ICS85411I Datasheet, PDF (6/16 Pages) Integrated Device Technology – LOW SKEW, 1-TO-2 DIFFERENTIAL-TOLVDS FANOUT BUFFER

ICS85411I
LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-LVDS FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
3.3V±10%
V_DD
POWER SUPPLY
+ Float GND –
LVDS
SCOPE
Qx
nQx
3.3V OUTPUT LOAD AC TEST CIRCUIT
V
DD
nCLK
V
PP
CLK
Cross Points
GND
DIFFERENTIAL INPUT LEVEL
nQx
PART 1
Qx
nQy
PART 2
Qy
t sk(pp)
PART-TO-PART SKEW
nQx
Qx
nQy
Qy
t sk(o)
OUTPUT SKEW
V
CMR
nCLK
CLK
nQ0, nQ1
Q0, Q1
t_PD
PROPAGATION DELAY
nQ0, nQ1
Q0, Q1
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
IDT^™ / ICS^™ DIFFERENTIAL-TO-LVDS FANOUT BUFFER
Clock
20%
Outputs
80%
t_R
80%
t_F
V_OD
20%
OUTPUT RISE/FALL TIME
V_DD
DC Input LVDS
out
➤
100
V_OD/Δ V_OD
out
DIFFERENTIAL OUTPUT VOLTAGE SETUP
6
ICS85411AMI REV. B NOVEMBER 7, 2007