics: PRR ≤ MHz, Z
Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
Output
Data Out
Data Out
Input
Data In
Voltage Waveforms Propagation Delay Times
t
PLH
t PLHy
t PLHX
2.5V
t SK(o) = I t PLHy – t PLHx I or I t PHLy – t PHLx I
Output Skew - t
I
2.5V
SK(o)
2.5V
t PHLX
t PHLy
2.5V
t SK(o)
t
PHL
3.5V
1.5V
V
V
OH
OL
3.5V
2.5V
1.5V
V OH
2.5V
V OL
V OH
2.5V
V OL
3.3V, 8-Channel, 2:1 Mux/DeMux Gigabit Ethenet LAN
Switch w/Single Enable and Enhanced ESD Protection
6
Output
Input
Output
Output
Voltage Waveforms Enable and Disable Times
SEL
t PZH
t PZL
t PLH
1.25V
Pulse Skew - t
t SK(p) = I t PHL – t PLH I
V DD/2
V DD/2
O
= 50Ω, t
t PHZ
t PLZ
R
≤ 2.5ns, t
CC
SK(p)
before applying signals to
1.25V
t PHL
V OL +0.3V
V OH –0.3V
F
≤ 2.5ns.
PS8803
PI3L500-A
2.5V
0V
V OH
V OL
V OL
V OH
3.5V
2.5V
1.5V
V OH
2.5V
V OL
12/13/05