April 2007
rev 1.2
Table 5. DC Characteristics
(T
A
=-40° to +85°C, V
CCI
= 3.3V ± 5%, V
CCO
= 3.3V ± 5%)
Symbol
V
IH
V
IL
V
PP
V
CMR
V
OH
V
OL
I
IN
C
IN
C
pd
Z
OUT
I
CC
ASM2I9940L
Characteristic
Input HIGH Voltage
Input LOW Voltage
Peak–to–Peak Input
Voltage
Common Mode Range
Output HIGH Voltage
Output LOW Voltage
Input Current
Input Capacitance
Power Dissipation Capacitance
Output Impedance
Maximum Quiescent Supply Current
CMOS_CLK
CMOS_CLK
PECL_CLK
PECL_CLK
Min
2.0
Typ
Max
V
CCI
0.8
Unit
V
V
mV
V
V
Condition
500
V
CC-
1.4
2.4
1000
V
CC-
0.6
I
OH
= –20mA
I
OH
= 20mA
0.5
±200
4.0
10
18
23
0.5
28
1.0
V
µA
pF
pF
Ω
mA
per output
Table 6. AC Characteristics
(T
A
= -40° to +85°C, V
CCI
= 3.3V ± 5%, V
CCO
= 3.3V ± 5%)
Symbol
F
max
t
PLH
t
PLH
t
sk(o)
t
sk(pp)
t
sk(pp)
t
sk(pp)
DC
t
r
, t
f
Characteristic
Maximum Input Frequency
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 < 150MHz
CMOS_CLK < 150MHz
PECL_CLK > 150MHz
CMOS_CLK > 150MHz
PECL_CLK
CMOS_CLK
PECL_CLK < 150MHz
CMOS_CLK < 150MHz
PECL_CLK > 150MHz
CMOS_CLK > 150MHz
PECL_CLK CMOS_CLK
f
CLK
< 134 MHz
f
CLK
<250 MHz
Min
Typ
Max
250
Unit
MHz
nS
nS
pS
nS
nS
pS
%
%
nS
Condition
2.0
1.7
2.0
1.8
2.7
2.5
2.9
2.5
3.4
3.0
3.7
3.2
150
150
1.5
1.3
1.8
1.5
850
750
Note
1
.
1
Note .
Notes
1,2
Notes
Notes
1,2
1,3
45
40
0.3
50
50
55
60
1.1
Input DC = 50%
Input DC = 50%
0.5 – 2.4 V
Note: 1. Tested using standard input levels, Production tested @ 150MHz.
2. Across temperature and voltage ranges, includes output skew.
3. For a specific temperature and voltage, includes output skew.
Low Voltage 1:18 Clock Distribution Chip
Notice: The information in this document is subject to change without notice.
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PULSECORE [ PulseCore Semiconductor ]
