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ICS842S104 Datasheet, PDF (2/21 Pages) Integrated Device Technology – Crystal-to-HSTL 100MHz / 200MHz PCI Express™ Clock Synthesizer
ICS842S104 Data Sheet
CRYSTAL-TO- HSTL 100MHZ / 200MHZ PCI EXPRESS™ CLOCK SYNTHESIZER
Table 1. Pin Descriptions
Number
1, 2
3, 9,
11, 13, 16
4, 22
5, 6
7, 8
10, 17
12, 15
14
18, 19
20
21
23, 24
Name
SRCT3, SRCC3
VSS
VDDO
SRCT2, SRCC2
SRCT1, SRCC1
VDD
nc
VDDA
XTAL_IN, XTAL_OUT
SCLK
SDATA
SRCT4, SRCC4
Type
Output
Description
Differential output pair. HSTL interface levels.
Power
Power supply ground.
Power
Output
Output
Power
Unused
Power
Input
Input
I/O
Output
Pullup
Pullup
Output power supply pins.
Differential output pair. HSTL interface levels.
Differential output pair. HSTL interface levels.
Core supply pins.
No connect.
Analog supply for PLL.
Crystal oscillator interface. XTAL_IN is the input. XTAL_OUT is the output.
I2C compatible SCLK. This pin has an internal pullup resistor.
LVCMOS/LVTTL interface levels.
I2C compatible SDATA. This pin has an internal pullup resistor.
LVCMOS/LVTTL interface levels.
Differential output pair. HSTL interface levels.
NOTE: Pullup refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
CIN
RPULLUP
Parameter
Input Capacitance
Input Pullup Resistor
Test Conditions
Minimum
Typical
2
51
Maximum
Units
pF
kΩ
ICS842S104CG REVISION A MARCH 17, 2010
2
©2010 Integrated Device Technology, Inc.