ICS85214I Datasheet, PDF (6/15 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-HSTL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS85214I
LOW SKEW, 1-TO-5
DIFFERENTIAL-TO-HSTL FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
1.8V±0.2V
V_DD
V_DDO
HSTL
GND
SCOPE
Qx
nQx
0V
3.3V/1.8V OUTPUT LOAD AC TEST CIRCUIT
V_DD
nCLK0
V
PP
CLK0
Cross Points
GND
DIFFERENTIAL INPUT LEVEL
V
CMR
nQx
Qx
nQy
Qy
t sk(o)
OUTPUT SKEW
nQx
PART 1
Qx
nQy
PART 2
Qy
t sk(pp)
PART-TO-PART SKEW
CLK1
nQ0:nQ4
Q0:Q4
t_PD
nCLK0
CLK0
nQ0:nQ4
Q0:Q4
t_PD
PROPAGATION DELAY
85214AGI
Clock
20%
Outputs
80%
t_R
80%
t_F
V_{SW I N G}
20%
OUTPUT RISE/FALL TIME
nQ0:nQ4
Q0:Q4
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
6
REV. A JUNE 1, 2005