CXA3010Q 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA3010Q

Read/Write Amplifier (with Built-in Filters) for FDDs

Sony Semiconductor 

CXA3010Q

Pin Description

Pin

No.

Symbol

Pin

voltage

1

POWER

ON

—

Equivalent circuit

VCC

100k

1

A.GND

VCC

Description

Reduced voltage detection output.

This is an open collector pin that outputs a

low signal when VCC is below the specified

value.

2 XWD

1k

—

2

2.3V

Write data input.

This pin is a Schmitt-type input that is

triggered when the logical voltage goes from

High to Low.

140

3 RD

—

4 XCI

—

5 XWG

—

6 XEG

7 XS1

8 OTF

—

4

100k

5

1k

6

—7

8

9

—

9 XHD

—

A.GND

VCC

Read data output.

3

This pin is active when the logical voltage of

the write gate signal and the erase gate

signal is High.

D.GND

Write current control. The write current

increases when the logical voltage is Low.

Write gate signal input. The write system

becomes active when the logical voltage is

Low.

Erase gate signal input. The erase system

VCC becomes active when the logical voltage is

Low.

2.1V

A.GND

Head side switching signal input. The

HEAD1 system is active when the logical

voltage is Low, and the HEAD0 system is

active when the logical voltage is High, but

only when the logical voltage for the write

gate and the erase gate is High.

Filter inner track/outer track mode control.

Inner track mode is selected when the

logical voltage is Low.

Filter, time domain filter and write current

1M/2M mode control. 2M mode is selected

when the logical voltage is Low.

–3–

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