8V49NS0312 datasheet(4/57 Pages) IDT

Part #	8V49NS0312

Description	FemtoClock NG Clock Generator with 4 Dividers

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Manufacturer	IDT [Integrated Device Technology]

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September 2, 2016

8V49NS0312 Datasheet

Pin Description and Pin Characteristic Tables

Table 1: Pin Descriptionsa

Number

Name

Type

Description

1VCCOB

Power

Power Supply Voltage for Output Bank B (3.3V).

2

QB0

Output

Differential device clock output pair. LVPECL or LVDS with configurable amplitude.

3

nQB0

Output

4

QB1

Output

Differential device clock output pair. LVPECL or LVDS with configurable amplitude.

5

nQB1

Output

6

QB2

Output

Differential device clock output pair. LVPECL or LVDS with configurable amplitude.

7

nQB2

Output

8

QB3

Output

Differential device clock output pair. LVPECL or LVDS with configurable amplitude.

9

nQB3

Output

10

VCCOB

Power

Power Supply Voltage for Output Bank B (3.3V).

11

ND[0]

Input

Pullup /

Pulldown

Control Inputs for Output Bank D. 3-level signals. Refer to Table 12.

12

ND[1]

Input

Pullup /

Pulldown

Control Inputs for Output Bank D. 3-level signals. Refer to Table 12.

13

VCCOD

Power

Power Supply Voltage for Output Bank D (3.3V).

14

QD1

Output

Single-ended output clock. LVCMOS output levels.

15

QD0

Output

Differential device clock output pair. LVPECL or LVDS with configurable amplitude.

16

nQD0

Output

17

NB[0]

Input

Pullup /

Pulldown

Control Inputs for Output Bank B. 3-level signals. Refer to Table 10.

18

NB[1]

Input

Pullup /

Pulldown

Control Inputs for Output Bank B. 3-level signals. Refer to Table 10.

19

NC[0]

Input

Pullup /

Pulldown

Control Inputs for Output Bank C. 3-level signals. Refer to Table 11.

20

NC[1]

Input

Pullup /

Pulldown

Control Inputs for Output Bank C. 3-level signals. Refer to Table 11.

21

VCCA_IN1

Power

Analog Power Supply Voltage for PLL (3.3V).

22

NA[1]

Input

Pullup /

Pulldown

Control Inputs for Output Bank A. 3-level signals. Refer to Table 9.

23

CAPBIAS

Analog

Internal VCO bias decoupling capacitor. Use a 4.7µF capacitor between the

CAPBIAS terminal and VEE.

24

VCCA_IN2

Power

Analog Power Supply Voltage for VCO (3.3V).

25

CR

Analog

Internal VCO regulator decoupling capacitor. Use a 1µF capacitor between the CR

and the VCCA terminals.

26

CAPREG

Analog

Internal VCO regulator decoupling capacitor. Use a 4.7µF capacitor between the

CAPREG terminal and VEE.

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