Philips Semiconductors Product data
PCK2023
CK408 (66/100/133/200 MHz) spread
spectrum differential system clock generator
2003 Jul 31
8
AC CHARACTERISTICS
V
DD3
= 3.3 V -5%; f
crystal
= 14.31818 MHz
3V66 66 MHz TIMING REQUIREMENTS
SYMBOL PARAMETER
LIMITS
T
amb
= 0 to +70 °C
UNIT NOTES
SYMBOL PARAMETER
MIN MAX
UNIT NOTES
T
PERIOD
period 15.0 15.3 ns 8, 13
t
HIGH
HIGH time 4.95 N/A ns 9
t
LOW
LOW time 4.55 N/A ns 10
t
RISE
rise time 0.5 2.0 ns 12
t
FALL
fall time 0.5 2.0 ns 12
t
JITTER
cycle-to-cycle jitter — 250 ps
Edge rate rising edge rate 1.0 4.0 V/ns 12
Edge rate falling edge rate 1.0 4.0 V/ns 12
t
SKEW
pin-to-pin skew 3V66 [1:0] 0.0 250 ps
t
SKEW
pin-to-pin skew 3V66 [5:2] 0.0 250 ps
t
SKEW
pin-to-pin skew 3V66 [5:0] 0.0 450 ps
66 MHz BUFFERED TIMING REQUIREMENTS
SYMBOL PARAMETER
LIMITS
T
amb
= 0 to +70 °C
UNITS NOTES
SYMBOL PARAMETER
MIN MAX
UNITS NOTES
t
RISE
rise time 0.5 2.0 ns 12
t
FALL
fall time 0.5 2.0 ns 12
t
PD
propagation delay from 66In to 66BUFF [2:0] 2.5 4.5 ns
Edge rate rising edge rate 1.0 4.0 V/ns 12
Edge rate falling edge rate 1.0 4.0 V/ns 12
t
SKEW
66 MHz buffered pin-to-pin skew 0.0 175 ps
PCIF/PCI AC TIMING REQUIREMENTS
SYMBOL PARAMETER
LIMITS
T
amb
= 0 to +70 °C
UNITS NOTESSYMBOL PARAMETER
MIN MAX
UNITS NOTES
T
PERIOD
period 30.0 N/A ns 8, 13
t
HIGH
HIGH time 12.0 N/A ns 9
t
LOW
LOW time 12.0 N/A ns 10
t
RISE
rise time 0.5 2.0 ns 12
t
FALL
fall time 0.5 2.0 ns 12
t
JITTER
cycle-to-cycle jitter — — ps
Edge rate rising edge rate 1.0 4.0 V/ns 12
Edge rate falling edge rate 1.0 4.0 V/ns 12
t
SKEW
pin-to-pin skew 0.0 500 ps
t
PCI
3V66 [5:0] leads 33 MHz PCI 1.5 3.5 ns