HD151TS305RP

Rev.9.00 Jul. 07, 2004 page 2 of 9

Pin Arrangement

(Top view)

8

SEL1

1

7

CLKOUT

6

SEL0

5

XOUT

SSCCLKOUT

2

VDD

3

GND

4

XIN

SSC Function Table

SEL1 :0

Spread Percentage

0 0

±0.5%

0 1

±1.5%

1 0

SSC OFF

1 1

±0.25%

Note:

±0.25% SSC is selected for default by internal pull-up resistors.

Clock Frequency Table

XIN(MHz)

SSCCLKOUT(MHz)

CLKOUT(MHz)

15

60

*1

15

*2

40

160

*1

40

*2

Notes: 1. With spread spectrum modulation.

2. Without spread spectrum modulation.

Pin Descriptions

Pin name

No.

Type

Description

GND

3

Ground

GND pin

VDD

2

Power

Power supplies pin. Normally 3.3 V.

CLKOUT

7

Output

Normally 3.3 V reference clock output.

SSCCLKOUT

1

Output

Spread spectrum modulated clock output.

XIN

4

Input

Oscillator input.

XOUT

5

Output

Oscillator output.

SEL0

6

Input

SSC mode select pin. LVCMOS level input.

Pull-up by internal resistor (100 k

Ω).

SEL1

8

Input

SSC mode select pin. LVCMOS level input.

Pull–up by internal resistor (100 k

Ω).