PI6C2408
Zero Delay Clock Buffer
PinDescription
Pin
Signal
Description
1
CLKIN
Input clock reference frequency (weak pull-down)
Clock output, Bank A (weak pull-down)
3.3V supply
2, 3, 14, 15
OUTA[1-4]
VDD
4, 13
5, 12
GND
Ground
6, 7, 10 ,11
OUTB[1-4]
SEL2
Clock output, Bank B (weak pull-down)
Select input, bit 2 (weak pull-up)
Select input, bit 1 (weak pull-up)
PLL feedback input
8
9
SEL1
16
FB_IN
ZeroDelayandSkewControl
CLKINInputtoOutputBankDelayvs.DifferenceinLoadingbetweenFB_INpinandOUTA/OUTBpins
800
600
400
200
0
0
5
10
15
20
25
-25
-20
-15
-10
-5
-200
-400
PI6C2408-1H
-600
-800
PI6C2408-1,2,3,4,6
-900
-1000
Output Load Difference: FB_IN Load - OUTA/OUTB Load (pF)
The relationship between loading of the FB_IN signal and other outputs determines the input-output delay. Zero delay is achieved when
all outputs, including feedback, are loaded equally.
MaximumRatings
Supply Voltage to Ground Potential ............................................................................................................................. –0.5Vto+7.0V
DCInputVoltage(ExceptCLKIN) ........................................................................................................................ –0.5VtoV +0.5V
DD
DCInputVoltageCLKIN ......................................................................................................................................................–0.5to7V
Storage Temperature................................................................................................................................................... –65ºCto+150ºC
MaximumSolderingTemperature(10seconds)........................................................................................................................... 260ºC
Junction Temperature .................................................................................................................................................................. 150ºC
StaticDischargeVoltage(perMIL-STD-883,Method3015) .................................................................................................... >2000V
PS8589E
09/15/04
3
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
