ICS8523I Datasheet, PDF (6/16 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-4 DIFFERENTIAL-TO-HSTL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS8523I
LOW SKEW, 1-TO-4
DIFFERENTIAL-TO-HSTL FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
1.8V±0.2V
V_DD
V_DDO
HSTL
SCOPE
Qx
nQx
V_DD
nCLK, nPCLK
V
PP
CLK, PCLK
Cross Points
V
CMR
GND
GND = 0V
3.3V/1.8V OUTPUT LOAD AC TEST CIRCUIT
DIFFERENTIAL INPUT LEVEL
nQx
Qx
nQy
Qy
t sk(o)
Qx
PART 1
nQx
Qy
PART 2
nQy
t sk(pp)
OUTPUT SKEW
PART-TO-PART SKEW
Clock
20%
Outputs
80%
t_R
80%
V_{SW I N G}
20%
nCLK,
nPCLK
CLK,
PCLK
nQ0:nQ3
t_F
Q0:Q3
t_PD
OUTPUT RISE/FALL TIME
PROPAGATION DELAY
nQ0:nQ3
Q0:Q3
odc & t
PERIOD
8523BGI
Pulse Width
t
PERIOD
odc = ^{t PW}
t _PERIOD
www.icst.com/products/hiperclocks.html
6
REV. C SEPTEMBER 16, 2004