ICS810001DK-21 REVISION B APRIL 13, 2010

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©2010 Integrated Device Technology, Inc.

ICS810001-21 Data Sheet

FEMTOCLOCK™ DUAL VCXO VIDEO PLL

Table 1. Pin Descriptions

NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.

Table 2. Pin Characteristics

Number

Name

Type

Description

1, 2

LF1, LF0

Analog

Input/Output

Loop filter connection node pins.

3

ISET

Analog

Input/Output

Charge pump current setting pin.

4, 11, 25

Power

Core supply pins.

5, 22

nBP0,

nBP1

Input

Pullup

PLL Bypass control pins. See block diagram.

6, 20, 29

GND

Power

Power supply ground.

7

CLK_SEL

Input

Pulldown

Input clock select. When HIGH selects CLK1. When LOW, selects CLK0.

LVCMOS / LVTTL interface levels.

8, 9

CLK1, CLK0

Input

Pulldown

Single-ended clock inputs. LVCMOS/LVTTL interface levels.

10, 14,

15, 16

V0, V1,

V2, V3

Input

Pulldown

VCXO PLL divider selection pins. LVCMOS/LVTTL interface levels.

12

MR

Input

Pulldown

Active HIGH Master Reset. When logic HIGH, the internal dividers are reset

causing the output to go low. When logic LOW, the internal dividers and the

output is enabled. LVCMOS/LVTTL interface levels.

13

MF

Input

Pulldown

FemtoClock multiplication factor select pin. LVCMOS/LVTTL interface levels.

17

Power

Analog supply pin.

18

Power

Output supply pin.

19

Q

Output

Single-ended VCXO PLL clock output. LVCMOS/LVTTL interface levels.

21

OE

Input

Pullup

Output enable. When logic LOW, the clock output is in high-impedance. When

logic HIGH, the output is enabled. LVCMOS/LVTTL interface levels.

23, 24

N1, N0

Input

Pulldown

FemtoClock output divide select pins. LVCMOS/LVTTL interface levels.

26

XTAL_SEL

Input

Pulldown

Crystal select. When HIGH, selects XTAL1. When LOW, selects XTAL0.

LVCMOS/LVTTL interface levels.

27,

28

XTAL_OUT1,

XTAL_IN1

Input

Crystal oscillator interface. XTAL_IN1 is the input. XTAL_OUT1 is the output.

30,

31

XTAL_OUT0,

XTAL_IN0

Input

Crystal oscillator interface. XTAL_IN0 is the input. XTAL_OUT0 is the output.

32

Power

Power supply pin for VCXO charge pump.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

Input Capacitance

4pF

Power Dissipation Capacitance

(per output)

8.5

pF

Input Pullup Resistor

51

k

Ω

51

k

Ω

Output Impedance

22.5

Ω