参数资料
型号: ICS84025EMLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 125 MHz, OTHER CLOCK GENERATOR, PDSO24
封装: 7.50 X 15.33 MM, 2.30 MM HEIGHT, SOIC-24
文件页数: 9/12页
文件大小: 1450K
代理商: ICS84025EMLF
84025EM
www.icst.com/products/hiperclocks.html
REV. A APRIL 16, 2003
6
Integrated
Circuit
Systems, Inc.
ICS84025
CRYSTAL-TO-LVCMOS / LVTTL
FREQUENCY SYNTHESIZER WITH FANOUT BUFFER
PRELIMINARY
SCOPE
Qx
LVCMOS
3.3V OUTPUT LOAD AC TEST CIRCUIT
3.3V/2.5V OUTPUT LOAD AC TEST CIRCUIT
OUTPUT SKEW
3.3V/1.8V OUTPUT LOAD AC TEST CIRCUIT
odc, t
PW & tPERIOD
SCOPE
Qx
LVCMOS
2.05V±5%
V
DDO
GND = -1.25V±5%
V
DD
1.25V±5%
SCOPE
Qx
LVCMOS
V
DD, VDDA, VDDO = 1.65V±5%
GND = -1.65V±5%
tsk(o)
V
DDO
2
V
DDO
2
Qy
Qx
Q0:Q5
V
DDO
2
V
DDO
2
V
DDO
2
Cycle-to-Cycle Jitter
tjit(cc) = tcycle n –tcycle n+1
1000 Cycles
tcycle n
tcycle n+1
Period Jitter
VOH
VREF
VOL
Mean Period
(First edge after trigger)
Reference Point
(Trigger Edge)
1
σ contains 68.26% of all measurements
2
σ contains 95.4% of all measurements
3
σ contains 99.73% of all measurements
4
σ contains 99.99366% of all measurements
6
σ contains (100-1.973x10-7)% of all measurements
Histogram
Pulse Width
t
PERIOD
t
PW
t
PERIOD
odc =
V
DDO
2
Q0:Q5
OUTPUT RISE/FALL TIME
Clock Outputs
20%
80%
20%
t
R
t
F
PARAMETER MEASUREMENT INFORMATION
GND = -0.9V±0.075V
V
DDO
V
DD
2.4± 0.9V
0.9V±0.075V
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