BU2190F Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BU2190F

Clock generator for PD

ROHM Semiconductor 

Multimedia ICs

•Pin descriptions

Pin No. Pin name

1

CLK2

2

GND

3

XTALI

4

XTALO

5

BCLK

6

CLK1

7

VDD

8

OE

Function

Clock output 2 (f2 = 40.2192MHz)

Ground

Reference oscillation input

Reference oscillation output

Reference oscillation buffer output (fBCLK = 16.9344MHz)

Clock output 1 (f1 = 59.2704MHz)

VDD

Output enable

OE = H BCLK, CLK1, CLK2, enable

OE = L BCLK, CLK1, disable, CLK2, enable

•Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Applied voltage

VDD

– 0.5 ~ + 7.0

V

Input voltage

VIN

– 0.5 ~ VDD + 0.5

V

Storage temperature

Tstg

– 30 ~ + 125

°C

Power dissipation

PD

450

∗ Does not represent guaranteed performance

∗ Reduced by 4.5mW for increase in Ta of 1°C over 25°C.

᭺ Not designed for radiation resistance.

mW

•Recommended operating conditions (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Power supply voltage

VDD

4.5 ~ 5.5

V

Input high level voltage

VIH

0.8 × VDD ~ VDD

V

Input low level voltage

VIL

0.0 ~ 0.2 × VDD

V

Operating temperature

Topr

– 5 ~ + 70

°C

Output load

CL

15 (Max.)

pF

BU2190F

Circuit

B

—

C

C

B

B

—

A

2

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