ICS83947I-147 Datasheet, PDF (6/10 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-9 LVCMOS/LVTTL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS83947I-147
LOW SKEW, 1-TO-9
LVCMOS/LVTTL FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
1.65V ± 0.15V
1.25V±5%
V_DD,
V_DDO
LVCMOS
GND
SCOPE
Qx
V_DD,
V_DDO
LVCMOS
GND
SCOPE
Qx
-1.65V ± 0.15V
3.3V OUTPUT LOAD AC TEST CIRCUIT
-1.25V±5%
2.5V OUTPUT LOAD AC TEST CIRCUIT
PART 1
Qx
PART 2
Qy
V
DDO
2
V
DDO
2
t sk(pp)
V
DDO
Qx
2
V
DDO
Qy
2
t sk(o)
PART-TO-PART SKEW
V_DD
CLK0,CLK1
2
Q0:Q8
V_DDO
2
t
PD
PROPAGATION DELAY
OUTPUT SKEW
Q0:Q8
V_DDO
2
t _PW
V_DDO
2
t _PERIOD
odc = ^{t PW}
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
V_DDO
2
2V
0.8V
Clock
Outputs
t_R
2V
0.8V
t_F
20%
Clock
Outputs
80%
t_R
80%
t_F
20%
3.3V OUTPUT RISE/FALL TIME
83947AYI-147
2.5V OUTPUT RISE/FALL TIME
http://www.icst.com/products/hiperclocks.html
6
REV. A SEPTEMBER 24, 2004