9UMS9001 Datasheet, PDF (1/15 Pages) Integrated Device Technology – PC MAIN CLOCK - CK540

PC MAIN CLOCK - CK540
Recommended Application:
Calistoga Based Ultra-Mobile PC (UMPC)
Output Features:
• 2 - CPU Low Power differential push-pull pairs
• 1 - ITP low power differential push-pull pair
• 4 - SRC low power differential push-pull pairs
• 1 - LCD100 SSCD low power differential
push-pull pair
• 1 - DOT96 low power differential push-pull
pair
• 3 - PCI, 33MHz
• 1 - USB, 48MHz
• 1 - REF, 14.31818MHz
Pin Configuration
9UMS9001
Features/Benefits:
• Supports Dothan ULV CPUs with 100 and
133 MHz CPU outputs
• Dedicated TEST/SEL and TEST/MODE pins
saves isolation resistors on pins
• PCI_SRC and CPU STOP inputs for power
manangment
• Fully integrated Vreg
• Integrated series resistors on differential
outputs
• Supports split rail operation for maximum
power savings
• Also runs from single 3.3V rail
• 1.05V-3.3V support for differential VDDIO
X2 1
X1 2
VDDREFIO_3.3 3
REF0 4
SDATA ⁵
SCLK ⁶
TEST_SEL 7
TEST_MODE 8
PCI_STOP# 9
VDDIO_PCI3.3 10
PCI0 11
PCI1 12
PCI_F2 13
GNDPCI 14
56 55 54 53 52 51 50 49 48 47 46 45 44 43
ICS9UMS9001
15 16 17 18 19 20 21 22 23 24 25 26 27 28
42 CLKREQ2#
41 CLKREQ3#
40 VDDCORE_3.3
39 SRC3T_LPRS
38 _{SRC3C_LPRS}
37 SRC2T_LPRS
36 SRC2C_LPRS
35 VDDIO_SRC
34 GNDSRC
33 SRC1T_LPRS
32 SRC1C_LPRS
31 SRC0T_LPRS
30 SRC0C_LPRS
29 CKLREQ0#
IDT^® PC MAIN CLOCK - CK540
56-pin MLF
1
1247B—07/19/10