ICS508
PECL TO CMOS CONVERTER PECL TO CMOS TRANSLATOR
IDT™ / ICS™
PECL TO CMOS CONVERTER 4
ICS508 REV G 092209
Note 1: VDDP must always be greater than or equal to VDDC
AC Electrical Characteristics
VDDP = VDDC = 3.3V±5%, Ambient Temperature 0 to +70° C, unless stated otherwise
Output High Voltage V
OH
VDDC = 5 V
IOH = -24 mA
VDDC - 0.4 V
VDDC = 3.3 V
IOH = -18 mA
VDDC - 0.4 V
VDDC = 2.5 V
IOH = -8 mA
VDDC - 0.4 V
Output Low Voltage V
OL
VDDC = 5 V
IOL = 24 mA
0.4 V
VDDC = 3.3 V
IOL = 18 mA
0.4 V
VDDC = 2.5 V
IOL = 8 mA
0.4 V
On Chip Pull-up Resistor R
PU
OE 250 kΩ
Operating Supply Current IDDP 100 MHz, no load 1.5 mA
IDDC 100 MHz, no load 8 mA
Parameter Symbol Conditions Min. Typ. Max. Units
Input Frequency f
IN
0250MHz
Output Clock Rise Time 100 MHz 0.8 V to 2.0 V, VDDP=VDDC = 5 V 0.4 ns
100 MHz 0.8 V to 2.0 V, VDDP=VDDC=3.3 V 0.6 ns
100 MHz 0.8 V to 2.0 V, VDDP=VDDC=2.5 V 1 ns
Output Clock Fall Time 100 MHz 2.0 V to 0.8 V, VDDP=VDDC = 5 V 0.4 ns
100 MHz 2.0 V to 0.8 V, VDDP=VDDC=3.3 V 0.6 ns
100 MHz 2.0 V to 0.8 V, VDDP=VDDC=2.5 V 1 ns
Output Enable Time 100 MHz OE high to output on 0 - 100 MHz 7 20 ns
Output Disable Time 100 MHz OE low to tri-state 0 - 100 MHz 7 20 ns
Propagation Delay VDDP = 5 V, VDDC = 5 V, 4 6 ns
100 MHz VDDP = 5 V, VDDC = 3.3 V 4.5 7 ns
100 MHz VDDP = 5 V, VDDC = 2.5 V 5.5 9 ns
100 MHz VDDP = 3.3 V, VDDC = 3.3 V 4.5 7 ns
VDDP = 3.3 V, VDDC = 2.5 V 5.5 9 ns
Output Clock Duty
Cycle 0 - 100 MHz
Any VDD combination 45 55 %
Parameter Symbol Conditions Min. Typ. Max. Units
