8312AYILF datasheet(1/18 Pages) IDT

Part #	8312AYILF

Description	Low Skew, 1-to-12 LVCMOS/LVTTL Fanout Buffer

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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1

December 14, 2015

General Description

The 8312I is a low skew, 1-to-12 LVCMOS/ LVTTL Fanout Buffer

and a member of the family of High Performance Clock Solutions

from IDT. The 8312I single-ended clock input accepts LVCMOS or

LVTTL input levels. The low impedance LVCMOS outputs are

designed to drive 50

 series or parallel terminated transmission

lines. The effective fanout can be increased from 12 to 24 by

utilizing the ability of the outputs to drive two series terminated

lines.

The 8312I is characterized at full 3.3V, 2.5V, and 1.8V, mixed

3.3V/2.5V, 3.3V/1.8V and 2.5V/1.8V output operating supply

modes. Guaranteed output and part-to-part skew characteristics

along with the 1.8V output capabilities makes the 8312I ideal for

high performance, single ended applications that also require a

limited output voltage.

Features

• Twelve LVCMOS/LVTTL outputs

• CLK input supports the following input types: LVCMOS, LVTTL

• Maximum output frequency: 250MHz

• Output skew: 160ps (maximum)

• Supply modes:

Core/Output

3.3V/3.3V

3.3V/2.5V

3.3V/1.8V

2.5V/2.5V

2.5V/1.8V

1.8V/1.8V

• -40°C to 85°C ambient operating temperature

• Available in lead-free (RoHS 6) package

8312I

32-Lead LQFP

7mm x 7mm x 1.4mm package body

Y Package

Top View

9

10 11 12 13 14 15 16

32 31 30

29 28

27 26 25

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

GND

VDD

CLK_EN

CLK

GND

OE

VDD

GND

Q4

VDDO

Q5

GND

Q6

VDDO

Q7

GND

Pin Assignment

D

LE

Q

Q[0:11]

CLK_EN

OE

CLK

Pullup

Pulldown

Pullup

12

Block Diagram

8312I

Datasheet

Low Skew, 1-to-12 LVCMOS/LVTTL

Fanout Buffer

Similar Part No. - 8312AYILF

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Renesas Technology Corp	8312AYILFT	493Kb / 19P	Low Skew, 1-to-12 LVCMOS/LVTTL Fanout Buffer December 14, 2015

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