SAA7274T データシートの表示（PDF） - Philips Electronics

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SAA7274T

Audio Digital Input Circuit (ADIC)

Philips Electronics 

Philips Semiconductors

Audio Digital Input Circuit (ADIC)

PINNING

Power supply

VDD

positive supply voltage (5 V)

VSS

ground (0 V)

Inputs (CMOS protection)

IBIFA biphase input signal (min. 1 MHz;

max. 3.1 MHz)

IFDEN frequency detector enable

IPHEN phase-locked loop edge selector

ITEST1 test input enable

ITEST2 test input enable

IDACL data clock input signal (max. 5 MHz)

IWSEL word select input signal (max. 50 kHz)

IDOEN output enable

IOSCL clock oscillator input (min. 8 MHz;

max. 12.5 MHz)

Outputs (CMOS push-pull)

OCDB

OLOC

OREF

OPHA

OPRE

OSCU

OSDU

OSCL

OOSC

control data bits (max. 400 kHz)

out-of-lock signal

phase reference signal (max. 6.2 MHz)

phase output signal (max. 6.2 MHz)

pre-emphasis level

user clock/copy-bit signal (max. 3.1 MHz)

user data/pre-emphasis (max. 3.1 MHz)

system clock output (min. 8 MHz;

max. 12.5 MHz)

clock oscillator output (min. 8 MHz;

max. 12.5 MHz)

Outputs (3-state push-pull)

OBSY

OWSY

ODCL

OSDA

block synchronization output signal

(1/49152 system clock)

word clock output signal (1/256 system clock)

data clock output signal (1/4 system clock)

data output signal (max. 2.5 MHz)

Product specification

SAA7274

Fig.2 Pinning diagram.

July 1991

4

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