ICS85222-01 Datasheet, PDF (5/13 Pages) Integrated Circuit Systems – DUAL LVCMOS / LVTTL-TO DIFFERENTIAL

Integrated
Circuit
Systems, Inc.
ICS85222-01
DUAL LVCMOS / LVTTL-TO-
DIFFERENTIAL HSTL TRANSLATOR
PARAMETER MEASUREMENT INFORMATION
3.3V ± 5%
V_DD
HSTL
GND
0V
2.5V ± 5%
SCOPE
Qx
V_DD
HSTL
nQx
GND
0V
SCOPE
Qx
nQx
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
2.5V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT
CLK0,
CLK1
nQ0, nQ1
Q0, Q1
V_DD
2
t_PD
PART 1
nQx
Qx
PART 2
nQy
Qy
t sk(pp)
PROPAGATION DELAY
PART-TO-PART SKEW
nQ0, nQ1
Q0, Q1
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
Clock _20%
Outputs
80%
t_R
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
OUTPUT RISE/FALL TIME
85222AM-01
www.icst.com/products/hiperclocks.html
5
80%
t_F
V_{SW I N G}
20%
REV. A NOVEMBER 15, 2005