ICS83948I Datasheet, PDF (5/10 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-12 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS83948I
LOW SKEW, 1-TO-12
DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
1.65V±0.15V
V_DD,
V_DDO
LVCMOS
SCOPE
Qx
V_DD
nCLK
V
PP
CLK
Cross Points
V
CMR
GND = -1.65V±0.15V
3.3V OUTPUT LOAD AC TEST CIRCUIT
GND
DIFFERENTIAL INPUT LEVEL
V_DDO
Qx
2
V_DDO
Qy
2
t sk(o)
OUTPUT SKEW
PART 1
Qx
PART 2
Qy
V
DDO
2
V
DDO
2
t sk(pp)
PART-TO-PART SKEW
2V
0.8V
Clock
Outputs
t_R
OUTPUT RISE/FALL TIME
2V
0.8V
t_F
LVCMOS_
CLK
nCLK
CLK
V_DDO
2
Q0:Q11
V_DDO
2
t _PW
V_DDO
2
t _PERIOD
V_DDO
2
Q0:Q11
V_DDO
2
t_{PD ➤}
odc = ^{t PW}
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
PROPAGATION DELAY
83948AYI
www.icst.com/products/hiperclocks.html
5
REV. C DECEMBER 15, 2005