ICS844020-45 Datasheet, PDF (5/13 Pages) Integrated Device Technology – FEMTOCLOCK™ CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER

ICS844020-45
FEMTOCLOCK™ CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
PRELIMINARY
2.5V±5%
POWER SUPPLY
+ ^{Float GND–}
V_DD^,
V_DDO V_DDA
LVDS
Qx ^SCOPE
nQx
2.5V LVDS OUTPUT LOAD AC TEST CIRCUIT
1.25V±5%
1.25V±5%
V_DD,
V_DDO
V_DDA
LVCMOS
GND
SCOPE
Qx
-1.25V±5%
2.5V LVCMOS OUTPUT LOAD AC TEST CIRCUIT
nQx
Qx
nQy
Qy
t sk(o)
V
DDO
Qx
2
V
DDO
Qy
2
t sk(o)
LVDS OUTPUT SKEW
LVCMOS OUTPUT SKEW
Clock
20%
Outputs
80%
t_R
80%
t_F
V_OD
20%
20%
Clock
Outputs
80%
t_R
80%
t_F
20%
LVDS OUTPUT RISE/FALL TIME
IDT^™ / ICS^™ LVDS/LVCMOS FREQUENCY SYNTHESIZER
LVCMOS OUTPUT RISE/FALL TIME
5
ICS844020-45 REV A JUNE 14, 2006