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PL123E-05SC Datasheet, PDF (6/10 Pages) Micrel Semiconductor – Low Skew Zero Delay Buffer | |||
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(P P reliminary) L123E-05
Low Skew Zero Delay Buffer
3.3V and 2.5V AC Electrical Specifications
Description
Parameter Test Conditions
Min Typ Max Unit
3.3V High Drive
10 â 220 MHz
Maximum Frequency[7]
(Input/Output)
3.3V Standard Drive
1/t1
2.5V High Drive
10 â 167 MHz
10 â 200 MHz
2.5V Standard Drive
10 â 134 MHz
Input Duty Cycle
(PLL Mode only)
<133.3 MHz
T IDC
>133.3 MHz
25 â 75 %
40 â 60 %
Output Duty Cycle[8]
t2 ÷ t1
<133.3 MHz
>133.3 MHz
47 â 53 %
45 â 55 %
Standard Drive, CL = 30pF, <100 MHz
â 1.6 â ns
Standard Drive, CL = 22pF, <133.3 MHz
â 1.6 â ns
Rise, Fall Time (3.3V)[8]
Standard Drive, CL = 15pF, <167 MHz
t3,t4
High Drive, CL = 30pF, <100 MHz
â 0.6 â ns
â 1.2 â ns
High Drive, CL = 22pF, <133.3 MHz
â 1.2 â ns
High Drive, CL = 15pF, >133.3 MHz
â 0.5 â ns
Standard Drive, CL = 15pF, <133.33 MHz â 1.5 â ns
Rise, Fall Time (2.5V)[8]
High Drive, CL = 30pF, <100 MHz
t3, t4
High Drive, CL = 22pF, <133.3 MHz
â 2.1 â ns
â 1.3 â ns
High Drive, CL = 15pF, >133.3 MHz
â 1.2 â ns
Output to Output Skew [8]
t5
All outputs equally loaded
â
â 100 ps
Delay, REF Rising Edge
to CLKOUT Rising Edge[8]
t6
PLL enabled @ 3.3V
PLL enabled @2.5V
â100 â 100 ps
â200 â 200 ps
Part to Part Skew[8]
PLL Lock Time[8]
Cycle-to-Cycle Jitter,
Peak[8,9]
Measured at VDD/2.
Any output to any output, 3.3V supply
t7
Measured at VDD/2.
Any output to any output, 2.5V supply
â
â ±150 ps
â
â ±300 ps
tLOCK
Stable power supply, valid clocks pre-
sented on REF and CLKOUT pins
â
â 1.0 ms
3.3V, >66 MHz, <15pF
â
â 55 ps
3.3V, >66 MHz, <30pF, Standard. Drive
â
â 125 ps
3.3V, >66 MHz, <30pF, High Drive
â
â 100 ps
TJCC
2.5V, >66 MHz, <15pF, Standard. Drive
â
â 100 ps
2.5V, >66 MHz, <15pF, High Drive
â
â 80 ps
2.5V, >66 MHz, <30pF, High Drive
â
â 125 ps
Micrel Inc. ⢠2180 Fortune Drive ⢠San Jose, CA 95131 ⢠USA ⢠tel +1(408) 944 -0800 ⢠fax +1(408) 474-1000 ⢠www.micrel.com Rev 12/13/11 Page 6
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