MK1491-09F IDT, Integrated Device Technology Inc, MK1491-09F Datasheet - Page 2

• Manufacturer Part Number: MK1491-09F
• Description: IC CLK SRC AMD GEODE GX2 28-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Synthesizerr

Specifications of MK1491-09F

• Input: Crystal
• Output: LVCMOS
• Frequency - Max: 66MHz
• Voltage - Supply: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Frequency-max: 66MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Pin Assignment
PCI Frequency Select Table
EMI Control
Spread direction is DOWN.
IDT™ AMD GEODE™ GX2 CLOCK SOURCE
Spread#
MK1491-09
AMD GEODE™ GX2 CLOCK SOURCE
Sel66/33#
0
1
0
1
LCLK0/33M
LCLK1/33M
LCLK2/33M
Sel66/33#
48M/TS#
66MHz Clocks
PCI, LPC and
GND
GND
GND
VDD
VDD
VDD
48M
XO
XI
OFF
ON
PCI Frequency
1
2
3
4
5
6
7
8
9
10
11
12
13
14
33 MHz
66 MHz
Down Spread
amount
-0.5%
28
27
26
25
24
23
22
21
20
19
18
17
16
15
0
VDD
RefCLK0/Spread#
RefCLK1
VDD
PCICLK3/33-66M
PCICLK2/33-66M
GND
GND
PCICLK1/33-66M
VDD
PCICLK0/33-66M
PD#
66M
GND
2
CLOCK SYNTHESIZER
MK1491-09
REV M 051310