ics9248-126 Integrated Device Technology, ics9248-126 Datasheet - Page 2

• Manufacturer Part Number: ics9248-126
• Description: Motherboard Single Chip Clock Solution For Pentium Ii/iii And K6 Processos, Using Sis540/630 Style Chipset.
• Manufacturer: Integrated Device Technology

General Description
Pin Configuration
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ICS9248-126
1, 6, 15, 19, 27, 30,
41, 40, 38, 37, 35,
34, 32, 31, 29, 28,
PIN NUMBER
14, 13, 12, 11, 9
21, 20, 18, 17
3, 10, 16, 22,
33, 39, 44
43, 45, 46
36, 42
23
24
25
26
47
48
2
4
5
7
8
SDRAM (13:0)
CPUCLK (2:0)
PCICLK (6:2)
CPU2.5_3.3#
PIN NAME
VDDLCPU
24_48MHz
PCICLK0
PCICLK1
SDATA
48MHz
SCLK
REF0
REF1
VDD
GND
FS3
FS1
FS2
FS0
X1
X2
TYPE
PWR
PWR
PWR
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
I/O
IN
IN
IN
IN
IN
IN
IN
3.3V Power supply for SDRAM output buffers, PCI output buffers,
reference output buffers and 48MHz output
14.318 MHz reference clock.
Frequency select pin.
Ground pin for 3V outputs.
Crystal input,nominally 14.318MHz.
Crystal output, nominally 14.318MHz.
Frequency select pin.
PCI clock outputs.
Frequency select pin.
PCI clock outputs.
PCI clock outputs.
SDRAM clock outputs
Data pin for I
Clock input of I2C input, 5V tolerant input
Voltage select 2.5V when high - 3.3V when low
Clock output for super I/O/USB default is 24MHz
Frequency select pin.
48MHz output clock
CPU clock outputs.
Power pin for the CPUCLKs. 2.5V
14.318 MHz reference clock.
2
C circuitry 5V tolerant
Power Groups
DESCRIPTION