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ICS81006I

VCXO-TO-LVCMOS OUTPUTS

Integrated Device Technology 

ICS81006I

VCXO-TO-6 LVCMOS OUTPUTS

TABLE 1. PIN DESCRIPTIONS

Number

Name

Type

Description

1, 2

XTAL_IN,

XTAL_OUT

Input

Crystal oscillator interface. XTAL_IN is the input.

XTAL_OUT is the output.

3

VDD

Power

4

VC

Input

Core supply pin.

Control voltage input.

5

DIV_SEL_Q5

Input

Pulldown

Output divider select pin for Q5 output. When LOW, ÷1. When HIGH,

÷2, LVCMOS/LVTTL interface levels.

6

OE1

Input

Pullup

Output enable pin. When HIGH, Q5 output is enabled.

When LOW, forces Q5 to HiZ state. LVCMOS/LVTTL interface levels.

7, 11, 15, 19

GND

Power

Power supply ground.

8, 10, 12,

14, 16, 18

Q5, Q4, Q3,

Q2, Q1, Q0

Output

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

15Ω typical output impedance.

9, 13, 17

20

VDDO

OE0

Power

Input

Pullup

Output supply pins.

Output enable pin. When HIGH, Q0:Q4 outputs are enabled. When

LOW, forces Q0:Q4 to HiZ state. LVCMOS/LVTTL interface levels.

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

TABLE 2. PIN CHARACTERISTICS

Symbol

CIN

Parameter

Input Capacitance OE0, OE1

CPD

Power Dissipation Capacitance

R

PULLUP

RPULLDOWN

Input Pullup Resistor

Input Pulldown Resistor

ROUT

Output Impedance

Test Conditions

VDD = VDDO = 3.465V

VDD = 3.465V or 2.625V,

VDDO = 2.625V

VDD = 3.465V or 2.625V,

VDDO = 2V

VDDO = 3.3V

VDDO = 2.5V

VDDO = 1.8V

Minimum

Typical

4

Maximum

3

Units

pF

pF

4

pF

6

pF

51

kΩ

51

kΩ

20

Ω

25

Ω

38

Ω

IDT™ / ICS™ VCXO-TO-LVCMOS OUTPUTS

2

ICS81006AKI REV A OCTOBER 2, 2006

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