vsc8164 Vitesse Semiconductor Corp, vsc8164 Datasheet - Page 4

• Manufacturer Part Number: vsc8164
• Description: 2.488 Gbit/sec To 2.7gbit/sec 1 16 Sonet/sdh Demux Semiconductor Corporation
• Manufacturer: Vitesse Semiconductor Corp

2.488 Gbit/sec to 2.7Gbit/sec
1:16 SONET/SDH Demux
Page 4
recommended that the V
on each V
also be placed in parallel with the 0.1 F and 0.01 F capacitors mentioned above. Recommended capacitors are
low inductance ceramic SMT X7R devices. For the 0.1 F capacitor, a 0603 package should be used. The
0.01 F and 0.001 F capacitors can be either 0603 or 0402 packages.
board’s main +3.3V power supply and placed close to the C-L-C pi filter.
V
AC Characteristics
CC
High speed differential serial data input
Decoupling of the power supplies is a critical element in maintaining the proper operation of the part. It is
For low frequency decoupling, 47 F tantalum low inductance SMT caps should be sprinkled over the
If the device is being used in an ECL environment with a -3.3V supply, then all references to decoupling
High speed differential clock input
must be changed to V
CC
power supply pin as close to the package as possible. If room permits, a 0.001 F capacitor should
Parallel data clock output
Parallel data clock output
HSCLKI+
Parallel data outputs
CLK16O+
CLK32O+
D(0...15)+
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
DI+
CC
EE
power supply be decoupled using a 0.1 F and 0.01 F capacitor placed in parallel
, and all references to decoupling 3.3V must be changed to -3.3V.
D0
VITESSE
VITESSE SEMICONDUCTOR CORPORATION
SEMICONDUCTOR CORPORATION
Figure 6: High Speed Input Timing
Figure 5: AC Timing Waveforms
D1 D2
VALID DATA (1)
D3
D4 D5 D6 D7 D8 D9 D10D11 D12
t
t
pdd
pd32
t
dsu
VALID DATA (2)
t
dh
Preliminary Datasheet
D13D14 D15
VSC8164
G52239-0, Rev. 3.3
5/17/00