ics9248-73 ETC-unknow, ics9248-73 Datasheet - Page 11

• Manufacturer Part Number: ics9248-73
• Description: Frequency Timing Generator Pentium Systems
• Manufacturer: ETC-unknow

T
Guaranteed by design, not 100% tested in production.
Group Skews at common Transition Edges
CL = 20 pF for CPU and IOAPIC
CL = 50 pF for PCI0 & PCI1, CL = 30 pF for other PCIs, SDRAM and 3V66
A
CPU to SDRAM
= 0 - 70º C; Supply Voltage V
IOAPIC to PCI
CPU to 3V66
3V66 to PCI
GROUP
t
SYMBOL
t
CP U-SDRAM
t
IOAP IC-P CI
t
CP U-3V66
3V66-P CI
DD
= 3.3 V +/-5%, V
V
SDRAM leads CPU by 2.5ns for CPU66
CPU leads SDRAM by 5.0ns for CPU100
V
CPU leads 3V66 by 7.5ns for CPU66
CPU leads 3V66 by 0.0ns for CPU100
VT = 1.5 V; V
V
T
T
T
= 1.5 V; V
= 1.5 V; V
= 1.5 V
Group Offset Waveforms
TL
TL
TL
DDL
= 1.25 V
= 1.25 V
CONDITIONS
= 1.25 V
= 2.5 V +/-5% (unless otherwise stated)
MIN
1.5
0
0
0
TYP
100
100
360
2.5
ICS9248-73
MAX
500
500
500
4
UNITS
ps
ps
ps
ns