MPC940L
LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP
Table 7. DC Characteristics (TA = 0° to 70°C, VCCI = 2.5 V ±5%; VCCO = 2.5 V ±5%)
Symbol
VIH
Characteristic
Input HIGH Voltage
Min
Typ
Max
VCCI
Unit
V
Condition
CMOS_CLK
CMOS_CLK
PECL_CLK
PECL_CLK
2.0
VIL
Input LOW Voltage
0.8
V
VPP
VCMR
VOH
VOL
IIN
Peak-to-Peak Input Voltage
Common Mode Range
Output HIGH Voltage
Output LOW Voltage
Input Current
500
VCCI – 1.0
1.8
1000
mV
V
VCCI – 0.6
V
IOH = –12 mA
IOL = 12 mA
0.5
V
±200
µA
pF
pF
Ω
CIN
Input Capacitance
4.0
10
Cpd
Power Dissipation Capacitance
Output Impedance
per output
ZOUT
ICC
18
23
28
Maximum Quiescent Supply Current
0.5
1.0
mA
Table 8. AC Characteristics (TA = 0° to 70°C, VCCI = 2.5 V ±5%; VCCO = 2.5 V ±5%)
Symbol
Fmax
Characteristic
Maximum Input Frequency
Min
Typ
Max
Unit
MHz
ns
Condition
200
tPLH
Propagation Delay
Propagation Delay
Output-to-Output Skew
Part-to-Part Skew
Part-to-Part Skew
Part-to-Part Skew
Output Duty Cycle
Output Rise/Fall Time
PECL_CLK ≤ 150 MHz
2.6
2.3
4.0
3.1
5.2
4.0
CMOS_CLK ≤ 150 MHz
tPLH
tsk(o)
tsk(pp)
tsk(pp)
tsk(pp)
DC
PECL_CLK > 150 MHz
CMOS_CLK > 150 MHz
2.8
2.3
3.8
3.1
5.0
4.0
ns
ps
ns
ns
ns
PECL_CLK
CMOS_CLK
200
200
PECL_CLK ≤ 150 MHz
CMOS_CLK ≤ 150 MHz
2.6
1.7
Note (1)
Note (1)
Note (2)
PECL_CLK > 150 MHz
CMOS_CLK > 150 MHz
2.2
1.7
PECL_CLK
CMOS_CLK
1.2
1.0
fCLK < 134 MHz
f
45
40
50
50
55
60
%
%
Input DC = 50%
Input DC = 50%
CLK ≤ 200 MHz
tr, tf
0.3
1.2
ns
0.5 - 1.8 V
1. Across temperature and voltage ranges. Includes output skew.
2. For specific temperature and voltage. Includes output skew.
IDT™ / ICS™ 1:18 CLOCK DISTRIBUTION CHIP
5
MPC940L REV 7 JUNE 5, 2007