VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC8169
OC-48 (FEC) 16:1 SONET/SDH
MUX with Clock Generator
Table 2: DC Characteristics (Over recommended operating conditions).
Parameters
Description
Min Typ Max Units
Conditions
VOH(DO)
Output HIGH voltage (DO)
VCC-
0.825
—
VCC
V See Figure 12
VOL(DO)
Output LOW voltage (DO)
VCC-
1.30
—
VCC-
0.50
V See Figure 12
∆VOD(DO)
Data output differential voltage
(DO)
550
—
900
mV
100Ω termination between DO±
at load
∆VOCLK(CLKO)
CLK output differential voltage
(CLKO)
500
—
900
mV
100Ω termination between DO±
at load
VCMO
RDO
VOH
Output common-mode voltage
2.10 — 3.00 V
Back termination impedance
40
—
60
Ω Guaranteed, but not tested
Output HIGH voltage (CLK16O, VCC-
REFCLKO±)
1.020
—
VCC-
0.700
V See Figure 12
VOL
Output LOW voltage (CLK16O,
REFCLKO±)
VCC-
2.000
—
VCC-
1.620
V See Figure 12
VIH
Input HIGH voltage (LVPECL)
VCC-
1.100
—
VCC-
0.700
V
VIL
Input LOW voltage (LVPECL)
VCC-
2.0
—
VCC-
1.540
V
IIH
Input HIGH current (LVPECL)
—
—
200
µA VIN=VIH(max)
IIL
Input LOW current (LVPECL)
-50
—
—
µA VIN=VIL(min)
Ri
Input resistance (LVPECL)
10k —
—
Ω
∆VI
Input differential voltage
(LVPECL)
200 —
—
mV
VCMI
Input common-mode voltage
(LVPECL)
VCC-
1.5
—
VCC-
0.5
V
VOH
Output HIGH voltage (TTL)
2.4
—
—
V IOH = -1.0 mA
VOL
Output LOW voltage (TTL)
—
0.5
V IOL = +1.0 mA
VIH
Input HIGH voltage (TTL)
2.0
—
5.5
V
VIL
Input LOW voltage (TTL)
0.0
—
0.8
V
IIH
Input HIGH Current (TTL)
—
—
500
µA VIN = 2.4V
IIL
Input LOW Current (TTL)
—
—
-500
µA VIN = 0.4V
VCC
Supply voltage
3.14
—
3.47
V 3.3V± 5%
PD
Power dissipation
—
1.2
1.7
W Outputs open, VCC = VCC max
ICC
Supply current
—
350 490 mA Outputs open, VCC = VCC max
G52230-0, Rev 3.6
01/02/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 9